Note Xck
Unless otherwise stated, maintenance is to be performed on a quarterly basis. An inactive machine gun M.G. is a M.G. which has been stored in an arms room for a period of 90 days without use. The M.G. may or may not have been assigned to an individual. An inactive M.G. shall receive quarterly PMCS unless inspection reveals more frequent servicing is necessary. Normal cleaning PMCS of an inactive M.G. will be performed every 90 days. Should the unit armorer detect corrosion on a M.G. prior to...
Note Xnc
Disregard the ring located approximately 8 to 10 inches 20.32 to 25.40 cm from the breech end. This is a gap which allows for expansion when the barrel gets hot from firing of the stellite liner lined barrel PN 7266131 . Check chamber 3 for pits, bulges, metal fouling, and rings. Pits, bulges, metal fouling, or rings are present. Pits, bulges, metal fouling, or rings are present. Table 1. Unit Preventive Maintenance Checks and Services for Machine Gun, M2 - Continued. Table 1. Unit Preventive...
Note Xfr
Remove barrel support and or machine thread bushing only if repair or replacement is required. 1. Pull and rotate headless shoulder pin 1 one-quarter turn, out of engagement of barrel support 2 . 2. Remove barrel support 2 and trunnion block shim 3 from receiver 4 . 3. Remove cotter pin 5 , releasing headless shoulder pin 1 and helical compression spring 6 . Discard cotter pin and helical compression spring. 4. Remove setscrew 7 and machine thread bushing 8 from receiver 4 . Discard setscrew....
Differences Between Models
Table 1. Differences Between Models. Table 1. Differences Between Models. Work packages in this manual pertain to all models unless specified in the Applicable Configurations portion of the Initial Setups. Where work packages pertain to all models, the Flex type only is illustrated.
Corrective Action Iuz
Step 5. Check for burred, broken, or cracked front cartridge stop 14 or rear cartridge stop assembly 15 . Repair WP 0033 00 or replace WP 0013 00 defective rear cartridge stop assembly 15 . Replace defective front cartridge stop 14 WP 0013 00 . Step 6. Check for broken flat spring 16 . Ensure flat spring has retained its tension. Check for burred or broken cover latch 17 . Replace defective flat spring 16 or cover latch 17 on cover assembly WP 0027 00 . Step 7. Check for broken or collapsed...
Note Qby
Be sure charger bolt cover is installed to the channel housing in the correct position for mounting to the machine gun. 21. Install charger bolt cover 44 on channel housing 2 , aligning forks of charger bolt cover with channel housing 2 and release lever 14 . MACHINE GUNS, CALIBER .50 M2, BARREL FLEXIBLE, W E 1005-00-322-9715 M48 TURRET TYPE 1005-00-957-3893 SOFT MOUNT 1005-01-343-0747 FIXED TYPE RIGHT HAND FEED 1005-00-122-9339 FIXED TYPE LEFT HAND FEED 1005-00-122-9368 MAINTENANCE OF M2...
Warning Jcj
To avoid injury to your eyes, use care when removing and installing spring-loaded parts. 2. Remove belt holding pawl pin 6 , belt holding pawl assembly 7 , and belt holding pawl springs 8 from left side of receiver 2 and install belt holding pawl springs, belt holding pawl assembly, and belt holding pawl pin on right side of receiver. 3. Install front cartridge stop 5 , link stripper 9 , and cartridge stop 10 to left side of receiver 2 , and secure with belt holding pawl pin 3 .
Warning Oik
To avoid injury to your eyes, use care when removing or installing spring-loaded parts. 1. Install slide lock pawl lever 1 in channel housing 2 . Position spring pin 3 through one side of both channel housing and slide lock pawl lever. Install slide lock pawl 4 and helical compression spring 5 . Drive spring pin through, securing to channel housing. Install helical compression spring 6 . 2. Install helical compression spring 7 and slide lock catch 8 in channel housing 2 and secure with spring...
Note Wtz
Cartridge stop for blank ammo is different longer than cartridge stop for live ammo. Ensure cartridge stop is changed when firing blank or live ammo. Check if front cartridge stop 1 RH feed front cartridge stop 1 LH feed is broken, tight fitting, or incorrectly assembled. Check if link stripper 2 RH feed only is broken, tight fitting, or incorrectly assembled. Check if rear cartridge stop 3 RH feed only rear cartridge stop assembly 4 LH feed only is broken, tight fitting, or incorrectly...
Note Pwr
The first two steps are for riveted backplates only. Rivets will be replaced by headed pins and lock pins at assembly. 1. Remove two solid rivets 1 and frame 2 from backplate 3 . Discard solid rivets. 2. Remove two solid rivets 1 and frame 4 from backplate 3 . Discard solid rivets. 3. Remove two lock pins 5 , two headed straight pins 6 , and frame 2 from backplate 3 . 4. Remove two lock pins 5 , two headed straight pins 6 , and frame 4 from backplate. 1. Check for out-of-round holes. Check for...
Note Omu
All locations taken from gunner's perspective. 3. Chipped or cracked metal on the first partial thread bolt side may be removed by hand stoning provided the chip or crack does not visibly extend beyond the root of the thread. 4. Chipped or cracked metal on the last partial thread barrel side may be removed by hand stoning provided the chip or crack does not visibly extend beyond the root of the thread. 5. The remaining full threads in the barrel extension shall exhibit not more than one chip or...
Warning Jxt
Do not attempt to remove backplate assembly unless the bolt is in the forward position. Do not stand behind weapon while removing backplate assembly. 3. Ensure bolt latch release lock 7 is in unlocked semi-automatic position. The bolt latch release 8 must be in the up position not locked down Flex machine gun only . 4. Pull back plate latch lock 9 straight back, lifting up on backplate latch 10 . Raise backplate assembly 11 straight up and remove from receiver 5 .
Warning 1
DO NOT keep live ammunition near work maintenance area. Be sure to clear weapon before disassembling, cleaning, inspecting, transporting, or storing. Clearing consists of unloading the machine gun and visually inspecting weapon and chamber to ensure all rounds have been removed. Do not release the bolt or press the trigger. Report all discrepancies in accordance with instructions in DA PAM 738-750. Marine Corps personnel use SL 1-2 SL MACHINE GUNS, CALIBER .50 M2, BARREL FLEXIBLE, W E...
Corrective Action 1
Step 5. Check for defective belt feed pawl 11 . See PMCS WP 0010 00, item 4 . Replace defective belt feed pawl 11 WP 0017 00 . Step 6. Check for defective belt feed slide assembly 9 . See PMCS WP 0010 00, item 4 . Replace defective belt feed slide assembly 9 WP 0017 00 . Step 7. Check for defective belt holding pawl springs 12 . Replace defective belt holding pawl springs 12 WP 0013 00 . Step 8. Check for defective deformed extractor switch spring 13 . Check for proper crisp spring action.
Note Skn
Ensure trigger lever is aligned directly under timing nut 4 . 3. