series model em-90s (steel) model em-90p (plastic) · operations manual revision #2 (12/11/06) this...

OPERATIONS MANUAL

Revision #2 (12/11/06)

THIS MANUAL MUST ACCOMPANYTHE EQUIPMENT AT ALL TIMES.

SERIES

MODEL EM-90S (STEEL)MODEL EM-90P (PLASTIC)PLASTER AND MORTAR MIXER(GASOLINE ENGINE/ELECTRIC MOTOR)

— EM-90 PLASTER/MORTAR MIXER — OPERATION MANUAL — REV. #2 (12/11/06)

Engine exhaust and some ofits constituents, and some dust created

of California to cause cancer, birthdefects and other reproductive harm.

by power sanding, sawing, grinding,drillingandotherconstructionactivitiescontains chemicals known to the State

Some examples of these chemicals are:

Leadfromlead-basedpaints.Crystallinesilicafrombricks.Cementandothermasonryproducts.Arsenicandchromiumfromchemicallytreatedlumber.

Your risk from these exposures varies,dependingonhowoftenyoudothistypeof work. To reduce your exposure tothese chemicals: work in aALWAYSwell ventilated area, and work withapproved safety equipment, such asdust masks that are specially designedto filter out microscopic particles.

EM-90 PLASTER/MORTAR MIXER — OPERATION MANUAL — REV. #2 (12/11/06) — PAGE 3

NOTE PAGE


EM-90 PLASTER/MORTAR MIXER — TABLE OF CONTENTS

NOTESpecifications and aresubject to change withoutnotice.

MQ ESSICK —EM-90 SERIESPLASTER/MORTAR MIXERTable Of Contents ......................................................4Parts Ordering Procedures ........................................5Specifications .............................................................6Dimensions ................................................................7Safety Messages Alert Symbols ............................ 8-9Rules For Safe Operation .................................. 10-11Towing Guidelines ....................................................12Safety Chain Connection .........................................13Operation and Safey Decals ....................................14General Information .................................................15Major Components ..................................................16Basic Engine Components .......................................17Electric Motor ..................................................... 18-19Paddle Blade Adjustment (Steel Drum) ...................20Paddle Blade Adjustment (Poly Drum) .....................21Inspection ........................................................... 22-23Start-Up Procedures .......................................... 24-26Operation .................................................................26Shut-Down Procedures ............................................27Maintenance (Engine) ........................................ 28-29Maintenance (Mixer) .......................................... 30-34Troubleshooting (Engine) ................................... 35-36Troubleshooting (Mixer/Electric Motor) ....................37Electric Motor Wiring Diagram .................................38


PARTS ORDERING PROCEDURES

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Ordering parts has never been easier!Choose from three easy options:

WE ACCEPT ALL MAJOR CREDIT CARDS!

When ordering parts, please supply:❒❒❒❒❒ Dealer Account Number

❒❒❒❒❒ Dealer Name and Address

❒❒❒❒❒ Shipping Address (if different than billing address)

❒❒❒❒❒ Return Fax Number❒❒❒❒❒ Applicable Model Number

❒❒❒❒❒ Quantity, Part Number and Description of Each Part

❒❒❒❒❒ Specify Preferred Method of Shipment:✓ Fed Ex/UPS ✓ DHL

■ Priority One ✓ Truck■ Ground■ Next Day■ Second/Third Day

Unless otherwise indicated by customer, all orders are treated as Standard Orders and will shipwithin 24 hours. We will make every effort to ship Air Shipments the same day the order is received,if received prior to 2PM PST. Stock Orders must be noted on fax or web order form.

If you have an MQ Account, to obtain aUsername and Password, E-mail us at:[email protected].

To obtain an MQ Account, contact yourDistrict Sales Manager for more information.

Order via Internet (Dealers Only):Order parts on-line using Multiquip’s SmartEquip website!

■ View Parts Diagrams■ Order Parts■ Print Specification Information

Note: Discounts Are Subject To Change

Goto www.multiquip.com and click on

Order Parts to log in and save!

Use the internet and qualify for a 5% Discounton Standard orders for all orders which includecomplete part numbers.*

Order via Fax (Dealers Only):All customers are welcome to order parts via Fax.Domestic (US) Customers dial:1-800-6-PARTS-7 (800-672-7877)

Fax your order in and qualify for a 3% Discounton Standard orders for all orders which includecomplete part numbers.*

Order via Phone: Domestic (US) Dealers Call:1-800-427-1244

Best Deal!

International Customers should contacttheir local Multiquip Representatives forParts Ordering information.

Non-Dealer Customers:Contact your local Multiquip Dealer forparts or call 800-427-1244 for help inlocating a dealer near you.

Effective: June 1st, 2005

Note: Discounts Are Subject To Change

NOTE


EM-90 PLASTER/MORTAR MIXER — SPECIFICATIONS

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EM-90 PLASTER/MORTAR MIXER — DIMENSIONS

Figure 1. Dimensions

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This Owner's Manual has beendeveloped to provide completeinstructions for the safe and efficientoperation of the MQ EssickEM-90 mortar and plaster mixer.Refer to the engine manufacturers

instructions for data relative to its safe operation.

Before using this mixer, ensure that the operatingindividual has read and understands all instructions inthis manual.

Lethal Exhaust Gases

EM-90 PLASTER/MORTAR MIXER — SAFETY MESSAGE ALERT SYMBOLS

NOTE

HAZARD SYMBOLS

SAFETY MESSAGE ALERT SYMBOLS

The three (3) Safety Messages shown below will inform youabout potential hazards that could injure you or others. TheSafety Messages specifically address the level of exposureto the operator, and are preceded by one of three words:DANGER, WARNING, or CAUTION.

You WILL be KILLED or SERIOUSLY injured if you DONOT follow directions.

You CAN be KILLED or SERIOUSLY injured if you DONOT follow directions.

You CAN be INJURED if you DO NOT follow directions.

CAUTION

Potential hazards associated with the operation of an EM-90 Plaster/Mortar Mixer will be referenced with HazardSymbols which appear throughout this manual, and will bereferenced in conjunction with Safety Message AlertSymbols.

Engine exhaust gases containpoisonous carbon monoxide. This gasis colorless and odorless, and cancause death if inhaled. NEVER operatethis equipment in a confined area orenclosed structure that does not provide ample free flowair.

Gasoline is extremely flammable, andits vapors can cause an explosion ifignited. DO NOT start the engine nearspilled fuel or combustible fluids.

DO NOT fill the fuel tank while the engine is running orhot. DO NOT overfill tank, since spilled fuel could ignite ifit comes into contact with hot engine parts or sparks fromthe ignition system. Store fuel in approved containers, inwell-ventilated areas and away from sparks and flames.

