CHAPTER 6: MAINTENANCE OF ELECTRICAL SYSTEMS AND CIRCUITS
TM 9-2350-256-20
6-80 REPLACE/REPAIR APU CONTROL BOX TO FOOT DIMMER SWITCH AND
BULKHEAD WIRING HARNESS (SINGLE VOLTAGE) (11671799)--Continued
6 Disconnect connector (7) from bulkhead disconnect
(18) by removing four screws (19), four
lockwashers (20), and gasket (21).
7 Disconnect two connectors (8 and 9) from switch
panel to neutral safety to bulkhead wiring harness
(22).
b. DISASSEMBLY
Disassemble wiring harness (see Chapter 6, Section VII).
c. ASSEMBLY
Assemble wiring harness (see Chapter 6, Section VII).
d. INSTALLATION
1 Connect two connectors (8 and 9) to switch panel to
neutral safety to bulkhead wiring harness (22).
2 Connect connector (7) and install new gasket (21) to bulkhead disconnect (18) using four screws (19) and four
new lockwashers (20).
3 Connect two connectors (5 and 6) to rigger's light selector switch (17).
4 Connect two connectors (3 and 4) to gage panel to bulkhead wiring harness (15).
5 Connect connector (2) to switch panel to gage panel and miscellaneous switches wiring harness (infrared
night viewer) (14).
6 Install 19 clamps (11) using new lockwasher (13) and screw (12) for each.
7 Connect connector (1) to APU control box (10).
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