nabi operator™s manual

NABI Operator’s Manual

San Francisco Municipal RailwaySan Francisco, CA

Bus Nos: 8001-8045Model: 416.12

0899 1

NABI OPERATOR’S MANUAL

Table of Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Bus Certification and Vehicle Identification (VIN) Nameplate,

Bus Weight Rating . . . . . . . . . . . . . . . . . . . . . . . . . . 5Gross Vehicle Weight Rating (GVWR) . . . . . . . . . . . . . . . 5Gross Axle Weight Rating (GAWR) . . . . . . . . . . . . . . . . . 5Passenger Loading . . . . . . . . . . . . . . . . . . . . . . . . . 5

General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 6Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Tires and Tire Traction . . . . . . . . . . . . . . . . . . . . . . . . . 7Emergency and Safety Features . . . . . . . . . . . . . . . . . . . . 8

Battery Disconnect Switches . . . . . . . . . . . . . . . . . . . . 8Back-Up Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Kneeling Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Wheelchair Lift Alarm . . . . . . . . . . . . . . . . . . . . . . . . 9Brake and Accelerator Interlocks . . . . . . . . . . . . . . . . . . 9Door Master Switch . . . . . . . . . . . . . . . . . . . . . . . . . 9Ventilation/Escape Hatches . . . . . . . . . . . . . . . . . . . . 10Side Window Emergency Escape . . . . . . . . . . . . . . . . . 11Passenger Door Release . . . . . . . . . . . . . . . . . . . . . 12Fire Suppression System . . . . . . . . . . . . . . . . . . . . . 13Safety Equipment . . . . . . . . . . . . . . . . . . . . . . . . . 14

Operator’s Compartment and Controls . . . . . . . . . . . . . . . . 15Operator’s Seat . . . . . . . . . . . . . . . . . . . . . . . . . . 16Operator’s Seat Belt . . . . . . . . . . . . . . . . . . . . . . . . 17Steering Column . . . . . . . . . . . . . . . . . . . . . . . . . . 18Pull Shades . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Operator’s Window . . . . . . . . . . . . . . . . . . . . . . . . 18Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Side Console Layout . . . . . . . . . . . . . . . . . . . . . . . . . 20Instrument Panel Layout . . . . . . . . . . . . . . . . . . . . . . . 21Side Console Switches and Controls . . . . . . . . . . . . . . . . . 22Instrument Panel Switches, Gauges and Controls . . . . . . . . . . 25Instrument Panel Indicator Lights . . . . . . . . . . . . . . . . . . . 27Floor Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Appendix BBid #: WP17000232

2 0899


Service Brake Operation . . . . . . . . . . . . . . . . . . . . . . . 31Air Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Anti-Lock Braking System (ABS) . . . . . . . . . . . . . . . . . 32

Parking Brake Operation . . . . . . . . . . . . . . . . . . . . . . . 33Emergency Parking Brake Release Valve. . . . . . . . . . . . . 33

Engine Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Engine Control Switches. . . . . . . . . . . . . . . . . . . . . . 34Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . . 35Stopping the Engine . . . . . . . . . . . . . . . . . . . . . . . . 35

Transmission Operation. . . . . . . . . . . . . . . . . . . . . . . . 37Range Selection . . . . . . . . . . . . . . . . . . . . . . . . . . 38Accelerator Control . . . . . . . . . . . . . . . . . . . . . . . . 38Retarder Operation . . . . . . . . . . . . . . . . . . . . . . . . 39Parking The Bus . . . . . . . . . . . . . . . . . . . . . . . . . . 39Check Transmission Indicator . . . . . . . . . . . . . . . . . . . 39

Door Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Door Controller . . . . . . . . . . . . . . . . . . . . . . . . . . 41Emergency Door Release . . . . . . . . . . . . . . . . . . . . . 42Front Door Operation . . . . . . . . . . . . . . . . . . . . . . . 42Rear Door Operation . . . . . . . . . . . . . . . . . . . . . . . 42Brake Interlock. . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Operator’s Heater and Defroster . . . . . . . . . . . . . . . . . . . 44Wheelchair Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Safety Precautions and Guidelines . . . . . . . . . . . . . . . . 45Daily Safety Check . . . . . . . . . . . . . . . . . . . . . . . . 45Wheelchair Lift Operation . . . . . . . . . . . . . . . . . . . . . 46Wheelchair Passenger Boarding . . . . . . . . . . . . . . . . . 46Wheelchair Passenger Unloading . . . . . . . . . . . . . . . . . 47Sensor Override switch (WC/L O’ride). . . . . . . . . . . . . . . 48

Destination Sign Equipment. . . . . . . . . . . . . . . . . . . . . . 49Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Operator Console Unit . . . . . . . . . . . . . . . . . . . . . . . 49

Passenger Stop Request System . . . . . . . . . . . . . . . . . . . 51Special Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Public Address System . . . . . . . . . . . . . . . . . . . . . . 52Stop Annunciator System . . . . . . . . . . . . . . . . . . . . . 52Surveillance Cameras . . . . . . . . . . . . . . . . . . . . . . . 52Bicycle Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Operator’s Pre-Trip Inspection . . . . . . . . . . . . . . . . . . . . 53Exterior Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 53Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Walk-Around Check . . . . . . . . . . . . . . . . . . . . . . . . 54Before Driving Off . . . . . . . . . . . . . . . . . . . . . . . . . 54

National Highway Traffic Safety Administration . . . . . . . . . . . . 55


Introduction

The NABI Model 416.12 is a heavy-duty bus designed specifically for use

in inner-city mass transit service. It is powered by a six-cylinder diesel

engine equipped with a five-speed automatic transmission.

Seating is provided for 38 passengers. The bus is also equipped with a

wheelchair lift and provisions to secure two wheelchair passengers.

This manual has been prepared to familiarize you, the operator, with the

operation of the bus and to provide important safety information. All

controls, gauges and switches used to operate the bus and its various

systems are covered in this manual.

This manual does not attempt to teach driving skills or rules of the road –

these aspects of operation must be mastered before operating the bus.

0899 3


NABI Bus Model 416.12


Knowledge of all operating features of these buses and the practicing of

recommended procedures will add to your skill as an operator, as well as

providing greater passenger safety and comfort.

Some items contained in this manual may not be your direct responsibility,

depending on the operating procedures of your transit authority.

Regardless of responsibility, you as an operator should be fully aware of all

the information to acquaint yourself with all the safety procedures and

guidelines that will help maintain safe and efficient vehicle operation.

All information, illustrations and specifications contained in this manual are

based on the latest product information available at time of publication.

North American Bus Industries, Inc. reserves the right to make changes at

any time without notice.

4 0899



Bus Certification and Vehicle Identification (VIN)Nameplate, Bus Weight Rating

The Vehicle Identification Number (VIN) nameplate is located on the face

of the dash panel near the entrance door. This nameplate certifies

compliance with all applicable Federal Motor Vehicle Safety Standards in

effect on the date the vehicle was manufactured. Included with the VIN is

the gross vehicle and axle weight ratings, tire size and inflation pressure,

and unit identification number.

GROSS VEHICLE WEIGHT RATING (GVWR)

GVWR applies to the loaded weight capacity of the vehicle. Do not load the

vehicle in excess of the GVWR.

GROSS AXLE WEIGHT RATING (GAWR)

GAWR applies to the load-carrying capacity of a single axle system as

measured at the tire-ground interfaces. Do not load any axle in excess of its

GAWR. The VIN nameplate shows the capacities of the front axle and rear

axle.

PASSENGER LOADING

This bus is designed to accommodate 38 seated passengers.

Accommodations are also provided for two wheelchair passengers.

Grabrails and stanchions are provided for any standing passengers.

Standing passengers should remain behind the yellow “standee line” at the

forward end of the aisle. Passenger loading should not exceed either the

GVWR or GAWR of the vehicle as indicated on the VIN nameplate. Actual

loads at the front and rear axle can only be determined by weighing the

bus. Consult your transit authority’s guidelines for the allowable number of

passengers.

0899 5



General Specifications

The following data includes general specifications affecting vehicle

operation and maneuverability:

DIMENSIONS

Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 ft.

Length (Including Bumpers) . . . . . . . . . . . . . . . . . . 40 ft. 6 in.

Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 in.

Width (with Mirrors) . . . . . . . . . . . . . . . . . . . . . . . . 126 in.

Height (Roof Line) . . . . . . . . . . . . . . . . . . . . . . . . . 119 in.

Wheelbase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264 in.

Front Overhang (axle centerline to face of bumper) . . . . . . . . 86 in.

Rear Overhang (axle centerline to face of bumper) . . . . . . . . 118 in.

Approach Angle . . . . . . . . . . . . . . . . . . . . . . . . 9 degrees

Departure Angle . . . . . . . . . . . . . . . . . . . . . . . . 9 degrees

Turning Radius (outside). . . . . . . . . . . . . . . . . . . . . . . 43 ft.

6 0899



Tires and Tire Traction

The original equipment tires shown on the VIN nameplate are selected to

provide the best overall tire performance under normal operating

conditions. When inflated to specified pressures, they have the capacity to

operate satisfactorily at all loads up to and including the full rated load.

The size, load rating and inflation pressure restrict the speeds at which the

bus can safely be operated. It is important to avoid over-inflating as well as

under-inflating. Cold inflation pressure must never exceed the amount

specified on the VIN nameplate.

CAUTION: A tire that is running while significantly under-inflated will

overheat, possibly resulting in a fire that may seriously damage the

vehicle.

TIRE TRACTION

A decrease in driving, cornering, and braking traction occurs when water,

snow, ice, gravel, or other material is on the road surface. Driving practices

and bus speed should be adjusted to the road conditions.

When driving on wet or slushy roads, it is possible for a wedge of water to

build up between the tire and road surface. This condition, known as

hydroplaning, may cause partial or complete loss of traction, which

adversely affects bus control and stopping ability. To reduce the possibility

of traction loss, the following precautions should be observed:

1. Reduce speed during rainstorms or when roads are slushy.

2. Reduce speed if road has standing water or puddles.

3. Maintain proper tire inflation.

0899 7



Emergency and Safety Features

This bus is provided with several important features which are designed to

assure the safety of the operator and the passengers, as well as vehicles

and pedestrians in the vicinity of the bus. The operator should know how

these features work and should notify the dispatcher immediately, when it

is recognized that they are not operating properly.

BATTERY DISCONNECT SWITCHES

Two battery disconnect switches are mounted behind an access door in

the battery compartment, which is located midway on the roadside skirt

panels. These switches are used to disconnect the batteries from the

electrical system, such as in case of a fire or an accident. To operate the

switches, open the compartment door and place both switches in the “off”

position. To restore battery power, place both switch handles in the “on”

position.

8 0899


12 VOLT

24 VOLT

Battery Disconnect Switches


BACK-UP ALARM

An audible beeper at the rear of the bus sounds whenever the transmission

is in reverse. The purpose of this alarm is to alert pedestrians and motorists

in the immediate area that the bus will be moving backward.

KNEELING ALARM

An audible beeper at the front of the bus sounds and a warning light near

the entrance door flashes whenever the kneeling system is activated. This

alarm alerts persons in the immediate vicinity that the front of the bus is

lowering.

WHEELCHAIR LIFT ALARM

An audible beeper at the front of the bus sounds and a warning light near

the entrance door flashes while the wheelchair lift is being deployed. These

alarms warn persons in the vicinity of the lift to remain clear of the

deployment zone.

BRAKE AND ACCELERATOR INTERLOCKS

Partial air pressure is applied to the rear axle service brakes and the

accelerator is disabled during the following conditions:

• Front or Rear Door Unlocked or Open

• Front or Rear Door Emergency Release

• Wheelchair Lift Operation

• Kneeling System Operation

• Fast Idle Operation

DOOR MASTER SWITCH

A door master switch is located inside the operator’s compartment door,

behind the operator’s seat. In case of a door system malfunction, placing

this switch in the “off” position will remove power from the door circuit

(closing both doors if open) and disable the brake interlock system. This

action will allow the bus to be moved from traffic or driven out-of-service to

a maintenance facility for repairs.

CAUTION: Under no condition should the bus be moved, except to a

point of safety, with the door master switch in the “Off” position.

0899 9



VENTILATION/ESCAPE HATCHES

Combination ventilation and escape hatches are mounted in the roof at the

front and rear of bus. These hatches may be opened for ventilation by

pushing on either side or on the front and rear of the panel. To close the

ventilator, grasp the panel using the handles provided and pull down firmly

to the closed position.

In an emergency, if the bus is on its side, the hatches may be opened for

emergency escape. To open the escape hatch, push the black emergency

release tab in the direction indicated by the arrow on the release lever, then

push the hatch up and open. For passenger use, an instruction decal is

located on the hatch panel.

10 0899


Ventilation/Escape Hatches


SIDE WINDOW EMERGENCY ESCAPE

In an emergency, side windows equipped with red release handles can be

opened from the inside for escape. These windows are hinged at the top

and retained in the closed position by a latching mechanism.

The window is opened by pulling down the red handle and pushing out the

window at the bottom. Passenger instruction decals are located next to the

release handles.

NOTE: Whenever it is noted that a side window is open, the window must

be closed immediately. To close the window, pull window inward and push

the release handle up to lock the window in the closed position. Do not

slam window closed as this may damage the window and latching

mechanism.

0899 11


Side Window Emergency Escape


PASSENGER DOOR RELEASE

Each passenger door is equipped with an emergency release feature to

manually open the doors if the operator’s door control system is not

functional. Release handles are located behind clear plastic break-out

panels above each door header. If a malfunction occurs in either door

system, the plastic panel can be broken by hand pressure to access the

release.

The front door release uses a valve lever that is rotated clockwise to

exhaust air pressure from the door. The rear door uses a mechanical pull

handle for release and opening of the door.

12 0899


Door Emergency Release


Both release features must be returned to their original positions before

normal door operation is resumed.

FIRE SUPPRESSION SYSTEM

This bus is equipped with an automatic fire suppression system for the

engine compartment. If a fire is detected in the protected area, the system

releases a dry chemical agent into the compartment.

A control panel for monitoring the system is located above the forward end

of the operator’s window. System status is shown by a pair of LED’s. When

the green “SYSTEM OK” LED is illuminated, the system is normal and is

being continuously monitored by the controller. If a fire or high heat

condition is detected, the red “FIRE” LED illuminates, accompanied by an

alarm buzzer. The chemical agent will then be released into the affected

area to extinguish the fire. The buzzer may be silenced by pressing the

“Push to Silence” button on the control panel. When this button is pressed,

a small “Silence Engaged” LED beside the button illuminates, indicating

that the system is in the fire alarm warning mode, and the buzzer is not

operating.

Activation of the red “FIRE” LED will also trigger an engine shutdown in 0 to

30 seconds. Pressing the “Shutdown Reset” button before the “Relay

Engaged” LED illuminates will reset the timer and allow additional running

time. When the timer reaches “zero” the “Relay Engaged” LED will remain

0899 13


Fire Suppression System Control Panel


“on”. After the system has been activated, the red “FIRE” LED and alarm

buzzer will remain on until system maintenance is performed.

Emergency Actuator

If the system fails to detect a fire in the protected areas due to a system

fault, the system can be operated manually using the fire suppression

emergency actuator on the side console. To operate the system manually,

pull out the safety ring pin to break the plastic lock-wire seal, and press the

red “FIRE” button. This action will manually discharge the fire extinguishing

system.

The system control panel is also provided with an internal back-up battery.

In the event of a vehicle power failure (dead or disconnected vehicle

batteries), the back-up battery provides power to operate the fire

suppression system automatically for up to 24 hours. The red “Service

System” LED is illuminated when the system is operating on battery

back-up power.

SAFETY EQUIPMENT

A fire extinguisher and safety triangle kit is located behind the operator’s

seat. Consult your transit authority’s guidelines and procedures for further

information on use of this equipment.

14 0899



Operator’s Compartment and Controls

All facilities pertaining to the actual operation and handling of the bus, such

as controls and instruments, are located within the operator’s

compartment. The driving controls are located in such a manner as to be

readily accessible to the hands and feet of the operator.