Engine components can generate extremeheat. To prevent burns, DO NOT touchthese areas while the engine is running orimmediately after operations. Neveroperate the engine with heat shields or heatguards removed.

ALWAYS wear approved respiratoryprotection when required.

Safety precautions should be followedat all times when operating thisequipment. Failure to read andunderstand the Safety Messages andOperating Instructions could result ininjury to yourself and others.

FOR YOUR SAFETY AND THE SAFETY OF OTHERS!

DANGERDANGERDANGERDANGERDANGER

WARNINGWARNINGWARNINGWARNINGWARNING

CAUTIONCAUTIONCAUTIONCAUTIONCAUTION

Lethan Exhaust Gas HazardsWARNINGWARNINGWARNINGWARNINGWARNING

Explosive Fuel HazardsWARNINGWARNINGWARNINGWARNINGWARNING

Burn HazardsWARNINGWARNINGWARNINGWARNINGWARNING

Respiratory HazardsWARNINGWARNINGWARNINGWARNINGWARNING


EM-90 PLASTER/MORTAR MIXER — SAFETY MESSAGE ALERT SYMBOLS

Other important messages are provided throughout thismanual to help prevent damage to your light tower, otherproperty, or the surrounding environment.

ALWAYS place the power source, circuitbreakers or ON/OFF switch in the OFFposition, when the generator is not in use,unless connected to transfer switch.

ALWAYS wear approved eye andhearing protection.

NEVER operate equipment with covers,or guards removed. Keep fingers, hands,hair and clothing away from all movingparts to prevent injury.

Rotating Parts HazardsCAUTIONCAUTIONCAUTIONCAUTIONCAUTION

Accidental Starting HazardsCAUTIONCAUTIONCAUTIONCAUTIONCAUTION

Eye and Hearing HazardsCAUTIONCAUTIONCAUTIONCAUTIONCAUTION

Equipment DamageHazardsCAUTIONCAUTIONCAUTIONCAUTIONCAUTION


EM-90 PLASTER/MORTAR MIXER — RULES FOR SAFE OPERATION

The following safety guidelines should always be used whenoperating the EM-90 plaster and mortar mixer:

GENERAL SAFETY

■ DO NOT operate or service thisequipment before reading this entiremanual.

■ This equipment should not be operated by persons under18 years of age.

■ NEVER operate this equipment without proper protectiveclothing, shatterproof glasses, steel-toed boots and otherprotective devices required by the job.

■ High Temperatures – Allow theengine to cool before adding fuel orperforming service and maintenancefunctions. Contact with hot! components can causeserious burns.

■ The engine section of this mixer requires an adequatefree flow of cooling air. NEVER operate the mixer in anyenclosed or narrow area where free flow of the air isrestricted. If the air flow isrestricted it will cause seriousdamage to the mixer or engineand may cause injury topeople. Remember themixer's engine gives offDEADLY carbon monoxidegas.

■ ALWAYS refuel in a well-ventilated area, away fromsparks and open flames.

DANGERDANGERDANGERDANGERDANGERFailure to follow instructions in this manual may lead toserious injury or even death! This equipment is to beoperated by trained and qualified personnel only! Thisequipment is for industrial use only.

■ NEVER operate this equipment under the influence ofdrugs or alcohol.

NEVER! start the engine or engage the paddle arms whenthe drum is in the discharge (down) position.


Read this manual!

Starting the Mixer Engine

■ NEVER touch the hot exhaustmanifold, muffler or cylinder. Allowthese parts to cool before servicingengine or mixer.

■ ALWAYS wear proper respiratory (mask),hearing and eye protection equipment whenoperating the mixer.

■ NEVER place hands inside the drum while the blades arerotating.

■ Whenever necessary, replace nameplate, operation andsafety decals when they become difficult read.

■ Manufacture does not assume responsibility for anyaccident due to equipment modifications.

■ NEVER use accessories or attachments, which are notrecommended by Multiquip for this equipment. Damageto the equipment and/or injury to user may result.

■ NEVER operate this equipment when notfeeling well due to fatigue, llness or takingmedicine.

■ NEVER operate the mixer in an explosiveatmosphere or near combustiblematerials. An explosion or fire couldresult causing severe bodily harm oreven death.

■ Topping-off to filler port is dangerous, as it tends to spillfuel.

■ Stop the engine when leaving the mixer unattended.■ Block the unit when leaving or when using on a slope.■ Maintain this equipment in a safe operating condition at

all times.

■ ALWAYS use extreme caution whenworking with flammable liquids. Whenrefueling, stop the engine and allow it tocool. DO NOT smoke around or near themachine. Fire or explosion could resultfrom fuel vapors, or if fuel is spilled on ahot engine.


■ ALWAYS stop the engine before servicing, adding fueland oil.

■ NEVER run engine without air filter. Severe engine mayoccur.

■ ALWAYS service air cleaner frequently to preventcarburetor malfunction.

■ ALWAYS be sure the operator is familiar with proper safetyprecautions and operations techniques before using mixer.

■ ALWAYS store equipment properly when it is not beingused. Equipment should be stored in a clean, dry locationout of the reach of children.

■ DO NOT operate this equipment unless all guards andsafety devices are attached and in place.

■ CAUTION must be exercised while servicing thisequipment. Rotating and moving parts can cause injuryif contacted.

■ When towing, an adequate safety chain must be fastenedto the frame. See Towing Guidelines section in this manual.

■ Keep all inexperienced and unauthorized people awayfrom the equipment at all times.

■ Unauthorized equipment modifications will void allwarranties.

■ Check all fasteners periodically for tightness. Also checktowing tongue bolt, lock nut and wheel lug nuts for wear.

■ Stop the engine and disconnect the spark plug beforeallowing anybody’s hands in the mixing drum.

■ NEVER pour or spray water over the engine or electricmotor.

TRANSPORTING

■ ALWAYS shutdown engine before transporting.■ Tighten fuel tank cap securely and close fuel cock to

prevent fuel from spilling.■ Drain fuel when transporting mixer over long distances

or bad roads.

MAINTENANCE

■ NEVER lubricate components or attempt service on arunning mixer.

■ ALWAYS allow the mixer a proper amount of time tocool before servicing.

■ Keep the mixer in proper running condition.■ Fix damage to the mixer immediately and always replace

broken parts.■ Dispose of hazardous waste properly. Examples of

potentially hazardous waste are used motor oil, fuel andfuel filters.

■ DO NOT use food or plastic containers to dispose ofhazardous waste.

EMERGENCIES

■ ALWAYS know the location of the nearest fireextinguisher and first aid kit.

EM-90 PLASTER/MORTAR MIXER — RULES FOR SAFE OPERATION

■ In emergencies always know the location of thenearest phone or keep a phone on the job site.Also know the phone numbers of the nearestambulance, doctor and fire department. Thisinformation will be invaluable in the case of anemergency.

