Disassembly Of The M240 Machine

Remove components only to replace. Remove cap screws (1) and lock washers (2) from rails (3) and body (4). Discard lock washers (2).

Machine Gun Mag M240c

Remove rails (3) and insulators (5).

M240b Disassembly

1BL0334

UNIT MAINTENANCE OF RECEIVER ASSEMBLY

M240/M240C, NSN N/A, PN 11826192; M240B, NSN N/A, PN 12976834;

M240D, NSN N/A, PN 12977104; M240E1, NSN N/A, PN 12597044;

M240G, NSN N/A, PN 12997566; M240N, NSN N/A, PN 12976834 (cont)_

DISASSEMBLY (cont)

(M240B/M240G): Using a hammer and punch, drive the bipod retaining pin (6) out of the receiver (7). Remove front sling swivel (8) from the left side of receiver.

M240 Side Receiver

(M240B/M240G): Swivel the bipod (9) 90 degrees from the receiver (7). Remove the bipod from the receiver.

M240 Side Receiver

NOTE

Remove spring pin (10) only when replacing button (11). Drive out spring pin (10) and discard. Remove latch button (11).

Machine Gun Mag M240c

(M240/M240C/M240D/M240E1): Remove cotter pin (12) securing extension spring (13) to spring mounting plate (14). Discard cotter pin (12).

Spread coil at slide end (15) of extension spring (12) and rotate to remove.

Cutter Pin Coiling Machine

(M240/M240C/M240D/M240E1): Remove and discard two cotter pins (16). Slide out spring mounting plate (14).

240 Schematics Machine Gun

(M240D/M240E1): Remove pin (17) securing manual control handle (18) to charger slide (19), and remove manual control handle (18). Discard pin (17).

Machine Gun Mag M240c

UNIT MAINTENANCE OF RECEIVER ASSEMBLY M240/M240C, NSN N/A, PN 11826192; M240B, NSN N/A, PN 12976834; M240D, NSN N/A, PN 12977104; M240E1, NSN N/A, PN 12597044; M240G, NSN N/A, PN 12997566; M240N, NSN N/A, PN 12976834 (cont)

(M240B/M240D/M240E1/M240G/M240N): Drive out headless straight pin (20) and remove rear sight assembly (21), rear sight plunger (22), and helical compression spring (23).

240 Schematics Machine Gun

Turn receiver (7) upside down, depress rear tang of access cover (24) and slightly move it toward breech end.

M240n Machine Gun

Turn receiver (7) over and slide access cover (24) out through breech end of receiver.

M240b Disassembly

(M240B/M240D/M240G/M240N): Inspect bipod assembly (9) for cracks and bends. Ensure legs move freely on bipod socket swivel.

(M240B/M240D/M240G/M240N): Inspect sling swivel for cracks or wear. Replace if damaged.

Picture Broken M240b
8
1BL0100

UNIT MAINTENANCE OF RECEIVER ASSEMBLY M240/M240C, NSN N/A, PN 11826192; M240B, NSN N/A, PN 12976834; M240D, NSN N/A, PN 12977104; M240E1, NSN N/A, PN 12597044; M240G, NSN N/A, PN 12997566; M240N, NSN N/A, PN 12976834 (cont)

Visually check receiver (7) for damage. Ensure ejection port cover (25) operates properly (M240B). If receiver (7) is damaged, or ejection port cover (25) does not operate properly (M240B), notify direct support maintenance.

M240b Disassembly

Check access cover (24) for breaks or bends. Replace if bent or broken.

Check for retention of latch assembly (26) to receiver. If latch assembly (26) is missing or fails to function, evacuate to direct support. Replace cap (10) and spring pin (11) if missing/broken to point of allowing contact to metal or cracked sufficiently to cause cuts/catch on clothing.

(M240B): Inspect forward rail assembly (29) for loose, missing, or damaged parts. Replace screws, washers or insulators if missing or damaged. Tighten cap screws no more than 1/2 turn passed finger tight. Replace rails if damaged to extent that they prevent accessory mounting.

(M240/M240C/M240D/M240E1): Check extension spring (13) for distortion and breaks. Replace if distorted or broken. Check spring mounting plate (32) for distortions and cracks. Replace if distorted or cracked.

