FWD
1 INSTALLED ONLY ON FUEL PUMP ASSEMBLY
ENGINES WITHOUT THE HPTCC TIMER (LOCATED AT THE 8:30 O'CLOCK POSITION)
2 INSTALLED ONLY ON ENGINES WITH THE HPTCC TIMER A
3 ENGINES WITHOUT THE PBP ELBOW ON
THE FUEL PUMP HP HOUSING
4 ENGINES WITH THE PBP ELBOW ON
THE FUEL PUMP HP HOUSING
Fuel Pump Package Installation
Figure 401
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
SUPPORT TUBE
ELECTRICAL CABLE
ELECTRICAL CABLE
D3012 CONNECTOR FOR THE VBV RESET SOLENOID, CONNECTOR FOR THE D3016 POWER LEVER ANGLE (PLA) POSITION CONNECTOR FOR THE IDLE RESET SOLENOID,
FWD CONNECTOR FOR THE THRUST LEVER ANGLE (TLA), D2876
(LOCATED AT THE 8:30 O'CLOCK POSITION) FUEL PUMP ASSEMBLY A SEE B SHT 2
Figure 402 (Sheet 1) MEC Electrical Connector Locations
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
EPOXIED ALLEN SCREW (DO NOT REMOVE)
NON-EPOXIED ALLEN SCREW(2 LOCATIONS)
D2876,(CONNECTOR ON THE WIRE BUNDLE)
CONNECTOR BRACKET
D2876,
(CONNECTOR ON THE CABLE
TO THE FUEL CONTROL BOX)
CONNECTOR
FWD BRACKET PLATE
B
MEC Electrical Connector Installation
Figure 402 (Sheet 2)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 034-082-C00
(4)
Attach the fuel control box and the throttle push-pull cables to the strut to keep them away from the engine.
S 034-083-C00
(5)
Disconnect the six screws, washers, clamps and nuts that attach the electrical cable to the MEC and the transfer gearbox (Fig. 402, Sheet 1):
NOTE: Let the cable stay loosely in its position.
____
S 034-013-C00
(6) Disconnect the two bolts, washers and nuts and the clampshell and clamp that attach the support tube to the MEC and the transfer gearbox (Fig. 402, Sheet 1).
(a) Remove the support tube.
S 034-014-C00
(7) Disconnect the feedback cable for the variable bleed valve (VBV) as follows (Fig. 403):
(a)
Loosen the fillister head screw from the MEC feedback arm.
(b)
Remove the retainer clip from the MEC feedback arm.
(c)
Remove the pin to release the rod end bearing from the MEC
feedback arm.
CAUTION: YOU MUST RETRACT THE CABLE INNER MEMBER BEFORE YOU REMOVE
_______
THE SUPPORT TUBE ASSEMBLY. THIS WILL PREVENT DAMAGE TO
THE EXPOSED INNER MEMBER.
(d)
Move the cable inner member to the fully retracted position at the MEC end.
CAUTION:_______DO NOT TWIST THE FEEDBACK CABLE. USE TWO WRENCHES WHEN 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300 400 500 AMM 飞机维护手册 发动机燃油和控制(9)
