TM-9-2350-311-10

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 478 of 775

TM 9-2350-311-10

3-6 ARMAMENT AND CAB MAINTENANCE - CONTINUED

3-6.8 Breech Mechanism - Continued

c. Assembly - Continued

9

If removed, install spring (30), housing (28), and block assembly (29) in carrier assembly (39).

10

Support housing (28) and firing group block (1). Install nut (17) using spanner wrench.

NOTE

Cartridge extractor is located inside firing group block.

Some howitzers may have different configurations of housing.

11

Position cartridge extractor (27) over nut (17).

3-74