WARNINGWARNINGWARNINGWARNINGWARNINGAlways stand clear of the dump handle when the mixeris in operation. Any binding of material between the mixerblades and the drum will cause the drum handle to quicklymove and could cause bodily harm.

■ Depending on type of mixer, test the ON/OFF switch foreither the gasoline engine or electric motor before operating.The purpose of these switches is to shut down the engineor motor of the mixer.

■ Refer to the HONDA Engine Owner's Manual for enginetechnical questions or information recommended byMultiquip for this equipment. Damage to the equipmentand/or injury to user may result.

Stand Clear of theMixer when in use


EM-90 PLASTER/MORTAR MIXER — TOWING GUIDELINESTowing Safety Precautions

Tow Bar to Vehicle Connection (Coupler Only)

1. Check the vehicle hitch ball, and mixer's coupler forsigns of wear or damage. Replace any parts that areworn or damaged before towing.

To reduce the possibility of an accident while transportingthe mixer on public roads, always make sure that themixer towing components and the towing vehicle are ingood operating condition and both units are mechanicallysound.


If the mixer tow bar is deformed or damaged, replace theentire tow bar. NEVER tow the mixer with a defectivetow bar. There exists the possibility of the mixer separatingfrom the towing vehicle.


The following list of suggestions should be used when towingthe mixer:

■ Check with your county or state safety towing regulationsdepartment before towing your mixer.

■ Make sure that the hitch and coupling of the towing vehicleare rated equal to, or greater than the trailer "gross vehicleweight rating" (GVWR).

■ ALWAYS inspect the hitch and coupling for wear. NEVERtow the mixer with defective hitches, couplings, chainsetc.

■ CHECK the tire air pressure on both the towing vehicleand the trailer. Also check the tire tread wear on bothvehicles.

■ ALWAYS make sure the mixer is equipped with a "SafetyChain".

■ ALWAYS attach trailer's safety chain to the frame oftowing vehicle.

■ ALWAYS make sure that the towing vehicle's directional,backup, and brake lights are working properly.

■ Remember in most cases the maximum speed unlessotherwise posted for highway towing is 55 MPH, howeverbefore towing your mixer, check your local state, andcounty vehicle towing requirements. Recommended off-road towing is not to exceed 10 or 15 MPH or lessdepending on type of terrain.

■ Place chocked blocks underneath wheels to preventrolling, while parked, if disconnected from towingvehicle.

■ Inflate tires to correct pressure, inspect tires for cuts,and excessive wear. See Table 4 (Tire WearTroubleshooting).

■ When towing of the mixer is required, place the drum inthe up position (mouth facing upwards) and lock the drumlatch.

Regularly Inspect Towing Components

ReplacingTowing Components

2. Use only a 2-inch ball diameter (towing vehicle), this willmatch the mixer's 2-inch coupler. Use of any other balldiameter will create an extremely dangerous conditionwhich can result in separation of the coupler and ball orball failure.

3. After tow bar has been connected to mixer (see nextpage), attach mixer's coupler to the hitch ball on thetowing vehicle securely and make sure the lock lever isin the down position (locked).

Mixer Tow Bar Vehicle Connection (Pentle and Loop)

1. Make sure the bumper on the towing vehicle is equippedto handle either a pentle or loop type tow bar configuration.

2. After tow bar has been connected to mixer (see nextpage), secure either type of tow bar to the towing vehicle,following state and county towing regulations.

3. As a minimum, use a 1/2-inch bolt and nylock nut grade5 when securing the tow bar to the towing vehicle and tothe unit being towed.

■ ALWAYS make sure that the fuel valve lever is in theOFF position (gasoline models only).

■ Check wheel mounting lug nuts with a torque wrench.Torque wheel lug nuts as described in the maintenancesection of this manual.

■ Check tightness of U-clamp nuts, torque suspensionhardware as referenced in the maintenance section ofthis manual.

■ Avoid sudden stops and starts. This can cause skidding,or jackknifing. Smooth, gradual starts and stops willimprove gas milage.

■ Avoid sharp turns to prevent rolling.


EM-90 PLASTER/MORTAR MIXER — SAFETY CHAIN CONNECTION

Reference Figure 2 for the installation of the safety chain.

Tow Bar to Mixer Connection

1. Insert the tow bar through the round opening at the bottomof the mixer stand.

Align the hole on the tow bar with the hole on the mixerframe, and insert 1/2-inch bolt through tow bar and frame.Secure tow bar to frame with 1/2-inch nylock nut. Tightento 40 ft.-lbs.

2. Route the safety chain through the holes just above thetow bar, located on each side of the mixer stand.

Loop the chain together and place under the tow bar.Secure the loop with the connector link.

3. extend the safety chain along the length of the tow bar,looping it through the tow bar's connector link. Removeany excess chain slack.

4. Connect the free end of (connector link) the safety chainto the towing vehicle. Remember it is critical that thelength of the chain be properly adjusted, to prevent thedraw bar and the front of the mixer stand from droppingto the the ground (contact) in the event the draw barbecomes disconnected from the towing vehicle.

Figure 2 Tow Bar and Safety Chain Installation

Figure 3. Drum Latch Pin(Tow or Locked Position)

NEVER! tow the mixer with the safety chain removed.The safety chain is intended to prevent completeseparation of the mixer from the towing vehicle in theevent of a tow bar failure.


DO NOT tow the mixer unless the mixing drum iscompletely empty. ALWAYS make sure the drum latchpin is fully engaged to the right (Figure 3) of the drumstop block. This will keep the drum from rotating.


Always Tow witha Safety Chain

Drum Safteywhen Towing


EM-90 PLASTER/MORTAR MIXER — OPERATION AND SAFETY DECALSMachine Safety Decals

The MQ Essick EM-90 mortar and plaster mixer is equipped with a number of safety decals. These decals are provided foroperator safety and maintenance information. Figure 4 below illustrates these decals as they appear on the machine.Should any of these decals become unreadable, replacements can be obtained from your dealer.

Figure 4. Mixer Operation and Safety Decals


EM-90 PLASTER/MORTAR MIXER — GENERAL INFORMATIONApplication

The MQ Essick EM-90 series mixers (drum capacity of 9.0cu. ft./254.8 liters) are shipped completely assembled andhave been factory tested and are ready for use.

This mixer is only intended for the production of plasterand mortar. The mixer must be used for its intended purposeand is not suitable for the mixing of flammable or explosivesubstances. The mixer must not be used in an explosiveatmosphere. This mixer has a batch capacity between 2-1/2and 3-1/2 bags.

Power Plants

The EM-90 can be powered by a Honda GX240K1HA2 air-cooled, 4-stroke gasoline engine or a 3 HP 115/230V electricmotor. Refer to Table 2 for specific engine or electric motordata information.

