TM-9-2350-311-20-2
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS
DECEMBER 1993
TM-9-2350-311-20-2 - Page 486 of 828
TM 9–2350–311–20–2
8–62
8–13 POWER RELAY BOX ASSEMBLY — CONTINUED
b.
Disassembly — Continued
3
Remove eight machine screws (12) and eight lockwashers (13) from two connectors (14 and 15). Discard
lockwashers.
4
Remove hex nut (16), one lockwasher (17), and two flat washers (18) from each connector (14 and 15). This
will release gasket (19) from each connector. Discard gaskets and lockwashers.
5
Remove eight machine screws (20) and eight lockwashers (21) from two connectors (22 and 23). Discard
lockwashers.
6
Remove hex nut (24), lockwasher (25), and flat washer (26) from connector (22). This will release gasket
(27). Discard gasket and lockwasher.
7
Remove hex nut (28), lockwasher (29), and electrical lead (30) from electromagnetic relay (31). Remove
connector (23) with electrical lead (30) attached to release gasket (32). Discard gasket and lockwasher.
30
28
31
26
25
24
19
16
17
18
15
13
12
23
30
32
27
21
22
20
19
16
17
18
14
13
12
29
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