0899 15


Operator’s Compartment

1. Side Console

2. Pull Shade

3. Transmission Selector

4. Fire Suppression Control Panel

5. Destination Sign Control Panel

6. Instrument Panel

7. Heater/Defroster Control Panel

8. Floor Control Switches


OPERATOR’S SEAT

(USSC Model 9100 ALX)

The operator’s seat can be adjusted for height, fore and aft position, and

tilt. The suspension and lumbar systems operate pneumatically. Operating

features and adjustments are shown in the illustration below.

16 0899


Operator’s Seat


OPERATOR’S SEAT BELT

To reduce the chance of injury and/or

the amount of injury in accidents or

sudden stops, the operator should be

properly restrained at all times, using

the seat belt provided.

Adjust the seat to a comfortable driving

position and sit erect and back in the

seat.

Grasp the buckle end and the flat metal

“eye” end of the lap belt and insert the

metal tab into the open end of buckle

until a “snap” is heard.

Be sure to pull the retractor half of the

belt out to a solid stop before adjusting

to a snug fit, to make sure the belt webbing is completely unwound from the

retractor.

Position belt across lap as LOW ON HIPS as possible. To reduce the risk of

sliding under belt, adjust to a SNUG FIT by pulling on the end of the belt

extending from the latch plate or buckle.

WARNING:

A snug fit with the seat belt positioned low on the hips is

necessary to help lessen the chance of injury and/or the amount

of injury in an accident. This spreads the force exerted by the

seat belt in a collision over the strong hipbone structure rather

than across the soft abdominal area. Never use the same belt for

more than one person at a time; do not wear the belt without fully

extending the webbing from the retractor; do not wear belt in a

twisted position or allow belt or hardware to become damaged by

being pinched between the seat structural members.

0899 17


Operator’s Seat Belt


STEERING COLUMN

The steering column can be set in a

choice of six tilting positions through

a range of 42 degrees. The steering

wheel can be raised or lowered on

the column through a two-inch

range. A side mounted control lever

provides adjustment for both tilt and

telescoping features. The horn

button is located in the center of the

steering wheel.

To move the column from one

position to another, pull up and hold

the control lever until the new

column position is reached. Release

the lever to lock the column in place.

To adjust the steering wheel

position, push down on the control

lever and raise or lower the wheel to

desired position. Release the lever

to lock the steering wheel in

position.

WARNING:

To reduce the possibility of personal injury or loss of vehicle

control, make certain the steering column is securely locked in

position before driving. Do not attempt to adjust the steering

column while the bus is moving.

PULL SHADES

Pull shades are located above the windshield and the operator’s window.

Grasp the tab at the center of the shade and pull down. To raise the shade,

pull the release rod at the left side of the shade.

OPERATOR’S WINDOW

The operator’s window has a forward sliding section that can be opened as

desired for signaling and ventilation. The forward sliding section also

provides access for adjustment of the street side exterior mirror. This

18 0899


HORN BUTTON

TILT/TELESCOPERELEASE HANDLE

Steering Column Adjustments


section is opened or closed by using the handle to move it forward or

backward.

MIRRORS

Interior Mounted

Four adjustable mirrors provide full vision of the bus interior while in the

normal seated position. Mirror type and locations are as follows:

• Front mounted rectangular rear view mirror

• Rectangular mirror at front door

• Round relay mirror above windshield

• Round mirror at rear door

Exterior Mounted

Combination main and convex mirrors are provided on the bus exterior.

The left side mirrors are positioned for the operator’s view of street side

traffic. The curbside mirrors are mounted on the right windshield post and

will display the curbside to the rear wheel area.

Both main and convex mirrors are manually adjusted.

NOTE: Both mirror arms can be retracted or “folded” to prevent mirror

damage during bus washing operations. Make certain mirror arms are

extended prior to mirror adjustment.

0899 19



Side Console Layout

20 0899


FRONTDOOR

OPEN

EM

ER

GE

NC

YD

OO

RR

EL

EA

SE

CL

OS

ED

OP

EN

ENGINE

START

REAR

DOOR

ENABLE

D

FR

ON

TD

OO

RO

PE

N

RE

AR

EN

AB

LE

D

BO

TH

DO

OR

S

OP

EN

1

2

3

4

5

6

7

8

10

9

PUSH

AN

DH

O

LD

EM

ER

GE

NC

YP

AR

KIN

GB

RA

KE

RE

LE

AS

E

FIR

E

EX

ITD

OO

R

OP

EN

NO

RM

AL

PU

LL

TO

AP

PLY

PU

SH

TO

RE

LE

AS

E

PA

RK

ING

BR

AK

E

1. Door Controller, pg. 24

2. Engine Start Pushbutton, pg. 24

3. Emergency Door Release, pg. 24

4. Master Run Switch, pg. 24

5. Emergency Parking Brake Release,

pg. 23

6. Park Brake Control Valve, pg. 24

7. Emergency Alarm Button, pg. 23

8. Switch Panel, pp. 22-24

9. Fire Suppression Emergency

Actuator, pg. 22

10. Exit Door Override Switch, pg. 22


Instrument Panel Layout

0899 21


1. Wiper Delay Control Switch . . . . . . . . . . . . . . Pg. 25

2. Windshield Washer Control Switch . . . . . . . . . . Pg. 25

3. Windshield Wiper Control Switches . . . . . . . . . . Pg. 25

4. Dual Air Pressure Gauge . . . . . . . . . . . . . . . Pg. 25

5. Instrument Panel Indicator Lights . . . . . . . . . Pp. 27-29

6. Speedometer . . . . . . . . . . . . . . . . . . . . . Pg. 25

7. Wheelchair Lift Controls . . . . . . . . . . . . . . . . Pg. 26

8. Fuel Gauge. . . . . . . . . . . . . . . . . . . . . . . Pg. 26

9. Dash Lights Dimmer Control . . . . . . . . . . . . . . Pg. 25

STOPREQ

LOWAIR

PARKBRAKE

HIGHBEAM

EXITDOOR

HATCHOPEN

SERVICEBRAKE

HOTHYDR

ABSFAULT

NOTSTOWED

KNEEL

FIRE

A/CFAIL

GENSTOP

STOPENG/

TRANS

FIRESYSTEMDISCHRG

W/CSTOP

1 2 3 4 5 6

789

0 150

120

9060

30

WASHER

WASH

PUSH

LEFT

RIGHT

WIPER

OFF ON

WIPER

OFF ON

FUEL

0 1/1

1/2DASH LIGHTS

DELAY WIPERS

INT

ERMITTEN

T

--L

O- OFF - H

I--

WIPER

0

10

20

3040

50

60

70

80

STOW LOWER

RAISE

STOW W/CL O'RIDE NOT STOWEDW/CL PWRPOWER

LIFT CONTROLS

Instrument Panel Layout


Side Console Switches and Controls

EXIT DOOR OVERRIDE SWITCH - This switch provides direct control of

rear door opening and closing with the door controller. With this switch in

the “Open” position, the rear door opens and remains open when the door

controller is placed in the “Rear Door Unlocked” position. In the “Normal”

position, the rear door is unlocked by operation of the door controller and

the passenger step treadle switch is operational.

FIRE SUPPRESSION EMERGENCY ACTUATOR – This protected switch

is used for manual activation of the fire suppression system. Refer to “Fire

Suppression System,” page 13, for additional information on use of this

feature.

SPEAKER SELECTOR – This three-position switch allows the operator to

select interior, exterior, or both speaker systems for PA system

announcements.

ENGINE DIAGNOSTIC TEST SWITCH – This switch is for use by

maintenance personnel when performing diagnostics of the engine

electronic control system.

With the switch held in the “Test” position, any active diagnostic codes in

the engine electronic control system will be displayed by the “Check

Engine” indicator light.

ABS TEST SWITCH – This switch is for use by maintenance personnel

when performing diagnostics of the anti-lock braking system.

DRIVER’S LIGHT SWITCH – This switch controls the on/off operation of

the operator’s compartment overhead lighting.

HILL HOLDER SWITCH– This momentary-on switch is used to prevent

bus rollback when accelerating from a standstill on a grade. When held in

the “on” position, the brake interlock system applies air pressure to the rear

brakes. The accelerator remains operable in this condition.