Electrical

If mixer is equipped with an electric motor, make sure thatthe power being supplied to the motor corresponds to thevoltage rating label on the motor. Supplying the wrong voltageto the electric motor will cause severe electrical damage tothe motor.

Always make sure the OFF/ON switch on the electric motoris in the OFF position before applying power.

It is strongly recommended when inserting the mixer'spower cord into a receptacle, that a G.F.C.I. (Ground FaultCurrent Interrupter) receptacle be used (115 VACapplications).

Extension Cables

The extension cable should be a 3-wire configuration thatincludes a ground wire that conforms to UL code. The wirecross section must be a minimum of 2.5 mm2. Choose anextension cord of adequate current carrying capacity as ref-erenced in Table 5. Remember cable distance affects thecurrent-voltage capacity of the extension cable.

Ensure that the extension cable is carefully laid out avoid-ing wet areas, sharp edges and locations where vehiclesmight run over it. Avoid allowing the extension cable to betrapped underneath the mixer.

Unroll the extension cable fully or it will overheat and couldcatch fire. Make sure that all extension cable connectionsare dry and safe. Replace any defective or badly worn ex-tension cable immediately.

Hardware

Check all hardware on the mixer before starting. Periodicallyinspect all hardware. Loose hardware can contribute to earlycomponent failure and poor performance. Use Table 4 asgeneral guideline when torqueing of mixer hardware isrequired. Remember to keep all mixer hardware componentstight.

Engine Maintenance

For basic engine maintenance, refer to the enginemaintenance section in this manual. For a more detailedengine maintenance, refer to the Honda Engine Owner'smanual furnished with the engine.

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EM-90 PLASTER/MORTAR MIXER — MAJOR COMPONENTS

Figure 5. Mixer Components

1. Tires Ply -The tire ply (layers) number is rated in letters;This mixer uses 13-inch 4-ply tires.

2. Engine Cover -Lift this cover to gain access to theengine compartment.

3. Belt Slip Lever -When starting this lever should bemove upward and to the left. For mixing place the leverin the down position. See attached decal locatedadjacent to lever.

4. ON/OFF Switch (electric) -This switch is provided onmixers with electric motors. To gain access to this switch,lift the engine cover. When activated it will shut downthe electric motor.

5. ON/OFF Switch (gasoline) -This switch is providedon mixers with gasoline engines only and is locatedon the side of the engine cover. When activated it willshut down the engine.

6. Latch -Use this latch to secure the engine compartmentcabinet.

7. Drum Bearing -There is on each end of the mixingdrum, a sealed bearing. Bearings are packed and sealedat the factory and require no further maintenance.

8. Mixing Paddles -Used in the mixing of material. Thisunit uses four different types of paddles to provide afast uniform mix.

Figure 5 illustrates the basic components and controls ofthe MQ Essick EM-90 mixer

9. Bag Cutter-This feature allows compound mixing bagsto be opened easily, therefore allowing the contents ofthe bag to fall directly into the mixing drum.

10. Safety Grill -Provided for operator safety. This safetygrill is designed to keep hands and solid objects out ofthe mixing drum when in use. This grill should be closedat all times when mixer is in use. DO NOT remove thegrill or grill opening bar. Keep the grill clean by washingit down daily.

11. Dump Handle -Pull this handle downward to dump thecontents of the drum. Push the handle upward to returnthe drum to its vertical position.

12. Safety Grill Lock Handle -To prevent injury to handsand arms, the safety grill should ALWAYS be lockedwhen the mixing of plaster or mortar is required. Alsowhen transporting the mixer the safety grill should belocked. The safety grill should only be un-locked whencleaning of the blades and drum is required.

13. Pivot Point/Zerk Fitting -There is, on each end of themixing drum a zerk grease fitting. These fittings lubricatethe dumping mechanism. Lubricate both fittings at leasttwice a week.

14. Dump Handle Release Pin -Pull this pin outward (springloaded) to release the drum, then pull down on the dumphandle to place the drum in the dump position. Whendrum is in dump position, pin will automatically lockdrum.

15. Mixing Drum -Mixing materials such as mortar, plasterare to be placed into this drum for mixing. Always cleanthe drum after each use.

16. Tow Bar/Coupler -This mixer uses a 2-inch coupler orpintle towbar.

17. Safety Chain -This mixer uses a 3/16-inch thick, 72-inches long zinc-plated saftey chain. ALWAYS connectthe safety chain when towing.

18. Forklift Pockets – When lifting of the mixer is required,use these fork lift pockets to lift the mixer. Remember toinsert the forks of the forklift a minimum of 24 inchesinto the lift pockets.

19. Chock Blocks - Place these blocks (not included aspart of the mixer package) under each mixer wheel toprevent rolling.

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EM-90 PLASTER/MORTAR MIXER — ENGINE COMPONENTS

Figure 6. Engine Controls and Components

Initial Servicing

The engine (Figure 6) must be checked for proper lubricationand filled with fuel prior to operation. Refer to themanufacturers engine manual for instructions & details ofoperation and servicing.

1. Fuel Filler Cap – Remove this cap to add unleadedgasoline to the fuel tank. Make sure cap is tightenedsecurely. DO NOT over fill.

5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE tostop the flow of fuel.

6. Choke Lever – Used in the starting of a cold engine, orin cold weather conditions. The choke enriches the fuelmixture.

7. Air Cleaner – Prevents dirt and other debris fromentering the fuel system. Remove wing-nut on top of airfilter cannister to gain access to filter element.

Operating the engine without an airfilter, with a damaged air filter, or afilter in need of replacement willallow dir t to enter the engine,causing rapid engine wear.

Adding fuel to the tank should be done only when theengine is stopped and has had an opportunity to cooldown. In the event of a fuel spill,DO NOT attempt to start the engine untilthe fuel residue has been completelywiped up, and the area surrounding theengine is dry.


2. Throttle Lever – Used to adjust engine RPM speed(lever advanced forward SLOW, lever back towardoperator FAST).

3. Engine ON/OFF Switch – ON position permits enginestarting, OFF position stops engine operations.

4. Recoil Starter (pull rope) – Manual-starting method.Pull the starter grip until resistance is felt, then pullbriskly and smoothly.

8. Spark Plug – Provides spark to the ignition system.Set spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch)Clean spark plug once a week.

9. Muffler – Used to reduce noise and emissions.

10. Fuel Tank – Holds unleaded gasoline. For additionalinformation refer to engine owner's manual.

NOTE

WARNINGWARNINGWARNINGWARNINGWARNINGEngine components can generateextreme heat. To prevent burns, DONOT touch these areas while the engineis running or immediately afteroperating. NEVER operate the enginewith the muffler removed.

