M16 Maintenance Manual TM9-1005-319-23.pdf - CombatRifle.net

ARMY TM 9-1005-319-23&P
AIR FORCE TO 11 W3-5-5-42
3-5. TROUBLESHOOTING PROCEDURES (CONT).
TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 5 (M4A1 has only 1 disconnector) Worn or broken disconnector hooks (8).
Replace defective disconnectors (9) (p3-62).
Step 6 (M4A1 has only 1 spring) Weak, broken, or missing disconnector springs (10).
Replace disconnector springs (10) (p 3-62).
Step 7. Worn, broken, or missing automatic sear (11).
Replace automatic sear (11) (p 3-62).
Step 8 Weak or broken automatic sear spring (12).
Replace automatic sear (11) (p 3-62).
Step 9. Long leg (13) of automatic sear spring incorrectly assembled in receiver.
Remove automatic sear assembly (11) and install correctly (p 3-62).
Step 10. (M16A2 and M4 ONLY) Burst cam (14) or clutch spring (15) frozen or improperly
assembled.
Disassemble, inspect, clean, lubricate, or replace as required (p 3-73).
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