KNEELING SWITCH – This guarded switch is used to lower the front of the

bus. To operate the kneeling feature, open the front door. Moving this

switch to the “Down” position will then lower the front of the bus. To return

the bus to normal height, move the switch to the “Normal” position. The

“O’Ride” position is used for raising the front suspension approximately

three inches above normal ride height. When the switch is released, it will

return to the “Normal” position and the bus will return to the normal ride

height.

22 0899



HAZARD LIGHTS SWITCH – This switch activates all turn indicators

simultaneously. This warning system provides additional safety during

emergency parking. The right and left turn signal arrows on the instrument

panel will flash when the “Hazard Lights” switch is “on”.

FAST IDLE SWITCH – The “Fast Idle” switch provides increased engine

rpm for faster air pressure build-up and improved heating operation at idle.

To operate the fast idle, place the transmission in Neutral (N) position,

apply the parking brake and place the switch in the “On” position.

DIAGNOSTIC LIGHTS TEST SWITCH – This momentary-on switch is

used to test the instrument panel indicator lights and audible alarm. Any

indicators that fail to illuminate with switch held in the “test” position should

be noted and reported to maintenance personnel.

HEATING AND VENTILATION SWITCH – This switch controls operation

of the heating and ventilation system. When “HEAT” is selected, the

heating system is enabled, and will operate according to temperature

conditions. When “VENT” is selected, the system blowers operate without

heating for circulation of air.

VENT LOW/HIGH SWITCH – This two-position switch is used to select the

speed of the ventilation system blowers.

INTERIOR LIGHTS SWITCH – This three-position switch controls

operation of the interior fluorescent lights. Switch positions are “Normal,”

“Off” and “Cleaners”. When the “Master” switch is in “Night” position and

the “Interior Lights” switch is in “Normal”, the interior lights will be on. The

forward interior lights only illuminate when the front door is opened.

If it is desired to have the lights off while operating in “Night” position, switch

the “Interior Lights” switch to “Off.” Placing this switch in the “Cleaners”

position will illuminate all the fluorescent lights, regardless of the “Master”

switch position.

EMERGENCY ALARM BUTTON – The emergency alarm system is

activated by pressing and releasing this switch. The destination signs will

display an emergency message and the radio system will send a distress

signal. Know your transit authority’s emergency message activation

policies and procedures before activating this system.

EMERGENCY PARKING BRAKE RELEASE VALVE – Use and operation

of this valve is given under “Parking Brake Operation”, page 33.

0899 23



PARKING BRAKE CONTROL VALVE – This push-pull control valve is

used to apply and release the parking brake. Refer to “Parking Brake

Operation”, page 33, for additional information.

MASTER RUN SWITCH – The “Master Run” switch controls operation of

the bus electrical system. Four circuit positions, “Off”, “Day”, “Night”, and

“Park are indicated on the control knob. Selected circuits become

energized when the control knob indicators are rotated into alignment with

the marker on the console. The four positions and circuits they energize

are listed below:

OFF – No circuits are energized except the following, which are always

energized or operational if the battery disconnect switch is “on”:

› Stop and directional light controls

› Hazard Lights

› Horn

› Fare Box and Radio

› Fire Suppression System

DAY – All circuits are enabled, with the exception of and running lights.

NIGHT – All circuits are enabled, including the headlights, running

lights, gauge and panel lighting, and step lighting. If the “Interior Lights”

switch is in the “Normal” position, the interior lights will be “on”.

PARK – All circuits that remain energized in the “Off” position, plus the

running lights, gauge and panel lighting, and step lights.

ENGINE START PUSHBUTTON – The “Engine Start” pushbutton is a

“momentary-on” type switch. This switch must be pushed and held to

engage the starter. Refer to “Engine Operation”, page 34, for additional

information.

EMERGENCY DOOR RELEASE – This two-position valve controls the air

supply to the front door operation equipment. Refer to “Door Operation”,

page 41, for additional information.

DOOR CONTROLLER – This four-position handle is used to open and

close the front door and enable the rear door. Refer to “Door Operation”,

page 41, for additional information.

24 0899



Instrument Panel Switches, Gauges and Controls

WIPER DELAY CONTROL – This rotary switch controls the rate at which

the wipers cycle. The windshield wipers must be “on” for this feature to

operate.

WINDSHIELD WASHER CONTROL – The windshield washer system is

air operated and activated by a separate control knob. Push and hold the

control knob for the duration of desired fluid spray. The system is designed

to purge the lines, before and after the spray cycle to eliminate the

possibility of frozen or clogged lines and nozzles.

NOTE: In cold weather, operate the defroster to warm the windshield

before using the washers. This will reduce the possibility of icing that may

obscure vision.

WINDSHIELD WIPER CONTROL SWITCHES – The windshield wiper

system is air-operated. The left and right hand wipers are controlled by

individual control valves. To operate the wipers, turn the left or right control

valve knob toward the “on” position to the degree of blade speed desired.

To stop the wipers, turn the knob to the “off” position.

NOTE: Do not operate the wipers if the blades are frozen to the windshield.

Damage to the blades, wiper arms or motors could result.

DASH LIGHTS DIMMER CONTROL – This rotary switch is used to control

the brightness of the instrument panel lighting and gauges. Rotating the

control knob clockwise intensifies the lighting, while rotation

counterclockwise reduces the illumination.

DUAL AIR PRESSURE GAUGE - A dual needle air gauge indicates

pressure in both front and rear service brake reservoirs. The white needle

indicates rear system pressure and the red needle indicates front system

pressure. A loss of air pressure in either system is indicated by pointer

deflection. The “Low Air” indicator and audible alarm are activated at

pressures less than 80 psi.

SPEEDOMETER – The speedometer indicates bus speed in miles per

hour and kilometers per hour. A built-in electronic odometer with LCD

readout indicates total vehicle miles or trip distance. The mileage displayed

is selected by operating the button at the bottom of the dial face.

To display either total mileage or trip distance, press the button. If the total

mileage has been showing on the LCD readout, it will change to trip

0899 25



distance when the button is pressed. If the trip distance has been showing,

the display will change to reveal total mileage.

To reset the trip mileage, press and hold the button for about two seconds.

The odometer will reset to 0.0 miles.

NOTE: Pressing and holding the button will reset trip to zero regardless of

which display is currently showing on the LCD readout.

FUEL GAUGE – The fuel gauge indicates the quantity of diesel fuel in the

fuel tank.

LIFT CONTROL SWITCHES – The five control switches are used for

wheelchair lift operation. Refer to “Wheelchair Lift”, page 45, for complete

wheelchair lift operating procedures.

26 0899



Instrument Panel Indicator Lights

The instrument panel indicator lights provide the operator important

information about the operation of the bus. In addition to being marked with

the function, each is color-coded red, green, yellow or blue. Red lights

indicate potentially serious problems, as well as normal conditions, which

the operator should be aware of.

LEFT/RIGHT TURN ARROWS (Green) – When a foot-operated

turn signal switch is depressed, the appropriate arrow flashes.

Both arrows will flash when the “Hazard Lights” switch is

activated.

ABS FAULT (Yellow) – This lamp illuminates at start-up when the

anti-lock braking system is performing a self-test, or when a

malfunction has been detected in the system.

HIGH BEAM (Blue) – This light is activated by the dimmer switch

and indicates the high beam headlights are in use.

LOW AIR (Red) - Whenever air system pressure drops below 80

psi, this indicator will be illuminated and the audible alarm will

sound. It is normal for the light to be on at start-up until system

pressure is above 80 psi. If the “Low Air” warning activates during

bus operation, have the system checked immediately to

determine cause.

STOP ENGINE (Red) – Illumination of this light will occur if a

potential damaging condition is detected in the engine. The

audible alarm is activated and the engine will shut down in 30

seconds.

CHECK ENGINE (Yellow) – Illumination of this light indicates the

engine electronic control system has detected a fault which is not

immediately damaging to the engine. The bus can still be

operated, but the condition should be reported to maintenance

personnel.

EXIT DOOR (Red) – This light indicates the rear door is unlocked

or open. The “Brake” indicator will also be illuminated indicating

the brake interlock is applied. If the “Exit Door” indicator remains

“on” when door is closed, report the condition to maintenance

personnel.