(M240/M240C): Check charger cable (30) for broken wire strands or missing rubber handle. Replace if wire strands are broken or rubber handle is missing. If rubber handle is torn or cracked replace assembly.

(M240D/M240E1): Inspect manual control handle (18) and pin (17) for damage. Replace if damaged.

(M240B/M240G/M240N): Inspect manual control handle assembly (31) for damage. Replace if damaged.

Lightly lubricate all metal parts before reassembly. REASSEMBLY

With receiver (7) right side up, install access cover (24). Place solid end in first with bent end of tang (34) pointed downward. Slide cover (24) forward until tang (34) clicks into locked position in receiver (7).

M240 Side Receiver

Turn receiver (7) over and make sure access cover (24) and tang (34) are in correct position.

M240 Side Receiver

(M240B/M240D/M240G): Turn receiver (7) over and install compression spring (23), rear sight plunger (22), and rear sight assembly (33). Align holes in rear sight assembly (33) with holes in receiver (7) and install headless straight pin (20).

M240b Plunger

UNIT MAINTENANCE OF RECEIVER ASSEMBLY M240/M240C, NSN N/A, PN 11826192; M240B, NSN N/A, PN 12976834; M240D, NSN N/A, PN 12977104; M240E1, NSN N/A, PN 12597044; M240G, NSN N/A, PN 12997566; M240N, NSN N/A, PN 12976834 (cont)

REASSEMBLY (cont)

(M240D/M240E1): Install manual control handle (18) to post (35) of charger slide (19), and install new pin (17).

M240 Side Receiver

(M240/M240C/M240D/M240E1): Install spring mounting plate (14) from right side with curved end up. Install new cotter pins (16) with heads up. Spread legs of cotter pins (16) to secure.

M240n Machine Gun

(M240/M240C/M240D/M240E1): Spread rear end (15) of extension spring (13) and hook to charger slide (30). Rotate extension spring (15) and secure new cotter pin (12) in spring mounting plate (14). Spread end of cotter pin (12) to secure.

M240 Side Receiver

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Responses

  • aleisha
    What calliber is an m240?
    8 years ago
  • massawa
    HOW TO REMOVE A BIPOD FOR A 240B?
    8 years ago
  • thomas
    How to take the bipod off the m240b?
    8 years ago
  • dora
    How to disassemble a m240g?
    7 years ago
  • hobson
    How to remove m240B bipod?
    6 years ago
  • dian hunt
    How to disasseble 240b?
    6 years ago
  • Carl
    How to disable a M240B?
    6 years ago
  • Ty
    How to disassemble 240b?
    6 years ago
  • Jessica
    How to take a 240b barrel off?
    5 years ago
  • goytiom
    How to properly remove the barrel from an m240h?
    5 years ago
  • Monika
    How to remove barrel off of 240b?
    5 years ago
  • Adaldrida
    How to remove m240b barrel?
    5 years ago
  • leanna
    How to remove barraell m240h?
    5 years ago
  • SEBASTIAN MANNERHEIM
    How to take a barrel off m240b machine gun?
    4 years ago
  • Mikko
    How to remove the barrle of a M240B?
    4 years ago
  • Hana
    Do you remove bipod on M240?
    4 years ago
  • Curtis
    How to remove a ejector for M240 bolt?
    4 years ago
  • iain
    How to remove sling loop from a m240b?
    4 years ago
  • Afwerki
    What cannot be removed from the m240 receiver?
    4 years ago
  • RORIMAC
    How to remove m240 barrel?
    4 years ago
  • Bonnie
    How to deassembled 240B bipod?
    3 years ago
  • sirja
    How to dissasemble 240b?
    3 years ago
  • Michael
    How to remove barre 240b?
    3 years ago
  • casey
    How to diassemble m240b?
    2 years ago
  • virgilio ferrari
    What is the degrees of the bipod on the m240b?
    8 months ago
  • Grimalda
    How to diassemble m240 b?
    8 months ago
  • cornelia
    When removing the m240 caliber front pin assembly fromt he front slider assemblies. You rotate front?
    23 days ago
  • Peter
    How to replace an m240 charge handle?
    7 days ago
  • Huriyyah
    How to.remove m240 bartel?
    6 days ago

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