ExplosiveFuel Hazard

Burn Hazard


EM-90 PLASTER/MORTAR MIXER — ELECTRIC MOTORElectric Motor

For maintenance care and operation of the electric motor,refer to your electric motor instruction booklet furnished withthe motor.

Protect the electric motor from dust as much as possibleand keep ventilating openings clean.

It is strongly recommended that allelectrical wiring be done by alicensed electrician.

Special attention should be given to the electric switch aswell as the over-and-under voltage protection devices asper regulations set forth in the local electrical safety codehandbook

DO NOT spray water at any time on the electric motor.

DO NOT operate electric motor in a explosive environment.

The electric motor used in this mixer is a single-phase 3HP motor. The input voltage requirement for this motor is115/230 VAC, and has been pre-set to 230VAC.

Electric Motor Connection

A 12-inch electrical cable (Figure 7) is provided with theelectrical motor for hookup to a power source. Table 5 showsthe required NEMA connector for the desired motorhorsepower rating. In addition, Table 5 also shows thematching NEMA approved connector for the requiredextension cord.

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NOTE

ALWAYS make certain that the power source requiredfor the electric motor is correct and always use the correctNEMA configuration plug. Failure to supply the correctvoltage to the motor can severely damage the motor.

CAUTIONCAUTIONCAUTIONCAUTIONCAUTION Electric MotorConnections

Electric MotorSafety

Figure 7. Single Phase Electric Motor With 18 inch Pigtail Cable

ALWAYS, make certain that the power source required forthe electric motor is correct and always use the correctNEMA configuration plug. Failure to supply the correct voltageto the motor can severely damage the motor.

The motor supplied is wired for 230 VAC grounded operation.Make certain that the correct size grounded (3-wires)extension cord is used. See Table 6.

Motors can burn out when the line voltage falls 10% belowthe voltage rating of the motor. Failure to use proper voltagewill cause the motor to overheat and actuate the overloadswitch.


EM-90 PLASTER/MORTAR MIXER — ELECTRIC MOTOR

SEZISDROCNOISNETXEDEDNEMMOCER.6ELBAT

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Electric Motor Voltage Change Plug

The electric motor utilizes a Voltage Change Plug to switchbetween 115V and 230V. The motor is set to230V by default.To change voltages:

1. ALWAYS make sure the electric motor's ON/OFF switchis in the OFF position and the power cord has beendisconnected from the power source.

2. Remove the screws securing the plug to the motor casingand pull down to remove the plug.

3. Turn the plug so that the side of the plug that says "Upfor 115V" and the arrow points away from the motor(Figure 8).

4. Insert the plug back into the motor casing and tightenthe screws to secure it to the motor.

Figure 8. Voltage Change Plug

If overload protection should actuate because of impropervoltage or any other malfunction, turn the main switch onthe motor to the OFF position and correct the problem, pressthe reset switch button, and turn the main switch to the ONposition.

When changing the voltage your electric motor operatesat, have a qualified electrician install the appropriatereceptacle plug for the new voltage. Failure to do so candamage the motor.

CAUTIONCAUTIONCAUTIONCAUTIONCAUTION Changing Voltages


Figure 9a. Paddle Blade Adjustment (Steel Drum)

Adjust paddles as shown in Figure 9a.

EM-90 MIXER — PADDLE BLADE ADJUSTMENT (STEEL DRUM)


Adjust paddles as shown in Figure 9b.

EM-90 MIXER — PADDLE BLADE ADJUSTMENT (POLY DRUM)

Figure 9b. Paddle Blade Adjustment (Poly Drum)


EM-90 PLASTER/MORTAR MIXER — INSPECTIONBefore Starting

1. Read all safety instructions at the beginning of manual.

2. Clean the mixer, removing dirt and dust, particularly theengine cooling air inlet, carburetor and air cleaner.

3. Check the air filter for dirt and dust. If air filter is dirty,replace air filter with a new one as required.

4. Check carburetor for external dirt and dust. Clean withdry compressed air.

5. Check fastening nuts and bolts for tightness.

Figure 10. Engine Oil Dipstick (Removal)

3. Insert and remove the dipstick without screwing it intothe filler neck. Check the oil level shown on the dipstick.

4. If the oil level is low (Figure 11), fill to the edge of the oilfiller hole with the recommended oil type (Table 7).Maximum oil capacity is 2.33 pints (1.09 liters)

NOTE Reference manufacturerengine manual for specificservicing instructions.

Figure 11. Engine Oil Dipstick (Oil Level)

EPYTLIO.7ELBAT

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ALWAYS wear approved eye andhearing protection before operatingthe mixer.

NEVER place hands or feet inside theengine guard cover while the engine isrunning. ALWAYS shut the engine downbefore performing any kind of maintenanceservice on the mixer.

Engine Oil Check

1. To check the engine oil level, place the mixer on securelevel ground with the engine stopped.

2. Remove the filler dipstick from the engine oil filler hole(Figure 10) and wipe it clean.

CAUTIONCAUTIONCAUTIONCAUTIONCAUTION Eyesight and HearingProtection

CAUTIONCAUTIONCAUTIONCAUTIONCAUTION Inspection &Maintenance Saftey


EM-90 PLASTER/MORTAR MIXER — INSPECTIONFuel Check

DANGERDANGERDANGERDANGERDANGERIf your mixer has a gasoline engine, determine if theengine fuel is low. If fuel is low, remove the fuel filler capand fill with unleaded gasoline. Motorfuels are highly flammable and can bedangerous if mishandled. DO NOT smokewhile refueling. DO NOT attempt to refuelthe mixer if the engine is hot! or running.

1. Remove the gasoline cap located on top of fuel tank.

2. Visually inspect to see if fuel level is low. If fuel is low,replenish with unleaded fuel.

3. When refueling, be sure to use a strainer for filtration. DONOT top-off fuel. Wipe up any spilled fuel.

V-belt Check

A worn or damaged V-belt can adversely affect theperformance of the mixer. If a V-belt is defective or wornsimply replace the V-belt as outlined in the maintenancesection of this manual.

Blade Check

Check for worn or paddle blades. Make sure that all bladesare adjusted properly. See blade adjustment procedure inthis manual. Replace all defective or damaged bladesimmediately.

Explosive FuelHazard

ControlsStart/Stop Switches

This mixer has been equipped with a start/stop switch forboth the gasoline and electric motor mixers. These switchesshould be tested every time the engine or electric motor isstarted.

Grease Fittings (Dumping Mechanism)

Check the zerk grease fittings at each end of the mixing drum.These grease fittings lubricate the dumping mechanism. Ifthe dumping handle is stiff or hard to move lubricate thesefittings.


This section is intended to assist the operatorwith the initial start-up of the EM-90 mixer (withgasoline engine or electric motor). It is extremelyimportant that this section be read carefullybefore attempting to use the mixer in the field.

DO NOT use your mixer until this section is thoroughlyunderstood.

