TM 9--2350--292--20--2
0627 00--1
AUXILIARY POWER UNIT FUEL PUMP AND RELAY BOX MOUNTING
BRACKET, OIL DRAIN LINES BRACKET AND WIRING HARNESS BRACKET
REPLACEMENT (HATZ)
0627 00
THIS WORK PACKAGE COVERS:
Removal, Installation
INITIAL SETUP:
Tools and Special Tools
General mechanics tool kit (item 1, WP 0717 00)
Materials/Parts
Adhesive (item 29, WP 0716 00)
Lockwashers (7) (item 9, WP 0718 00)
Self--locking nuts (16) (item 471, WP 0718 00)
Lockwasher (item 2, WP 0718 00)
Lockwashers (2) (item 465, WP 0718 00)
Lockwashers (2) (item 12, WP 0718 00)
Equipment Conditions
APU upper and lower fuel pumps removed
(WP 0615 00)
APU fuel/water separator removed (WP 0616 00)
APU starter relay removed (WP 0641 00)
APU preheat solenoid removed (WP 0664 00)
APU relay box assembly removed (WP 0662 00)
APU crankcase oil drain lines removed
(WP 0605 00)
APU hot air pipe removed (WP 0628 00)
Removal
NOTE
Note arrangement and location of screws prior to removal
to aid in installation.
1. Remove four screws (1), seven lockwashers (2), three flat washers (3), three nuts (4) and fuel pump and relay
box mounting bracket (5) from APU. Discard lockwashers.
2. Remove four self--locking nuts (6), four screws (7) and resilient mount (8) from fuel pump and relay box mounting
bracket (5). Discard self--locking nuts.
1
2
3
2
4
2
1
3
2
4
6
2
7
8
5
1
2
1
3
4
2