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73-11-01
ALL ú ú C01 Page 419 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 034-025-C00
(14)
Remove the four bolts that attach the inlet line for the fuel supply to the top of the fuel pump (Fig. 408).
S 034-065-C00
(15)
Remove the gasket from the fuel inlet port on the fuel pump.
(a) Discard the gasket if it is damaged.
S 024-094-C00
(16)
Remove and do an inspection of the fuel filter (AMM 73-11-02/401, AMM 73-11-02/601).
S 494-026-C00
(17)
Put protective caps on all the open plumbing lines.
S 494-027-C00
(18)
Install the fuel pump and MEC Removal/Installation sling as follows (Fig. 409):
(a) Use the ball-lock pin to attach the sling to the handle of the
fuel filter cover.
(b) Use the sling strap to attach the sling to the main oil/fuel
heat exchanger and the servo fuel heater.
(c) Install the strut mounted hoist.
NOTE:____ You can also use a crane to lift the fuel pump package.
S 024-028-C00
(19) Remove the fuel pump package as an assembly as follows (Fig. 410):
(a)
Remove the lockwire.
(b)
Remove the quick attach/detach (QAD) bolt.
(c)
Install the QAD bolt through the QAD ring in the opposite direction.
NOTE: Keep the ball seat washer for the installation
____ procedure.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-11-01
ALL ú ú C01 Page 420 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
SERVO FUEL OIL/FUEL MAIN
HEATER HEAT EXCHANGER
SLING STRAP
MEC
SLING
FUEL PUMP FUEL FILTER
BALL-LOCK PIN
A
Fuel Pump Package R/I Sling Installation
Figure 409
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-11-01
ALL ú ú C01 Page 421 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
BOLT
SEE A BALL SEAT WASHER
INSTALL
REMOVE
MAIN OIL/FUEL
HEAT EXCHANGER
BRACKET
JACKING BLOCK USED AS THRUST
INSTALL PLATE FOR QAD RING REMOVAL
PB LINE
2
AGB REMOVE
BOLT INSTALLED BACKWARDS THROUGH CAPTIVE BARREL4 NUT FOR JACKING
QAD BOLT
SEE B
B
1
3 FWD
A
1 INSTALLED ONLY ON ENGINES WITHOUT THE HPTCC TIMER 3 ENGINES WITHOUT THE PBP ELBOW
ON THE FUEL PUMP HP HOUSING
2 INSTALLED ONLY ON ENGINES WITH THE HPTCC TIMER
4 ENGINES WITH THE PBP ELBOW ON THE FUEL PUMP HP HOUSING Fuel Pump QAD Installation Figure 410
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-11-01
ALL ú ú C01 Page 422 ú Nov 15/94
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