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 413 of 828
TM 9--2350--311--20--2
Change 2
7--9
c. Inspection and Repair
1
Inspect lock-release lever (48). Replace if cracked or severely worn.
2
Inspect helical torsion spring (49). Replace if distorted or cracked.
3
Inspect tray (24). Replace if cracked, broken, or distorted.
4
Inspect mounting bracket (29). Replace if cracked, broken, or distorted. Remove burrs with crocus cloth.
Chase damaged threads.
5
Inspect straight headless pin (27). Replace if bent, cracked, or distorted.
6
Inspect lever (33) for cracks, burrs, or visible distortion. Replace if cracked, burred or distorted.
7
Inspect handle (28). Replace if cracked, broken, or distorted.
8
Inspect two rod end bearings (18) and ensure free rotation. Replace if cracked or corroded.
9
Inspect rod (39). Replace if bent or distorted.
10
Inspect helical compression spring (37). Replace if distorted, cracked, or nicked.
11
Inspect helical compression spring (62). Replace if cracked or distorted.
12
Inspect actuating lever (59). Replace if cracked or severely worn.
13
Inspect rammer handle (50.3). Replace if cracked, broken, or distorted.
49
48
62
59
39
18
18
37
24
33
27
28
29
50.3
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