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 284 of 828

TM 9--2350--311--20--2
5--28
5--9
CARRIER ASSEMBLY — CONTINUED
e. Installation
1
Place carrier assembly (4) in breech ring and aline operating crank holes.
2
Install operating handle (5) and operating crank assembly (3).
NOTE
The breech ring upper lug detent is stamped with a “U”; the adjuster detent (removed with adjuster
leaf spring pack (para 5--6)) is stamped with an “L”. These parts are not interchangeable.
3
Screw in breech ring upper lug detent (2), engaging annular groove of operating crank assembly (3).
4
Install adjuster leaf spring pack (para 5--6).
5
Install breechblock assembly (TM 9--2350--311--10).
6
Untie and release operating cam from cab roof. Perform adjustment procedures to operating cam (para
5--12).
3
5
2
4


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