0899 27


ABSFAULT

HIGHBEAM

LOWAIR

STOPENG

CHECKENG

EXITDOOR


STOP REQUEST (Yellow) – This light illuminates when a

passenger operates a passenger signal switch. This circuit is

reset when either door is opened.

KNEEL (Red) – This lamp illuminates when the kneeling feature

is activated. An audible alarm sounds while the bus is lowering or

raising.

STOP (Red) – Illumination of this light indicates the alternator is

not charging. If this condition occurs during normal operation, the

bus should be driven only as far as necessary to reach a point of

safety.

PARK BRAKE (Red) – This light is on when the parking brake is

applied.

WHEELCHAIR STOP REQUEST (Red) – This light illuminates

when a stop request signal made by a passenger in the mobility

device securement area. The signal chime will also be activated.

CHECK TRANSMISSION (Yellow) – Illumination of this light

indicates the transmission electronic control system has

detected a problem. The shift selector digital display will flash

and may not respond to shift selector requests. Report this

condition to maintenance personnel as soon as possible.

REAR RUN (Yellow) – Illumination of this light indicates that the

engine compartment control switches have been positioned for

starting the engine at the rear. Check that the “Engine Run”

switch at the rear is in the “Front Run” position.

SENSITIVE EDGE (Red)– This light will illuminate and an alarm

will sound if a person or object is not allowing the rear door to

close properly.

RETARDER (Red) – This light will illuminate when the

transmission retarder is activated by the brake pedal.

SERVICE BRAKE (Yellow) - This light is on when service brakes

are applied by the operator’s foot pedal or brake interlock

system.

28 0899


STOPREQ

KNEEL

ALTNRSTOP

PARKBRAKE

W/CSTOP

CHECKTRANS

REARRUN

SENSEDGE

RTDR

BRAKE


HOT TRANSMISSION (Red) – This light illuminates if an

overheat condition occurs in the transmission. The audible alarm

will be activated and engine shut down will occur in 30 seconds.

0899 29


HOTTRANS


Floor Controls

The directional signals, high beam headlights, and PA system are

operated by foot switches at the left of the steering column. The function

and operation of the switches is as follows:

DIRECTIONAL SIGNALS – The directional signals are operated using two

foot-operated switches. The left switch controls operation of the left-hand

signal lights and the right switch controls operation of the right signal lights.

When either switch is pushed down and held, the corresponding front, rear,

and side directional signal lights are designed to flash. Releasing the

switch causes the light to stop flashing. Visual indication that the lights are

operating is provided by the corresponding “arrow” indicator on the

instrument panel.

HEADLIGHT HIGH-BEAM SWITCH – The high or low headlight beam is

selected by pressing the high beam switch. Each time the switch is pressed

and released, the headlight beam will change from high-to-low or

low-to-high. Visual indication of high beam is provided by the instrument

panel “High Beam” indicator.

PA SYSTEM SWITCH – The public address system is controlled by this

foot-operated switch. Each time the switch is pressed and released, the

microphone and amplifier is switched from off-to-on or on-to-off.

30 0899


LEFT TURN

RIGHT TURNHIGH BEAM

PA CONTROL

Floor Controls


Service Brake Operation

This bus is equipped with air-operated service brakes. Brakes are applied

by pressing the brake pedal, located on the floor to the left of the

accelerator. Varying degrees of brake application are obtained by varying

the distance the brake pedal is depressed.

Best braking is obtained by making the initial brake application gradually to

the extent of braking required, then reducing pressure gradually as speed

is reduced. This allows only slight pressure to remain in the brake

chambers at end of stop.

Do not “fan” the brake pedal. “Fanning” or quickly pressing and releasing

the pedal over and over, causes poor brake performance, wastes air

pressure, and causes excessive wear on brake components.

When the brake pedal is depressed, the rear-mounted stoplights will be on.

The instrument panel “Brake” indicator will also be illuminated.

WARNING:

Driving through water deep enough to wet brake components

may affect brake system performance, so that bus will not slow

down at the usual rate, and may pull to the right or left. Applying

the air brakes lightly will indicate if this has happened. To dry

them quickly, lightly apply the brakes while maintaining a safe

forward speed with an assured clear distance ahead and to the

sides until brake performance returns to normal.

AIR PRESSURE

Air pressure is important for the safe operation of the bus. Besides the

brake and air suspension system, other systems of the bus depend upon

air pressure for their operation.

Compressed air is supplied by the engine driven air compressor, which is

designed to maintain system pressure between 110 and 130 psi. The dual

needle air gauge registers pressure in the front and rear axle service brake

systems. At start-up, if system air pressure is below 80 psi, the “Low Air”

indicator and audible alarm will be on. Air pressure must be at least 90 psi

before the brakes can develop their full effectiveness. Also, the door

operating equipment and other air-operated devices will not work properly

with air pressure below 85 psi.

0899 31



If during operation, the “Low Air” indicator comes on and the alarm sounds,

stop the bus as quickly as possible and find the cause of air loss before

proceeding.

ANTI-LOCK BRAKING SYSTEM (ABS)

This vehicle is equipped with an anti-lock braking system (ABS) that

monitors and controls wheel speed during braking. If a wheel lockup is

detected during a brake application, this system regulates air pressure to

the affected wheel or wheels to prevent lockup. This action will result in

shorter stopping distances, improved steering control to avoid obstacles,

and greater stability on uneven traction surfaces.

In the event of a system malfunction, the ABS in the affected wheel(s) is

disabled, and reverts to normal braking. The instrument panel “ABS Fault”

indicator will illuminate to warn of this condition.

NOTE: The transmission retarder feature is automatically disabled when

the ABS is activated.

32 0899



Parking Brake Operation

The parking brake is an air-released, spring

applied system designed to prevent movement

of a parked vehicle. The parking brake control

valve is located on the operator’s side console.

To release the parking brake, push the control

valve in and hold for approximately one second.

To apply the parking brake, pull out on the

control valve knob. The instrument panel “Park

Brake” indicator will illuminate when the parking

brake is on.

The parking brake system is designed to automatically apply the parking

brake if front and rear service brake reservoir pressure falls below 40 psi.

When system air pressure is low, build air pressure to at least 80 psi or

more (as indicated by the dual air pressure gauge) before pushing the

valve knob in.

WARNING:

The parking brake should always be applied before leaving the

operator’s seat. This will prevent the bus from moving

unexpectedly, which could result in personal injury and/or

property damage.

EMERGENCY PARKING BRAKE RELEASE VALVE

If automatic parking brake application occurs

under hazardous circumstances, an emergency

release of the parking brake can be obtained

using the emergency release valve. Press and

hold the emergency release valve to move the

bus to a safe location. Release of pressure on

the knob instantly reapplies the parking brake.

CAUTION: Emergency release of the parking

brake is limited to the air supply of the

emergency reservoir.

0899 33


PULLTO APPLY

PUSH TORELEASE

PARKINGBRAKE

PU

SH AND HO

LD

EMERGENCYPARKING BRAKE

RELEASE


Engine Operation

Controls necessary to start and stop the engine from the operator’s

compartment are located on the side console. These controls include the

“Master Run” switch and the “Engine Start” pushbutton.

The instrument panel indicator lights include “Stop Eng” and “Check Eng”

warning lights. These indicators should be observed when starting and

operating the engine.

ENGINE CONTROL SWITCHES

Master Run Switch

This switch must be rotated to the “Day” position before attempting to start

and operate the engine. Rotating the switch to the “Off” position is

designed to stop the engine.

Engine Start Pushbutton

This is a “momentary-on” type switch. The switch must be pushed and held

in the “start” position to engage the starter. The switch is designed to return

to the “off” position when released.

Fast Idle

The “Fast Idle” switch provides increased engine rpm for faster air pressure

build-up and improved heating system operation at idle. To operate the fast

idle, place the transmission in Neutral (N) position, apply the parking brake

and place the switch in the “On” position.

CAUTION: Always make certain the transmission shift selector is in

Neutral (N) position and the parking brake is applied before placing

the “Fast Idle” switch in the “On” position. Always return the switch

to the “Off” position and release the parking brake before moving the

bus.

