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18-21. APU WIRING HARNESS (12329640) REPLACEMENT (continued).
9.
10.
11.
12.
13.
14.
Install lead circuit 421 (11) on fuel shutoff solenoid (13) with nut (8), new Iockwasher (9), and washer (10).
Install lead circuit N (17) on preheat solenoid (16) with nut (20), new Iockwasher (19), and washer (18).
Install diode support (25), circuit R (14), and circuit 65 (15) on preheat solenoid (16) with three new
Iockwashers (6) and nut (7).
Install lead 487 (22) on preheat solenoid (16) with two washers (21), new Iockwasher (23), and nut (24).
Install lead 5 (3) on diode (1) with screw (2), new Iockwasher (4), and nut (5).
Install engine cylinder shroud door panel (12) on APU.
FOLLOW-ON MAINTENANCE:
. Install APU (para 18-2).
18-56
TM 9-2350-287-20-2
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