TM 9--2350--292--20--2
0638 00--1
AUXILIARY POWER UNIT DIODE AND MOUNTING PLATE REPLACEMENT
0638 00
THIS WORK PACKAGE COVERS:
Removal, Installation
INITIAL SETUP:
Tools and Special Tools
General mechanics tool kit (item 1, WP 0717 00)
Materials/Parts
Lockwashers (4) (item 139, WP 0718 00)
Adhesive (item 81, WP 0716 00)
Marker tags (item 49, WP 0716 00)
Materials/Parts--Continued
Lockwasher (item 85, WP 0718 00)
Lockwasher (item 86, WP 0718 00)
Equipment Conditions
APU removed from vehicle (WP 0587 00)
Removal
1. Loosen captive screw (1) and remove panel (2).
NOTE
Where applicable, remove adhesive to expose desig-
nated electrical terminals.
Tag all electrical connections and electrical leads prior to
removal to aid in installation.
2. Remove screw (3), lockwasher (4) and nut (5) at cathode (terminal end) of diode (6) and wire (7). Discard lock-
washer.
3. Remove nut (8) and lockwasher (9) at anode (stud end) of diode (6). Remove diode (6).
NOTE
Perform the following step only if necessary to replace
plate (link) connected to diode anode (stud end).
4. Remove nut (10), four lockwashers (11), two wires (12 and 13) and plate (link) (14). Discard lockwashers.
5. Inspect parts for damage and replace as required.