Failure to understand the operation of the EM-90 seriesmixers could result in severe damage to the mixer orpersonal injury.

See Figure 5 for the location of any control referenced inthis manual.

Start-up Procedure(Gasonline Engine)

The following steps outline the procedure for starting theengine. Depending on the type of engine employed in themixer the steps may vary slightly. If your mixer has an electricmotor disregard this section.

1. Move the fuel shut-off lever (Figure 12) to the ONposition.

Figure 12. Fuel Shut-OFF Lever

2. To star t a cold engine, move the choke lever(Figure 13) to the CLOSED position.

Figure 13. Choke Lever

Figure 14. Throttle Lever

EM-90 PLASTER/MORTAR MIXER — START-UP PROCEDURE



NEVER operate the mixer in a confinedarea or enclosed area structure thatdoes not provide ample free flow of air.

General Safety

3. Move the throttle lever (Figure 14) away from the slowposition, about 1/3 of the way toward the fast position.Respiratory Hazard


EM-90 PLASTER/MORTAR MIXER — START-UP PROCEDURE

4. Turn the engine switch (Figure 15) to the ON position.

5. The main start/stop switch located on the engine coveris (Figure 16) is used to start and stop the engine. Pullthis switch outward to start the engine.

6. Place the belt slip lever (Figure 17) in the START/STOP (disengaged) position.

Figure 17. Belt Slip Lever(Start/Stop Position)

7. Pull the starter grip (Figure 20) lightly until you feelresistance, then pull briskly. Return the starter gripgently.

Figure 20. Starter Grip

Figure 19. Drum Lock Pin (Right Position)

Figure 18. Drum Lock Pin (Side-View)

Make certain the drum lock pin (Figures 18 and 19) isplaced to the RIGHT (when viewing the mixer from thetowpole end) of the drum stop block which is welded tothe front side of the drum. Also make sure lock pin isfully engaged (locked). This will prevent the drum fromtipping.


Figure 16. Start/Stop Switch (gasoline engine)

Figure 15. Engine ON/OFF Switch

Preventing Drum Tipping


Figure 22. Drum Lock Pin (Left Position)

Figure 23. Stand Clear of Dump Handle

Be sure to stand clear of the dump handle (Figure 23)when the mixer is operational. Any binding of materialbetween the mixer blades and the drum will cause thedrum handle to quickly move and could cause bodilyharm.


Mixing Dumping

1. The paddle shaft inside the drum should be rotating atthis time.

2. Add a small amount water to the mixing drum.

3. Lift the mixing bag compound onto the steel safety grateover the bag cutter and let the contents fall into thedrum. Add more water if desired and mix compound todesired consistency.

Dump Handle SafetyStart-up Procedure(Electric Motor)

1. Using an adequate size extension cord (see Table 6),connect one end of the extension cord to the plug onthe electric motor, connect the other end to the powersource. Make sure the motor is configured for the properoperating voltage.

2. Set the electric motor's ON/OFF switch (Figure 7) tothe ON position.

8. Place the belt slip lever (Figure 21) in the mix position.This will tilt the engine placing tension on the V-beltsenabling the shaft to rotate.

Figure 21. Belt Slip Lever (Mix Position)

EM-90 PLASTER/MORTAR MIXER — START-UP/OPERATION PROCEDURES4. When charging, mixing, or dumping a batch of plaster

or mortar the drum lock pin should be placed to theleft (when viewing the mixer from the towpole end) ofthe drum stop block which is welded to the front side ofthe drum. See Figure 22.

This will allow the operator to use both hands on thedrum handle during dumping. Please note that whenthe lock pin is placed to the left, the drum will bemaintained in the vertical position as the paddles rotate.To discharge the material the operator should hold thedump handle with both hands and rotate the drum todischarge the desired amount of material.


EM-90 PLASTER/MORTAR MIXER — SHUT-DOWN PROCEDURESStopping the Mixer (Gasoline Engine)

1. Place the belt slip lever in the start/stop position(Figure 21).

2. Push the main start/stop switch (Figure 16) inward tostop the engine.

3. Turn the fuel shut-off valve to the OFF position.

4. Disconnect the spark plug.

5. Clean mixer as referenced in the maintance section ofthis manual.

Stopping the Mixer (Electric Motor)

1. Place the electric motor's ON/OFF switch (Figure 4) inthe OFF position.

2. Disconnect the electric motor's extension cord from itspower source.

3. Clean mixer as referenced in the maintance section ofthis manual.

NEVER disable or disconnect the start/stop switch. It isprovided for operator safety. Serious Injury may result ifit is disabled, disconnected or improperly maintained.


It is recommended that the mixer'sStart/Stop switch be used to stopthe engine after every use.

Doing this will verify that the switch is working properly andpresents no danger to the operator.

NOTE

DO NOT Disconnectthe Start/Stop Switch


EM-90 PLASTER/MORTAR MIXER — MAINTENANCE (ENGINE)Use Table 8 as a general maintenance guideline when servicing your engine. For more detail engine maintenance information,refer to the engine owner's manual supplied with your engine.

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Maintenance

Perform the scheduled maintenance procedures as definedby Table 8 and below:

DAILY

■ Thoroughly remove dirt and oil from the engine and controlarea. Clean or replace the air cleaner elements asnecessary. Check and retighten all fasteners asnecessary. Check the gearbox for oil leaks. Repair orreplace as needed.

WEEKLY

■ Remove the fuel filter cap and clean the inside of thefuel tank.

■ Remove or clean the filter at the bottom of the tank.

■ Remove and clean the spark plug (Figure 24), then adjustthe spark gap to 0.024 ~0.028 inch (0.6~0.7 mm). Thisunit has electronic ignition, which requires noadjustments.

DO NOT use gasoline as a cleaning solvent to avoidcreating the risk of fire or an explosion.

ENGINE OIL

1. Drain the engine oil when the oil is warm as shown inFigure 25.

2. Remove the oil drain bolt and sealing washer and allowthe oil to drain into a suitable container.

3. Replace engine oil with recommended type oil as listedin Table 7. For engine oil capacity, see Table 2 (enginespecifications). DO NOT overfill.

4. Install drain bolt with sealing washer and tighten se-curely.

Figure 25. Engine Oil (Draining)

Figure 24. Spark Plug Gap

EM-90 PLASTER/MORTAR MIXER — MAINTENANCE (ENGINE)ENGINE AIR CLEANER

1. Remove the air cleaner cover and foam filter element asshown in Figure 26.

2. Tap the paper filter element (Figure 26) several times ona hard surface to remove dirt, or blow compressed air[not exceeding 30 psi (207 kPa, 2.1 kgf/cm2)] through thefilter element from the air cleaner case side. NEVERbrush off dirt. Brushing will force dirt into the fibers.Replace the paper filter element if it is excessively dirty.