Engine Compartment Control Switches

Switches used for starting and stopping the engine at the rear of the bus

are mounted on the control panel inside the engine compartment. The

engine compartment door must be opened to access the switches.

34 0899



WARNING

Before attempting to start the engine from the rear, make certain

the transmission is in Neutral (N) position and the parking brake is

applied. Failure to do this could result in personal injury or

damage to property or equipment.

To start the engine from the rear, place the “Engine Run” switch in the

“Rear” position. Push and hold the “Engine Start” switch to engage the

starter. Release the switch as soon as the engine starts.

To stop the engine from the rear, move the “Engine Run” switch to the “Off”

position. After the engine has stopped, return the switch to the “Front”

position.

CAUTION: To prevent accidental starting during repairs in the engine

compartment, place the “Engine Run” switch in the “Off” position.

This disables the starter circuit and prevents accidental starting.

After work has been completed, return the “Engine Run” switch to the

“Front” position before closing the compartment door.

STARTING THE ENGINE

1. Make certain the parking brake is applied.

2. Rotate the “Master Run” switch to the “Day” position and verify that the

transmission is in neutral. The “Stop Engine” and “Check Engine”

indicators should illuminate and then go out after approximately five

seconds.

3. Push and hold the “Engine Start” pushbutton to engage the starter.

NOTE: If the engine fails to start within 15 seconds, release the starter

button and allow the starter to cool for 15 seconds before trying again. If the

engine fails to start after four attempts, an inspection should be made to

determine the cause.

4. After a cold engine has started, allow fast idle operation for

approximately five minutes.

STOPPING THE ENGINE

1. Bring the bus to a complete stop.

2. Place the transmission in Neutral (N) and apply the parking brake.

0899 35



3. Allow the engine to idle for approximately four to five minutes. This

allows the engine to cool and permits the turbocharger to slow down.

4. Rotate the “Master Run” switch to the “Off” position to stop the engine.

36 0899



Transmission Operation

This bus is equipped with an electronically controlled five-speed automatic

transmission. A brake pedal activated retarder provides hydrodynamic

braking through the transmission. Gear selection is controlled by the

pushbutton shift selector located at left of instrument panel. The selector

has range select buttons for Reverse (R), Neutral (N), and Drive (D).

Additional controls include (up) and (down) arrow buttons and a “Mode”

button. A digital display panel provides visual indication of normal and

abnormal conditions.

When a range select button is pressed, the digital display panel shows the

chosen operation, and the transmission will shift into the selected range. In

Drive (D), selection of a specific range can be accomplished by pressing

the ñ (up) or ò (down) arrow buttons. Conditions resulting in the

instrument panel “CheckTrans” light coming on may disable the pad and

prevent transmission operation.

The “Mode” button is used for diagnostics of the transmission. This feature

is not accessible for the operator.

0899 37


R

N

D

MODE

DIGITAL DISPLAY

UP/DOWN BUTTONS

Transmission Shift Selector


RANGE SELECTION

NEUTRAL (N) – Use Neutral when starting the engine, checking bus

accessories, and during extended periods of engine idle operation. The

transmission electronic control system is designed to select Neutral

automatically at engine start-up. Always apply the parking brake when

starting the engine, or when leaving the bus unattended with the engine

running.

WARNING:

If the engine starts in any range other than Neutral, report

condition to maintenance personnel immediately.

NOTE: Always apply the brake pedal before shifting from Neutral (N) to

Drive (D) or Reverse (R). These shifts are inhibited when the bus is moving

or engine speed is above idle.

REVERSE (R) – Select this range to back the bus. Completely stop the

vehicle before shifting from a forward range to Reverse or from Reverse to

a forward range. When the transmission is in reverse, a back-up alarm at

rear of bus provides an audible warning.

DRIVE (D) – Select this range for all normal driving conditions. As vehicle

speed increases, the transmission will automatically through each range.

As the vehicle slows, the transmission will downshift automatically.

ñ(UP)ò(DOWN) ARROW BUTTONS – The arrow buttons can be used to

select individual forward ranges of 5, 4, 3, 2, or 1. Occasionally, road

conditions, load, or traffic conditions will make it desirable to restrict

automatic shifting to a lower range. Lower ranges provide greater engine

braking for going down grades (the lower the range, the greater the braking

effect).

Push the up or down arrow to the desired range. The digital display panel

will indicate the range selected. If a lower range is selected while driving,

the transmission may not downshift until vehicle speed is reduced.

ACCELERATOR CONTROL

The position of the accelerator pedal influences the timing at which

automatic shifting occurs. When the pedal is fully depressed, upshifts will

occur automatically at higher engine speeds. A partially depressed position

of the pedal will cause the upshifts to occur at lower engine speeds.

38 0899



Upshifting will not occur if the load or slope prevents the bus from reaching

the required speed. In all cases, the transmission is designed to shift to the

highest gear chosen or to a gear that can handle the load.

RETARDER OPERATION

The retarder is a hydrodynamic brake that functions according to the gear

in use. Application of the retarder is recommended for lengthy grades or

when slowing from high speeds. This reduces wear on the air-operated

service brakes and in an emergency, the full braking affect of the service

brakes is available. The retarder is engaged automatically through the

brake pedal.

Retarder operation occurs as the brake pedal is depressed. Retarder

application begins before a complete service brake application is made.

Upon a full service brake application, both the retarder and the service

brakes are applied.

NOTE: The retarder is automatically disabled whenever the vehicle ABS

(Anti-Lock Brake System) is active.

PARKING THE BUS

There is no “Park” position on the shift selector. Always select Neutral (N)

and apply the parking brake before stopping the engine, or any time the

bus is running unattended.

WARNING:

To avoid personal injury and property damage, always place

transmission in Neutral (N) and apply the parking brake before

leaving the operator’s seat. This will prevent the bus from moving

if the accelerator pedal is accidentally pressed. Always select

Neutral (N) before stopping the engine and apply the parking

brake to prevent the bus from moving.

CHECK TRANSMISSION INDICATOR

The “Check Trans” light is located on the instrument panel and has two

functions:

1. It is used as a warning indicator to alert the operator that a potentially

serious problem has been detected, and the shift selection will be

impaired.

0899 39



2. Each time the engine is started, this light will illuminate, then turn-off

after a few seconds. This momentary lighting provides a lamp check

and a system check. Illumination of the light during vehicle operation

(other than start-up) is accompanied by an audible alarm, indicating

that shifting is being restricted.

CAUTION: If the “Check Trans” light remains illuminated, stop the

vehicle as soon as possible and report the condition to maintenance

personnel.

40 0899



Door Operation

The operator must have knowledge of the function and purpose of door

controls to safely and successfully operate the doors. The following

explanations describe the purpose and functions of individual controls.

DOOR CONTROLLER

Both front and rear doors are designed to be opened, closed or unlocked

(rear door only) by manually positioning the door controller handle, located

on the forward end of the side console. The five switch positions are

identified on the console panel as shown below:

0899 41


FR. DOOR OPEN

REAR UNLOCKED

FR.DOOROPEN

REARUNLOCKED

DOORSLOCKED

FR. DOOROPEN

R.DOO

RUNLO

CKED

Door Controller Handle and Positions


EMERGENCY DOOR RELEASE

The emergency door release is

located on the side console near

the door controller. This

two-position valve controls the air

supply to the front door operating

equipment. To operate the door

manually, move the valve handle to

the “open” position. The door

panels may then be pushed open or

closed manually. To restore normal

door operation, move valve handle

to the “closed” position.

NOTE: The emergency door release is accessible from outside of the bus

by opening the operator’s side window and reaching inside.

FRONT DOOR OPERATION

The front door is operator controlled by placing the door controller in the

“Front Door Open” position. When the door opens, the door header lights

will illuminate and the wheelchair lift will be operational. Placing the door

controller handle in the “Doors Locked” will close the front door.

REAR DOOR OPERATION

The rear, or exit door is an electrically unlocked, air open, spring close type

door. With the door controller in the “Rear Door Unlocked” position, the

green light above the rear door illuminates, the door header lights come on,

and the brake interlock circuit is activated. The instrument panel “Exit Door”

and “Brake” indicators will also be illuminated.

