ata 71 cfm56 3

AIRPLANE APPLICATIONS

CFM56 CHARACTERISTICS

Series 1/200 3/4/500

Engine JT8-17A CFM56-3

Max time limit for take-off or go-around

thrust:

5 min 5 min *

Max N1 102.4% 106%

Max N2 100% 105%

Max EGT's:

Take-off (5 min limit) 650°C 930°C

Continuous 610°C 895°C

Start 575°C 725°C

Oil T's & P's

Max temperature 165°C 165°C

15 minute limit (45 minute limit on NG) 130-165°C 160-165°C

Max continuous 130°C 160°C

Min oil press 40psi 13psi (warning

light),26psi (gauge)

Min oil quantity (at dispatch) 2.25 USG 60% full (12 US Quarts) **

Starting pressures prior to starter

engagement

30psi -1/2psi per 1000' amsl

Starter duty cycle 1st attempt: 2min on, 20sec off

2nd & subsequent attempt: 2min on, 3min off

LIMITATIONS

ENGINE HAZARD AREAS - IDLE POWER

ENGINE HAZARD AREAS - TAKEOFF POWER

ENTRY/EXIT CORRIDOR (LOW IDLE)

HOW TO APPROACH DURING ENGINE MAINTENANCE RUN

POWERPLANT NOISE AREA

ENGINE DIMENSIONS

ENGINE GROUND CLEARANCE

ON CONDITION MAINTENANCE

POWERPLANT COWLING

INLET COWL

24 BOLTS AND 2 ALIGNMENT PINS AT 3

AND 9 O´CLOCK POSITIONS

INLET REMOVAL AND INSTALLATION

FAN COWL

FAN THRUST REVERSER COWL

THRUST REVERSER COWL OPENING

CAUTION: THE WING LEADING EDGE

FLAPS MUST BE RETRACTED PRIOR

TO OPENING THE THRUST REVERSER

COWL TO PREVENT DAMAGE

EQUIPMENT.

ACTUATOR LOCK ASSEMBLY

ENGINE MOUNTS

FWD ENGINE MOUNT & THRUST LINK

AFT ENGINE MOUNT

LOCATED AT THE

12 O´CLOCK

POWER PLANT DRAINS

FAN COMPARTMENT DRAINAGE

CORE COMPARTMENT DRAINAGE

FWD ENGINE MOUNT & THRUST LINK

TWO THRUST LINKS ATTACHED

AT 10 AND 2 O´CLOCK