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 478 of 828
TM 9–2350–311–20–2
8–54
8–12 GUNNER’S SELECTOR SWITCH BOX ASSEMBLY — CONTINUED
b.
Disassembly
NOTE
All wiring, desoldered or disconnected, must be tagged or marked to assure correct assembly.
3
Disconnect gunner’s selector switch box assembly (2) internal wiring before disassembling gunner’s selector
switch box assembly.
4
Remove lockwire (6), cap screw (7), and clamp (8) from gunner’s selector switch box assembly (2). Discard
lockwire.
5
Remove two hex nuts (9) and two seals (10) to remove two indicator lights (11). Remove two hex nuts (12).
Discard seals.
6
Remove three hex nuts (13), three washers (14), three key washers (15), and three switch guards (16) from
three toggle switches (17). Remove toggle switches and separate box (18) from gasket (19). Discard gasket.
7
Remove three hex nuts (20) and three packings (21) from three toggle switches (17). Discard packings.
13
14
15
16
18
19
21
20
17
10
9
8
6
7
12
11
2
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