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TM 9-2350-287-20-2
18-22. APU WIRING HARNESS (12329650) REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment:
Lockwasher (Item 138, Appendix H)
General mechanic's tool kit (Item 24,
Lockwasher (3) (Item 164, Appendix H)
Appendix I)
Equipment Conditions:
Materials/Parts:
Vehicle parked on level ground (refer to
Adhesive, sealant (Item 6, Appendix D)
TM 9-2350-287-10).
Tape, insulation, electrical (Item 67, Appendix D)
APU removed (para 18-2).
a.
REMOVAL
1.
Disconnect ground lead (9)
going
to
ground
lead
(8)
attached
to
terminal
E
on
generator terminal box (7).
2.
Disconnect lead 493 (2) from
lead attached to engine high air
temperature switch (1).
3.
Disconnect lead 420 (13) going
to engine oil pressure sending
unit (14).
4.
Remove screw (15)
and
lockwasher (16) securing lead
420A (18) at engine low oil
pressure switch (17). Discard
lockwasher.
5.
Remove
two
screws
(10),
lockwashers (11), and clamps
(12) securing wiring harness
12329650 to rear side of the
APU.
6.
Remove screw (3), lockwasher
(4), washer (5), clamp (6), and
wiring harness 12329650 from
the APU. Discard lockwasher.
Change 1 18-57
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