Shoulder Rest Machine

2. Install tapered end of Grooved Pin (2) into Handguard Body (5), until first notch of Grooved Pin (2) is centered in first Cutout (8) of Handguard Body (5). Install NEW Retaining Clip (1).

M249 Drawing

2-17. MAINTENANCE OF BUTTSTOCK/BUFFER ASSEMBLY OR STOCK, GUN, SHOULDER: M5.

This task covers:

Disassembly/Inspection/Repair/Reassembly

INITIAL SETUP

Tools and Special Tools

References

Tool Kit, Small Arms Repairman

TM 9-1005-201-10

SC 5180-95-CL-A07

TM 08671A-10/1A

Tool Kit, Small Arms Repairman

USMC TAM No. E2900

Equipment Condition

■ Buttstock/Buffer Assembly or Stock,

Personnel Required

1 Gun, Shoulder: M5 removed.

MOS 76Y Supply Clerk/Unit Armorer

MOS 2111 Infantry Weapon Repairer

Materials/Parts

(USMC)

Washer 12556946

DISASSEMBLY/INSPECTION/REPAIR/REASSEMBLY

NOTE

For easy removal/installation of Shoulder Rest (1), Buttstock/Buffer Assembly (2) should be placed on machine gun. Use same procedure for Stock, Gun, Shoulder: M5 (collapsible).

1. Grasp Shoulder Rest (1) with both hands, spread and separate from Buttstock/Buffer Assembly (2). Replace if damaged.

2. Remove Buttstock/Buffer Assembly (2) from Receiver (3). Inspect for cracks or other damages.

3. Remove Screw (4), Washer (5), and Buttplate (6) from Buttstock (2). Discard Washer (5). Inspect Buttplate (6) for dents, burrs, broken Tabs (7), and cracked Sling Swivel Hole (8). Inspect Screw (4) for missing or damaged threads. Replace damaged components.

4. Visually inspect Pivot Tab (9) and hole for cracks and breaks. If damaged, notify Direct Support Maintenance.

5. Inspect Buffer Plunger (10) for spring tension and oil leaks on face of Backplate (11). If

5. Inspect Buffer Plunger (10) for spring tension and oil leaks on face of Backplate (11). If

M249 Buffer

6. Reassemble Screw (4), NEW Washer (5), and Buttplate (6) to Buttstock/Buffer Assembly (2).

7. Spread Shoulder Rest (1) apart with both hands and place into position on Buttstock/Buffer Assembly (2). Use same procedure for old buttstock assembly (tubular type).

2-18. MAINTENANCE OF TRIGGER MECHANISM ASSEMBLY

This task covers:

Disassembly/Inspection/Repair/Reassembly

INITIAL SETUP

Tools and Special Tools

References

Tool Kit, Small Arms Repairman

TM 9-1005-201-10

SC 5180-95-CL-A07

TM 08671A- 10/1A

Tool Kit, Small Arms Repairman

USMC TAM No. E2900

Equipment Condition

Box Spanner 9350031

Trigger Mechanism removed.

Personnel Required

MOS 76Y Supply Clerk/Unit Armorer

MOS 2111 Infantry Weapon Repairer

(USMC)

DISASSEMBLY/INSPECTION/REPAIR

4. Drive out Spring Pin (8) and discard.

5. Remove Plate (9) and Closure Locking Clip (10).

6. Visually inspect Plate (9) for bends or cracks and Closure Locking Clip (10) for bends or breaks. Replace Plate Assembly (1) if either part is damaged or missing.

7. Visually inspect Pistol Grip (4), and replace if cracked or broken.

8. Visually inspect Trigger Mechanism (6) for missing parts, damaged holes or burrs. Inspect for bent, broken or improperly assembled sear spring. The leg of the sear spring must be behind the trigger pin to function properly and not between the trigger and the trigger pin. Notify Direct Support Maintenance if damaged, incomplete or improperly assembled.

M249 Bevfitchett

Was this article helpful?

0 0

Post a comment