Technical data

TM 9-1005-319-23&P
TABLE OF CONTENTS - Continued
WP Sequence No.
Page No.
CHAPTER 2 — FIELD TROUBLESHOOTING PROCEDURES (Continued)
Figure 11. Locking Lugs Inspection..........................................................0005-8
Figure 12. Cartridge Extractor Inspection ...............................................0005-8
Figure 13. Cartridge Ejector Inspection ...................................................0005-9
Figure 14. Trigger and Hammer Inspection...........................................0005-10
Figure 15. Disconnector, Automatic Sear, and Burst Cam Inspection.0005-11
Figure 16. Action Spring Replacement...................................................0005-12
Figure 17. Bolt Ring Gap Adjustment ....................................................0005-12
Figure 18. Bolt Carrier Key Inspection ..................................................0005-13
Figure 19. Adjustment of Gas Tube ........................................................0005-13
Figure 20. Barrel Gas Port Cleaning ......................................................0005-14
Figure 21. Front Sight and Rear Sight Inspection ................................0005-15
Figure 22. Automatic Sear and Selector Lever Inspection....................0005-16
Figure 23. Burst Disconnector and Burst Cam Inspection ...................0005-17
Figure 24. Selector Lever and Automatic Sear Inspection....................0005-18
Figure 25. Semiautomatic Disconnector and Hammer Inspection .......0005-19
Figure 26. Trigger and Pin Hole Inspection...........................................0005-19
Figure 27. Selector Lever and Trigger Inspection .................................0005-20
Figure 28. Hammer Pin Inspection.........................................................0005-20
Figure 29. Magazine Inspection ..............................................................0005-21
Figure 30. Bolt Catch Inspection ............................................................0005-22
CHAPTER 3 — FIELD MAINTENANCE INSTRUCTIONS
Service Upon Receipt ................................................................................................................. WP 0006
Preventive Maintenance Checks and Services (PMCS) Introduction .................................... WP 0007
Preventive Maintenance Checks and Services, Including Lubrication Instructions ............ WP 0008
Table 1. Preventive Maintenance Checks and Services for
M16 Series Rifles and M4 Series Carbines ............................0008-2
Rifle, 5.56mm (M16A2) 9349000; Rifle, 5.56mm (M16A3) 12012000;
Rifle, 5.56mm (M16A4) 12973001; Carbine, 5.56mm (M4) 9390000;
and Carbine, 5.56mm (M4A1) 12972700 Maintenance........................................................ WP 0009
Figure 1. Major Components of Rifles and Carbines.............................0009-2
Figure 2. Trigger Pull Test ......................................................................0009-7
Figure 3. Beginning Position in Three-Round Burst.............................0009-8
Figure 4. Firing of First Round ...............................................................0009-9
Figure 5. Movement of Key and Bolt Carrier Assembly .......................0009-9
Figure 6. First Rotation of Burst Cam..................................................0009-10
Figure 7. Action of Automatic Sear.......................................................0009-10
Figure 8. Burst Disconnector in Second Notch ....................................0009-10
Figure 9. Forward Travel of Key and Bolt Carrier Assembly.............0009-11
Figure 10. Firing of Second Round .........................................................0009-11
Figure 11. Rearward Movement of Key and Bolt Carrier Assembly....0009-12
Figure 12. Second Rotation of Burst Cam ..............................................0009-12
Figure 13. Second Round Action of Automatic Sear..............................0009-12
Figure 14. Burst Disconnector in Third Notch.......................................0009-13
Figure 15. Release of Hammer Assembly...............................................0009-13
Figure 16. Firing of Third Round............................................................0009-13
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