Change

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

10. FAILURE TO LOCK WEAPON IN OPEN BOLT POSITION.

Defective safety. If Safety (1) fails to slide properly after cleaning and lubrication, or hold positively in either FIRE position (red band visible) or SAFE position (red band not visible), notify Direct Support Maintenance.

M249 Gas Cylinder Assembly
FIRE POSITION SAFE POSITION

Section V. MAINTENANCE PROCEDURES NOTE

a. When a machine gun is received at organizational maintenance, it must be inspected and if any deficiencies are found, they should be repaired or noted/tagged for repair at the direct support level.

b. All weapons will be clean prior to inspection and repair.

I 2-18.8 Change 2

This task covers:

Disassembly/Inspection/Repair/Reassembly

INITIAL SETUP

Tools and Special Tools

Tool Kit, Small Arms Repairman

SC 5180-95-CL-A07 Tool Kit, Small Arms Repairman USMC TAM No. E2900

Personnel Required

MOS 76Y Supply Clerk/Unit Armorer MOS 2111 Infantry Weapon Repairer (USMC)

Materials/Parts

Cleaner, Lubricant and Preservative (CLP)

(item 1, app D) Wiping Rag (item 3, app D) Solid Film Lubricant (item 7, app D) Masking Tape (item 8, app D) Dry Cleaning Solvent (SD) (item 9, app D)

References

TM 9-1005-201-10 TM 08671A-10/1A

DISASSEMBLY/INSPECTION/REPAIR/REASSEMBLY

DISASSEMBLY/INSPECTION/REPAIR/REASSEMBLY

WARNING

Make certain weapon is cleared and that there is no obstruction in the barrel or chamber.

1. Field strip weapon in accordance with TM 9-1005-201-10/TM 08671A-10/1A.

CAUTION

To avoid damage to equipment do not use dry cleaning solvent on plastic, sealed buffers, etc.

WARNING

Dry cleaning solvent is flammable and toxic. Make sure there is adequate ventilation. Keep away from ignition source. Make sure safety equipment (safety glasses/chemical splash goggles, safety gloves and eye wash station) is available when using this solvent.

2. Occasionally, it may be necessary during unusual conditions to flush out sand and other debris from assemblies and components using Dry Cleaning Solvent (item 9, app D).

3. Visually inspect all parts for damage.

4. Inspect external surfaces for proper finish (surfaces should not reflect light). Touch-up as required with Solid Film Lubricant (item 7, app D). Mask off areas that do not require touch-up, using Masking Tape (item 8, app D).

5. Repair as authorized and lightly lube all metal surfaces with CLP (item 1, app D) and Wiping Rags (item 3, app D) except as noted.

6. Reassemble in accordance with TM 9-1005-201-10/TM 08671A-10/1A.

WARNING

Barrel Assemblies or Bolt Assemblies must NOT be interchanged with other M249 Machine Guns unless they have been checked for proper headspace by Direct Support Maintenance.

DISASSEM BLY/INSPECTION/REPAIR/REASSEMBLY (Cont).

NEW STYLE BARREL

NEW STYLE BARREL

M249 Drive SpringButtstock For M249

BARREL ASSEMBLY, P. 2-30

HEATSHIELD • ASSEMBLY

BUTTSTOCK AND SHOULDER ASSEMBLY OR BUTTSTOCK/BUFFER COVER & FEED ASSEMBLY OR STOCK, MECHANISM GUN, SHOULDER:M5 P. 2-38.2 ASSEMBLY

GAS CYLINDER ASSEMBLY P. 2-42

BARREL ASSEMBLY, P. 2-30

HEATSHIELD • ASSEMBLY

GAS CYLINDER ASSEMBLY P. 2-42

SLING AND SNAP HOOK ASSEMBLY P. 2-48

Homemade Gun Machine Gun

RETURN ROD AND TRANSFER MECHANISM ASSEMBLY OR ROD ASSEMBLY, OPERATING AND DRIVE SPRING P. 2-21

SLING AND SNAP HOOK ASSEMBLY P. 2-48

RETURN ROD AND TRANSFER MECHANISM ASSEMBLY OR ROD ASSEMBLY, OPERATING AND DRIVE SPRING P. 2-21

2-9.1 MAINTENANCE OF COVER AND FEED MECHANISM ASSEMBLY.

This task covers:

Disassembly/Inspection/Repair/Reassembly

INITIAL SETUP

Tools and Special Tools

References

Shop Set, Small Arms, Field Maintenance

TM 9-1005-201-10

SC 4933-95-CL-A11

TM 08671A-10/1A

Tool Kit, Small Arms Repairman

TM 9-4933-273-12&P

USMC TAM No. E2900

Equipment Condition

Personnel Required

Cover and Feed Mechanism Assembly

MOS 45B Small Arms Repairer

on Machine Gun Receiver Assembly

MOS 2111 Infantry Weapon Repairer

DISASSEM BLY/INSPECTION/REPAIR

DISASSEM BLY/INSPECTION/REPAIR

9mm Bsp Machine Gun
0 0

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  • alexa stevenson
    How to build cleaning fire tube machine?
    3 years ago

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