The ball end of the firing pin must be positioned in groove between the spring pin hole and the bottom of the groove in the operating rod assembly.
Install ball end (6) of the firing pin (5) into the groove (7) in operating rod assembly (3).
Install spring pin (4) so that the ball end (6) of firing pin (5) is properly seated in groove (7) of operating rod assembly (3).
Install bolt assembly (2) on operating rod assembly (3) and secure with spring pin (1).
Make sure bolt linkage moves freely by moving bolt assembly (2) through range of operation. If movement is not free, check spring pin (1) and mating surfaces for damages.
This task covers: a. Disassembly b. Cleaning
Cleaner, lubricant and preservative (CLP) (item 1, WP 0074 00)
c. Inspection/Repair d. Reassembly
Solvent cleaning compound (RBC)
(item 2, WP 0074 00) Spring, pin, PN 11826068-3 Weapons lubricating oil (as required) Wiping rag, (item 11, WP 0074 00)
Bolt assembly disassembled from operating rod (TM 9-1005-313-10).
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