Spanner Wrench For M2 Machine Gun Bolt Latch

Carefully remove bolt latch assembly; the spring is under heavy compression and could cause injury if released accidentally.

15. Turn bolt latch spring tool assembly (31) clockwise until operating head (30) contacts bolt latch assembly (35) and compresses helical compression spring (36). Remove and discard cotter pin (37) from bolt latch assembly (Flex only).

Bolt Latch M2hb

16. Install spanner wrench (38) on plain round nut (39). Turn spanner wrench counterclockwise and remove plain round nut (Flex only).

Bolt Latch M2hb

17. Install plain round nut (39) back on bolt latch assembly (35) and screw plain round nut two turns onto bolt latch assembly threads (Flex only).

18. Unscrew bolt latch spring tool assembly (31) counterclockwise until manual control lever (40) drops down. Screw bolt latch spring tool assembly clockwise and compress helical compression spring (36) until plain round nut (39) can be removed from bolt latch assembly (35) (Flex only).

19. Remove plain round nut (39). Unscrew bolt latch spring tool assembly (31) counterclockwise and remove from receiver (2). Remove bolt latch assembly (35) (Flex only).

Bolt Latch M2hb

DISASSEMBLY - Continued

20. Remove cotter pin (41), plain slotted nut (42), extractor switch (43), and extractor switch tension spring (44) from receiver (2). Discard cotter pin.

Browning Measurements

INSPECT/REPAIR

1. Check shaft (1) on barrel extension assembly (2) for any movement. Check for broken or chipped edges. Replace barrel extension assembly if any movement is present or if edges are broken or chipped.

Heavy Machine Gun Bolt

2. Check upper left hand corner (3) of barrel extension assembly (2) for any broken or sharp edges. Stone area and edges smooth. Screw barrel completely into barrel extension assembly. Replace barrel extension assembly if barrel cannot be screwed completely into the barrel extension assembly.

Disassemble Cal Machine Gun
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