TM 9-2350-256-20
CHAPTER 6: MAINTENANCE OF ELECTRICAL SYSTEMS AND CIRCUITS
6-75 REPLACE/REPAIR BULKHEAD TO AUXILIARY POWER UNIT (APU),
MASTER RELAY, AND RIGGER'S LIGHTS WIRING HARNESS (DUAL VOLTAGE) (1167241 2)-Continued
a. REMOVAL
1 Remove 20 clamps (17) by removing screw (18) and
lockwasher (19) from each.
2 Disconnect two connectors (1 and 14) from
bulkhead disconnect (20).
3 Disconnect two connectors (2 and 3) from
hydraulic pressure switch (21).
4 Disconnect two connectors (4 and 5) from APU
engine disconnect (22) by removing four screws
(23), four lockwashers (24), and four nuts (25) from
each.
5 Disconnect connector (6) from APU wiring harness
(26).
6 Disconnect connector (7) from batteries to master
relay, voltage regulators, slave receptacle, and
engine disconnect wiring harness (27).
7 Disconnect connector (8) from APU voltage
regulator (28).
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