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 685 of 828

TM 9–2350–311–20–2
Change 2
18–16.1
4
Install linkage assembly (5) using four cap screws (4).
5
Install two lower gun arm caps (3) in the exact position from which they were removed.
6
Install four cap screws (1) and four new lockwashers (2) on two lower gun arm caps (3).
7
Depress cannon tube to zero elevation, using M1A1 gunner’s quadrant (50) (end-for-end correction applied)
placed on M15 elevation quadrant seats (51).
1
2
3
5
4
50
51
54


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