A passenger can then open the door by stepping on the step-mounted

treadle switch. The door will go to full open and then close. If a person or

object is not allowing the door to close properly, the door panel sensitive

edge system will cycle the door to full open and activate an alarm buzzer.

If the operator attempts to close the door while a passenger is exiting,

contact with the treadle switch or sensitive edges will cycle the door open

and the brake interlock will remain applied.

42 0899


EMERGENCYDOORRELEASE

CLOSED

OPEN

Emergency Door Release


WARNING

The rear door cannot be unlocked at bus speeds over 3 mph. To

prevent the possibility of injury to passengers, do not move the

door controller to any door open or enabled position while the

bus is moving. Opening or enabling the doors at a speed below 3

mph is designed to automatically apply the brake interlock,

which will cause the bus to stop abruptly.

BRAKE INTERLOCK

The brake interlock is used with the front and rear doors, kneeling, fast idle

and wheelchair lift systems. During use of these systems, partial air

pressure is applied to the rear axle service brakes. The “Brake” indicator

illuminates when the brake interlock is activated.

0899 43



Operator’s Heater and Defroster

The right-hand section of the instrument panel contains the following

controls for operation of the operator’s heater and defroster:

NOTE: The operator’s heater and defroster operates independently of the

bus main heating system.

TEMPERATURE CONTROL – This rotary control knob is used to regulate

the air temperature. Turning the knob to the right increases air

temperature, while turning to the left decreases the temperature.

HEATER/DEFROSTER CONTROL – Rotating this knob from left to right

adjusts the heater and defroster airflow between the operator’s floor area

and the windshield.

BLOWER SPEED SELECTOR SWITCH – This four-position rotary switch

is used to control the on/off function and blower speed.

44 0899


BLOWERS

OFF

LOW MED

HI

DRIVER'S HEATER/DEFROSTER

HEAT

Operator’s Heater/Defroster Controls


Wheelchair Lift

INTRODUCTION

The wheelchair lift is designed to assist the mobility impaired when

entering and leaving the bus by providing a wheelchair lift at the front door.

Lift operation is controlled by five switches on the instrument panel.

Certain safety precautions, listed below, must be followed when using this

equipment. The operator should adhere to these precautions and

guidelines and have a thorough understanding of this information before

attempting to use this device.

SAFETY PRECAUTIONS AND GUIDELINES

The following safety precautions and operating guidelines must be

complied with at all times when operating the wheelchair ramp:

• Always operate the lift with bus parked on level ground. The

minimum safe clearance required for deployment is an area five feet

wide by six feet in length.

• Always apply the parking brake before using the lift.

• The transmission must be in Neutral (N).

• Inspect the lift prior to each use. Perform “Daily Safety Check,” as

indicated below, before operating bus in service.

• When using the lift, the occupant should always face inward during

loading and outward during unloading operations.

• Be certain the wheelchair fits safely on the platform and does not

extend over the edges.

• Do not place arms, legs, or clothing in or near moving parts. Keep

others clear while operating.

• Use extreme care in wet conditions. Wheelchair brakes are less

effective if the platform and/or wheelchair wheels are wet.

DAILY SAFETY CHECK

Inspect the wheelchair lift before each use and check that the following

conditions are met before operating:

• All functions operate properly. If unusual noises or movements exist,

report the condition to maintenance personnel.

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• Brake interlock is activated (“Brake” indicator “on”) when the lift is

deployed.

• No objects that may interfere with operation are present.

• General appearance is satisfactory with no evidence of loose

hardware.

WHEELCHAIR LIFT OPERATION

The wheelchair lift is controlled by a five switches located on the instrument

panel. This location will allow operation of the lift without the operator

leaving his/her seat.

The lift operating functions are described as follows:

LOWER - The platform extends/deploys out of the stepwell and lowers to

ground or curb level.

RAISE - The platform extends/deploys out of the stepwell and raises to

floor level.

STOW - The platform moves from the raised or lowered position and

retracts into the stepwell.

NOTE: An audible alarm and the “Not Stowed” indicator light, will be

activated during wheelchair ramp operation. An exterior light will also flash

to warn passengers or pedestrians waiting outside.

WHEELCHAIR PASSENGER BOARDING

1. Stop the bus and apply the parking brake. Place the transmission in (N)

“Neutral”.

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STOW LOWER

RAISE

STOW W/CL O'RIDE NOT STOWEDW/CL PWRPOWER

LIFT CONTROLS

Wheelchair Lift Control Switches


2. Place the door controller in the “Front Door Open” position.

3. Check that the lift deployment area is clear. Apply power to the lift using

the “W/CL PWR” (wheelchair lift power) switch. The “POWER” indicator

should illuminate when the power is applied. Hold the “RAISE/LOWER”

switch in the “LOWER” position until the lift is fully deployed and lowers

to ground or curb level.

4. Instruct passenger to enter the platform facing the bus. The mobility

device should be centered on the platform with the brakes applied. If a

non-wheelchair passenger is using the lift, direct them to stand in the

center of the platform and grasp the handrails while the lift is operating.

Use care when lifting taller standee passengers.

5. Hold the “RAISE/LOWER” switch in the “RAISE” position until the lift

reaches the floor level and forms a bridge to the aisle.

6. Instruct passenger to release the mobility device brake and proceed to

the securement area. Raise one of the fold-up seats at the front of the

bus, if not previously done, and verify that it is locked in the “up”

position. Secure the wheelchair with the restraints. Be sure to apply the

wheelchair brakes.

NOTE: Secure the wheelchair or other mobility device as shown on the

instruction placards, which are visible when the fold-up seats are raised.

7. To stow the platform, press and hold both “STOW” switches in the “ON”

position until the platform lowers and fully retracts to form the lower

step.

8. After the ramp is stowed, switch off the lift power and close the front

door. Apply the service brakes, release the parking brake, and place

the transmission in (D) “Drive”.

WHEELCHAIR PASSENGER UNLOADING

1. Stop the bus and apply the parking brake. Place the transmission in (N)

“Neutral”.

2. Place the door controller in the “Front Door Open” position.

3. Check that the lift deployment area is kept clear. Apply power to the lift

using the “W/CL PWR” (wheelchair lift power) switch. The “POWER”

indicator should illuminate when the power is applied. Hold the

“RAISE/LOWER” switch in the “RAISE” position until the lift reaches the

floor level and forms a bridge to the aisle.

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4. Disconnect and stow the wheelchair restraining belts and release the

mobility device brakes. Instruct the passenger to position the mobility

device facing outward in the center of the lift platform and lock the

brakes. If a non-wheelchair passenger is using the lift, direct them to

stand in the center of the platform and grasp the handrails while the lift

is operating.

5. Hold the “RAISE/LOWER” switch in the “LOWER” position until the lift

is fully deployed at the ground or curb level.

6. Instruct the passenger to release the mobility device brakes and exit

the platform.

7. To stow the platform, press and hold both “STOW” switches in the “ON”

position until the platform raises and fully retracts to form the lower

step.

8. After the ramp is stowed, switch off the lift power and close the front

door. Apply the service brakes, release the parking brake, and place

the transmission in (D) “Drive”.

WARNING

Care must be used when activating the following switch (W/CL

O’RIDE) to prevent injury of a wheelchair passenger or people in

the lift deployment area. Always verify that the lift platform is clear

of passengers or objects.

SENSOR OVERRIDE SWITCH (W/CL O’RIDE)

The wheelchair lift is equipped with sensor switches that prevent it from

raising or stowing if a passenger or object is in contact with the sensors. If

a malfunction occurs in the sensor system when the platform is

unoccupied, the platform may not raise or stow.

To stow or raise the platform during this type of malfunction, press and hold

the ”W/CL O’RIDE” switch along with both “STOW” switches. This should

only be done if the lift will not raise or stow normally, and only after the

operator has verified that the platform and lift area is clear.

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Destination Sign Equipment

DESCRIPTION

The destination sign equipment consists of front, two side signs and a rear

sign, with a front-mounted, curtain style run sign. This system is

electronically controlled using Light Emitting Diode (LED) display

elements. When the “Master Run” switch is in “Day”, “Night”, or “Park”

positions, the sign system is operable. When the “Master Run” switch is

rotated to the “Off” position, the sign equipment will go into an “auto-blank”

mode in which all of the dots are turned to their “black” or “off” condition.