3. Clean foam element in warm, soapy water or nonflam-mable solvent. Rinse and dry thoroughly. Dip the elementin clean engine oil and completely squeeze out theexcess oil from the element before installing.

Figure 26. Engine Air Cleaner

DANGERDANGERDANGERDANGERDANGER Explosive Hazard


EM-90 PLASTER/MORTAR MIXER — MAINTENANCE (MIXER)Drum Head Seals

On each end of the mixing drum there is a drum headcontaining self-adjusting graphite seals. These seals consistof packing rings, split gland and spring activated adjusters.A properly maintained seal prevents material from workingaround the shaft, causing excessive wear. The following isthe suggested procedure of maintenance for protection ofthe paddle shaft.

1. Keep drum head clean of material build up so the springadjusters are free to work.

2. As the seals naturally wear, material will seep from thedrum head. Tighten the adjusting nuts equally until aslight pressure is felt (Figure 27). The seals are nowtight. This procedure should be done periodically as theseals leak.

Figure 27. Drum Seal Adjusting Nuts

3. Once the pressure plate touches the drum, its time toreplace the graphite seals (Figure 28).

Figure 28. Replacing Drum Seals

Drum Bearing Bracket Lubrication

There is 1 set of drum bearing brackets (Figure 29) that willrequire lubrication. These brackets are intended to makethe drum rotate freely. Lubricate the grease fitting for eachdrum bearing bracket every month or when the drumbecomes difficult to position using multi-purpose gradegrease.

Figure 29. Grease Fittings (Dumping Mechanism)

GREASE FITTINGAND CAP

DRUM BEARINGBRACKET

GREASE FITTINGAND CAP

20

Failure to lubricate the drum bearing grease fittingsperiodically will cause the dumping mechanism to stiffen,making the mixing drum hard to dump.

CAUTIONCAUTIONCAUTIONCAUTIONCAUTION Lubricating theGrease Fittings

Ball Socket and Clamp Face Maintenance

1. If the towing vechicle is equipped with a ball socket,smear socket periodically with multi-purpose grease.This will keep the ball socket well lubricated.

2. Periodically oil pivot points and clamp face surfacesof coupler with SAE 30 WT. motor oil.

3. When parking or storing your mixer. Keep the coupleroff the ground so dirt will not build up in the ball socket.


EM-90 PLASTER/MORTAR MIXER — MAINTENANCE (MIXER)

Figure 32. Drive Pinion and Main Gear (Backlash)

2. Fill the wheel hub (Figure 31) with grease to the insidediameter of the outer races and also fill the hub greasecap. Reassemble the hub and mount the wheel. Thentighten the adjusting nut, at the same time turn the wheelin both directions, until there is a slight bind to be sureall the bearing surfaces are in contact.

Then back-off the adjusting nut 1/6 to 1/4 turn or to thenearest locking hole or sufficiently to allow the wheel torotate freely within limits of .001" to .010" end play. Lockthe nut at this position. Install the cotter pin and dustcap, and tighten all hardware.

Main Gear and Drive Pinion Alignment

1. Disconnect the spark plug wire (gasoline engines). Ifmixer is equipped with an electric motor remove powercord from AC power receptacle. In addition make surethe clutch engagement lever is dis-engaged to relieveV-belt tension.

2. The countershaft and drive pinion are mounted on aslotted base. To align drive pinion with main gear, loosenthe pillow block mounting bolts and move them untilthe necessary alignment has been made. Remembergears must be paralleled aligned not skewed.

3. Using your hand, slightly move (rock) the drive pulleyback and forth to determine the amount of backlash.Insert feeler gauge between gears to determine backlashdistance. Backlash should range between 0.007- 0.012inches (Figure 32).

Wheel Bearings

1. After every 3 months of operation, remove the hub dustcap and inspect the wheel bearings (Figure 31). Once ayear, or when required, disassemble the wheel hubsremove the old grease and repack the bearings forcinggrease between rollers, cone and cage with a good gradeof high speed wheel bearing grease (never use greaseheavier than 265 A.S.T.M. penetration (“No. 2.”)

Figure 31. Wheel Hub and Bearings

Figure 30. Grease Fittings (Countershaft)

Ball Socket and Clamp Face Maintenance

1. If the towing vechicle is equipped with a ball socket,smear socket periodically with multi-purpose grease.This will keep the ball socket well lubricated.

2. Periodically oil pivot points and clamp face surfacesof coupler with SAE 30 WT. motor oil.

3. When parking or storing your mixer. Keep the coupleroff the ground so dirt will not build up in the ball socket.

Countershaft Bearing Lubrication

There is 1 set of countershaft bearings (Figure 30) that willrequire lubrication. Lubricate the grease fitting for eachcountershaft bearing every 40 hours of operation usingany grade lithium base grease.


Tires/Wheels/Lug Nuts

Tires and wheels are a very important and critical compo-nents of the trailer. When specifying or replacing the trailerwheels it is important the wheels, tires, and axle are prop-erly matched.

Tires Wear/Inflation

Tire inflation pressure is the most important factor in tirelife. Pressure should be checked cold before operation. DONOT bleed air from tires when they are hot. Check inflationpressure weekly during use to insure the maximum tire lifeand tread wear.

Grease Fittings (Zerk) Maintenance (Electric Motor)

1. There are two grease (Figure 35) fittings at each end ofthe electric motor that will require lubrication. Lubricatethese fittings about every 16 months.

2. Use Poleyrex EM (Exxon Mobil) or equalivant lubricant.Clean grease fitting, apply grease gun to fitting (1/2shot). Remember too muchgrease or injecting grease tooquickly can cause prematurebearing failure. Slowly apply therecommended amount of grease,taking a miniute or so to apply.

Figure 35. Grease FittingsElectric Motor


DO NOT attempt to repair or modify awheel. DO NOT install an inter-tube tocorrect a leak through the rim. If therim is cracked, the air pressure in theinter-tube may cause pieces of the rim to explode (break-off) with great force and can cause serious eye or bodilyinjury.


ALWAYS wear safety glasses whenremoving or installing force fittedparts. Failure to comply may resultin serious injury.


Damaged Wheels

Eyesight Hazard

Gear Lubrication

The surface of the pinion and main gear (Figure 34) shouldbe very lightly greased.

Figure 34. Pinion and Bull Gear Lubrication

Inspect Tooth Contact between Main Gear and DrivePinion

1. Coat 3 or 4 teeth at 3 different positions on the maingear with yellow paint.

2. Rotate the drive pulley in both directions.

3. Inspect the tooth pattern.

4. If gear teeth are not contacting properly (Figure 33),adjust pillow block to correct the problem.

Figure 33. Gear Teeth Alignment

NOTE Grease main and pinion gearsevery 250 hours of operation.IMPORTANT! Avoid over-greasing.

