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 419 of 828
TM 9–2350–311–20–2
Change 3
7–13
f.
Adjustment
1
Check clearance between tray (24) and rammer mounting bracket (8). Clearance should be approximately
1/4 inch (6.4 mm). Refer to steps 2 through 6 to adjust.
2
Loosen two hex nuts (75).
3
Remove lockwire (6) from two cap screws (7). Discard lockwire.
4
Turn two cap nuts (7) to adjust rammer mounting bracket (8) to required clearance of 0.25 inch (6.4 mm).
5
Tighten two hex nuts (75).
6
Check clearance to make sure it has stayed at 1/4 inch (6.4 mm) during tightening. Repeat adjustment if
necessary.
7
Install new lockwire (6) on two cap nuts (7).
8
75
7
1/4 ” (6.4 mm)
24
24
8
6
7
6
75
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