Destination information is selected using the Operator Console Unit

(OCU), located on the sign compartment door above the windshield.

Destination codes are predefined by the transit authority and are made

available on an address code/destination listing.

In addition to normal destination listings, this sign system can also provide

a variety of Public Relations (P/R) messages. These include TRAINING

BUS, HAPPY HOLIDAYS, etc. This feature is normally used alternately

with the normal destination listing. The P/R code listing is pre-defined and

provided by the transit authority.

OPERATOR CONSOLE UNIT

The Operator Console Unit consists of a 28-key keypad, which is used to

select the destination information. The most commonly used keys are the

DEST A, DEST B, 0 – 9 keys, and the ENTER key. The rear of the unit

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Operator Console Unit


contains a beeper that “beeps” each time a key is pressed, which confirms

that it has been activated. The keypad keys and functions are as follows:

MENU – This is used as part of a sequence to upload information to the

sign system.

ROUTE – This is a seldom used key for systems in which a route number

may be manually selected by the operator for use in conjunction with the

destination information already present on the sign. In most systems, this

feature is not enabled.

P/R – This is used to enable public relations code entry. A P/R message

alternately “toggles” with the normal destination sign display. Setting the

P/R to “0” will eliminate this feature.

DEST A AND DEST B – These keys are always functional and are used to

set or change a destination display.

0 THROUGH 9 KEYS – These are used to select a given address in the

transit authority destination listing.

A THROUGH F KEYS – These keys are only used in a

hexadecimal-addressing scheme and are not used by the operator.

ARROW KEYS – These keys are only used by maintenance personnel

when uploading new data to the sign system.

ENTER – This is usually the last key to be pressed in any character

sequence for entering a destination code or changing a destination display

on the sign system.

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Passenger Stop Request System

The passenger stop request system consists of pull cords, touch tape

switches, a dual-tone signal chime, a next stop sign, and two instrument

panel indicator lights. Pull cords are routed along the side windows and are

accessible by both seated and standing passengers. Pressure-sensitive

touch tape switches are provided in the mobility device securement areas.

The signal chime is located in the operator’s compartment. A next stop sign

is located on the ceiling at the front of the bus and illuminates to provide

passengers with visual indication of a stop.

When a pull cord is actuated, the chime will sound once and the next stop

sign will illuminate. The instrument panel “STOP ” indicator will also light to

alert the operator of a stop request.

If a touch tape switch is used to activate the system, the chime will sound

twice and the instrument panel “W/C STOP” indicator will illuminate.

Whenever the passenger stop request has sounded, the system locks out

the pull cords from further chime activation. The indicator lights will remain

on until the door controller is moved to a door open position and then back

to a door closed position.

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Special Equipment

PUBLIC ADDRESS SYSTEM

Public address equipment includes eight ceiling-mounted speakers and

one external speaker, a speaker selector switch, and a boom microphone

mounted above the operator’s window. The public address system is

controlled by a foot-operated switch. Each time the switch is pressed and

released, the microphone and amplifier is switched from off-to-on or

on-to-off.

STOP ANNUNCIATOR SYSTEM

This bus is equipped with an automated voice annunciator system which,

when programmed for the operating locale, will provide stop

announcements through the bus public address system. Destination

announcements are activated each time the front door is operated. This

system can also provide public service announcements.

A control pad to select system functions is mounted near the instrument

panel. Consult your transit authority’s guidelines and procedures for

further information on operation of this system.

SURVEILLANCE CAMERAS

Four cameras and a recording device are installed for protection of

personnel, passengers and property. Consult your transit authority’s

guidelines for use of this feature.

BICYCLE RACK

This vehicle is equipped with a bicycle rack for the benefit of cycling

passengers and is designed to accommodate two bicycles. The carrier is

mounted to the front bumper of the bus and has two positions. In the stored

position, it folds up against the front of the bus. In the deployed position, it is

folded down to accept bicycles. Instructions for use are provided on the

assembly framework. All loading and unloading of bicycles can be done by

the bicycle rider.

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Operator’s Pre-Trip Inspection

To maintain the bus in the best operating condition in terms of safety,

convenience and service, the following checks and inspections should be

made daily. Any necessary repairs or adjustments should be reported to

maintenance personnel and corrected before the bus is driven.

EXTERIOR INSPECTION

1. Inspect body exterior, windows, doors and mirrors for damage.

2. Check exterior compartments for loose or unlatched cover panels.

3. Inspect tires for under-inflation and damage. Check to verify that all

wheel nuts are in place.

4. Enter operator’s compartment and check that parking brake is applied

and all control switches are “off”.

START-UP

1. Rotate the “Master Run” switch to the “Day” position and verify that the

transmission is in neutral. The “Stop Eng,” “Check Eng,” “Check Trans,”

and “ABS Fault” indicators should illuminate and then go out after

approximately five seconds.

2. Push and hold the “Engine Start” pushbutton to engage the starter.

Release the button immediately after the engine starts.

NOTE: If the engine fails to start within 15 seconds, release the starter

button and allow the starter to cool for 15 seconds before trying again. If the

engine fails to start after four attempts, report condition to maintenance

personnel.

3. After a cold engine has started, allow the engine to warm-up using the

“Fast Idle” switch for a period of approximately five minutes.

NOTE: If air system pressure is low, the “Low Air” indicator will illuminate

and the alarm buzzer will sound until system pressure is above 80 psi.

4. Press and hold the side console “Diag Lights” switch to test the

indicator lights and audible alarm for proper illumination.

5. Check all gauges for any abnormal conditions.

6. Position and adjust the operator’s seat and steering column.

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7. Check and adjust the inside and outside mirrors.

WALK-AROUND CHECK

1. Check to verify that all lighting is functional.

2. Inspect seats and floor for debris.

3. Check fold-up seat operation in the wheelchair securement areas.

Check condition and quantity of wheelchair securement belts.

4. Check that the doors, covers, windows and emergency equipment and

contents are in place.

5. Check to verify that emergency exits open, close, latch and seal

properly.

6. Check operation of the passenger signal system and rear door.

BEFORE DRIVING OFF

1. Close and secure all doors.

2. Check defroster and climate control system blowers, windshield wipers

and washers, and horn.

3. Fasten seat belt.

4. Check air pressure gauge needles for a minimum of 115 psi. Depress

and release brake pedal two or three times. Listen for a “hiss” of air from

the brake system as the pedal is released. If a hiss cannot be heard, air

pressure is not getting to the brakes. The bus should not be driven until

the condition is corrected.

5. Move the bus a short distance at low speed and turn the steering wheel

to ensure that the steering feels normal. Listen for unusual noises.

Check that the bus is under full control and is handling properly.

6. Check that the brakes will stop the bus and hold it. Check operation of

the brake interlock system by trying to move the bus with the rear door

open.

7. Refer to “Wheelchair Lift” operation and operate the lifts through a

complete cycle to check its operation.

NOTE: It is recommended that the above items be checked daily, as a

minimum, to keep passengers and operator safe. Other checks may be

required by your transit authority.

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National Highway Traffic Safety Administration

The National Highway Traffic Safety Administration has requested that the

following statement be provided for your information:

If you believe that your vehicle has a defect, which could cause a crash or

could cause injury or death, you should immediately inform the National

Highway Traffic Safety Administration (NHTSA) in addition to notifying

NORTH AMERICAN BUS INDUSTRIES, INC.

If NHTSA receives similar complaints, it may open an investigation, and if it

finds that a safety defect exists in a group of vehicles, it may order a recall

and remedy campaign. However, NHTSA cannot become involved in

individual problems between you or NORTH AMERICAN BUS

INDUSTRIES, INC.

To contact you may either call the Auto Safety Hotline toll-free at

1-800-424-9393 (or 366-0123 in Washington, DC area) or write to:

NHTSA, U.S. Department of Transportation, Washington, DC 20590. You

can also obtain other information about motor vehicle safety from the

Hotline.

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NORTH AMERICAN BUS INDUSTRIES, INC.

56 0899



nabi operator™s manual

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