Corrective Action

9. FAILURE TO COCK.

Step 1. Worn or broken trigger nose (1) or trigger spring (2).

Replace trigger (3) or defective trigger spring (2) (p 3-62). Step 2. Worn or broken hammer trigger notch (4).

Replace hammer (5) (p 3-62). Step 3. Worn or broken hammer disconnector hook (6).

Replace hammer (5) (p 3-62). Step 4. Worn or broken hammer automatic sear hook (7). Replace hammer (5) (p 3-62).

Change 4 3-7

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).

M16a2 Clutch Spring

M4A1

8 Change 4

Plyometrics Fitness Adrenaline

Plyometrics Fitness Adrenaline

It Seems Incredible That You Can Get Your Ideal Body By Jumping. This Book Is One Of The Most Valuable Resources For The Fitness Adrenaline.

Get My Free Ebook


Post a comment