TM 9--2350--292--20--2
0615 00--1
AUXILIARY POWER UNIT UPPER AND LOWER FUEL PUMPS
REPLACEMENT (HATZ)
0615 00
THIS WORK PACKAGE COVERS:
Removal, Installation
INITIAL SETUP:
Tools and Special Tools
General mechanics tool kit (item 1, WP 0717 00)
Materials/Parts
Sealing compound (item 16, WP 0716 00)
Adhesive (item 81, WP 0716 00)
Adhesive (item 29, WP 0716 00)
Lockwashers (2) (item 58, WP 0718 00)
Equipment Conditions
APU assembly removed (WP 0587 00)
NOTE
Perform Removal steps 1 through 5 and step 11 and
Installation steps 8 through 15 for maintenance of lower
fuel pump.
Perform Removal steps 6 through 11 and Installation
steps 1 through 7 and step 15 for maintenance of upper
fuel pump.
Removal
1. Disconnect wiring harness 3W730 wire 76A (1) from lower fuel pump connector (2).
CAUTION
Do not attempt to remove elbows (10, 11 and 24) from
fuel pump unless fuel pump is removed from its mount.
Damage to fuel pump may result.
2. Remove fuel supply quick--disconnect coupling half (3) with connecting ring from lower fuel pump (4).
3. Remove fuel return quick--disconnect coupling half (5) with connecting ring and hose (6) from lower fuel pump (4).
1
2
3
4
5
6