TM 9--2350--292--20--2
0663 00--1
AUXILIARY POWER UNIT HOURMETER AND BRACKET REPLACEMENT
(HATZ)
0663 00
THIS WORK PACKAGE COVERS:
Removal, Installation
INITIAL SETUP:
Tools and Special Tools
General mechanic’s tool kit (item 1, WP 0717 00)
Materials/Parts
Spring lockwashers (2) (item 482, WP 0718 00)
Lockwashers (3) (item 90, WP 0718 00)
Materials/Parts--Continued
Marking tags (item 49, WP 0716 00)
Adhesive (item 102, WP 0716 00)
Equipment Conditions
Battery power disconnected (WP 0256 00)
APU cover removed (WP 0413 00)
Removal
NOTE
Where applicable, remove sealant to expose designated
electrical terminals.
Tag all electrical connections and electrical leads prior to
removal to aid in installation.
1. Remove two nuts (1), two lockwashers (2) and wiring harness 3W730 wire 658 and GND lead (3 and 4) from
hourmeter (5). Retain attaching hardware for installation.
2. Remove three nuts (6), three screws (7), three lockwashers (8) and hourmeter (5) from bracket (9). Discard lock-
washers.
3. Remove two nuts (10), two spring lockwashers (11), two flat washers (12), two screws (13) and bracket (9) from
APU. Discard spring lockwashers.
4. Inspect all parts for damage and replace as required.
1
2
3
4
1
2
5
6
7
8
9
10
11
12
13
