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 481 of 828
TM 9–2350–311–20–2
8–57
16
Install one new lockwasher (23) and one machine screw (22) to secure protective dust cap (24) and three
new lockwashers (23) and three machine screws (22) into top of gunner’s selector switch box assembly (2).
17
Install new gasket (25) on collimator connector (26) and attach with four machine screws (22), four flat
washers (28), and four hex nuts (27).
18
Install four new lockwashers (30) and four machine screws (29) into top of gunner’s selector switch box as-
sembly (2).
19
Install new gasket (31) on connector (34). Using four flat washers (33) and four hex nuts (32), fasten gasket
(31) to four new lockwashers (30) and four machine screws (29) on top of gunner’s selector switch box as-
sembly (2).
2
25
31
34
33
32
27
28
26
24
23
22
29
30
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