Excess grease will accumulate contaminates and causepremature wear.



Lug Nut Torque Requirements

It is extremely important to apply and maintain proper wheelmounting torque. Be sure to use only the fasteners matchedto the cone angle of the wheel. Proper procedure for attach-ment of the wheels is as follows:

1. Start all wheel lug nuts by hand.

2. Torque all lug nuts in sequence. See Figure 36. DO NOTtorque the wheel lug nuts all the way down. Tighten eachlug nut in 3 separate passes as defined by Table 10.

3. After first road use, retorque all lug nuts in sequence.Check all wheel lug nuts periodically.

Figure 36. Wheel Lug Nuts Tightening Sequence

NEVER! use an pneumatic air gunto tighten wheel lug nuts.NOTE

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Table 9 (Tire Wear Troubleshooting) will help pinpoint thecauses and solutions of tire wear problems.

WEAR PATTERN SOLUTIONCAUSE

Center Wear Over InflationAdjust pressure toparticular load pertire manufacturer.

Edge Wear Under Inflation

Make sure load doesnot exceed axle rating.Align wheels.

Side Wear

Adjust pressure toparticular load pertire manufacturer.

Loss of chamberor overloading.

Toe Wear Incorrect toe-in Align wheels.

Cupping Out-of balance Check bearing adjust-ment and balance tires.

Flat Spots Wheel lockup &tire skidding.

Avoid sudden stopswhen possible andadjust brakes.

TABLE 9.TIRE WEAR TROUBLESHOOTING



Figure 37. Axle Support Components

Suspension

The rigid type axle and associated hardware (Figure 37) shouldbe periodically inspected for signs of excessive wear, elon-gation of bolt holes, and loosening of fasteners. Replace alldamaged parts immediately.

Mixer Cleaning

1. ALWAYS disconnect the spark plug wire (gasolineengines) before cleaning the inside of the drum. If mixeris equipped with an electric motor remove power cordfrom AC power receptacle. In addition make sure theclutch engagement lever is dis-engaged.

2. Make sure the rear section of the safety grate isconnected to the mixing drum.

3. At the end of each day’s operation, place mixer drumin an upright position and spray inside of tubimmediately with water to prevent lumps of dried mortaror plaster from forming and contamination of futurebatches, DO NOT allow a buildup of materials to formon the blades or anywhere inside the drum.

4. Rotate mixer to dump position and remove debris.

5. Thoroughly clean the entire mixer, wheels, cabinetand frame.

6. NEVER! pour or spray water over the engine or electricmotor (Figure 38).

7. When cleaning of the entire mixer is done, return mixingdrum to an upright position.

Mixer Storage

For storage of the mixer for over 30 days, the following isrecommended:

Drain the fuel tank completely, or add STA-BIL to thefuel.

Run the engine until the fuel is completely consumed.

Completely drain used oil from the engine crankcaseand fill with fresh clean oil, then follow the proceduresdescribed in the engine manual for engine storage.

Clean the entire mixer and engine compartment.

Place the mixing drum in the down position (mouth facingdownward).

Cover the mixer and place it a clean dry area, that isprotected from harsh elements.

Figure 39. Safety Grate (Crush Hazard)

Figure 38. No Spraying of Water

When rotating the mixing drum from the dump positionto the upright position, keep hands clear of safety grate.The possibility exists of hands or fingers being crushed(Figure 39).

WARNINGWARNINGWARNINGWARNINGWARNING Keep HandsClear of Drum!


EM-90 PLASTER/MORTAR MIXER — TROUBLESHOOTING (ENGINE)Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of abreakdown, please take a remedial action following the diagnosis based on the Engine, Mixer and Electric MotorTroubleshooting (Tables 11, 12 and 13) information shown below and on the proceeding pages. If the problem cannot beremedied, please leave the unit just as it is and consult or company's service department.

GNITOOHSELBUORTENIGNE.11ELBAT

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EM-90 PLASTER/MORTAR MIXER — TROUBLESHOOTING (ENGINE)

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EM-90 PLASTER/MORTAR MIXER — TROUBLESHOOTING (MIXER/ELECTRIC MOTOR)

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EM-90 PLASTER/MORTAR MIXER — WIRING DIAGRAM (ELECTRIC MOTOR)

Figure 40. Electric Motor Wiring Diagram


NOTE PAGE

OPERATIONS MANUAL

Your Local Dealer is:

HERE'S HOW TO GET HELPPLEASE HAVE THE MODEL AND SERIAL

NUMBER ON-HAND WHEN CALLING

© COPYRIGHT 2006, MULTIQUIP INC.

Multiquip Inc, the MQ logo and the Essick logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All othertrademarks are the property of their respective owners and used with permission.

This manual MUST accompany the equipment at all times. This manual is considered a permanent part of the equipment and should remain with the unit if resold.

The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations are based on the MQ Essick EM90 Series Plasterand Mortar Mixer. Illustrations, descriptions, references and technical data contained in this manual are for guidance only and may not be considered as binding. MultiquipInc. reserves the right to discontinue or change specifications, design or the information published in this publication at any time without notice and without incurring anyobligations.

UNITED STATESMultiquip Corporate Office MQ Parts Department18910 Wilmington Ave. Tel. (800) 421-1244 800-427-1244 Fax: 800-672-7877Carson, CA 90746 Fax (800) 537-3927 310-537-3700 Fax: 310-637-3284Contact: [email protected] Parts Warranty Department800-306-2926 Fax: 800-672-7877 800-421-1244, Ext. 279 Fax: 310-537-1173310-537-3700 Fax: 310-637-3284 310-537-3700, Ext. 279Service Department Technial Assistance800-421-1244 Fax: 310-537-4259 800-478-1244 Fax: 310-631-5032310-537-3700

MEXICO UNITED KINGDOMMQ Cipsa Multiquip (UK) Limited Head OfficeCarr. Fed. Mexico-Puebla KM 126.5 Tel: (52) 222-225-9900 Hanover Mill, Fitzroy Street, Tel: 0161 339 2223Momoxpan, Cholula, Puebla 72760 Mexico Fax: (52) 222-285-0420 Ashton-under-Lyne, Fax: 0161 339 3226Contact: [email protected] Lancashire OL7 0TL

Contact: [email protected]

CANADA BRAZILMultiquip Multiquip4110 Industriel Boul. Tel: (450) 625-2244 Av. Evandro Lins e Silva, 840 - grupo 505 Tel: 011-55-21-3433-9055Laval, Quebec, Canada H7L 6V3 Fax: (450) 625-8664 Barra de Tijuca - Rio de Janeiro Fax: 011-55-21-3433-9055Contact: [email protected] Contact: [email protected], [email protected]

series model em-90s (steel) model em-90p (plastic) · operations manual revision #2 (12/11/06) this...

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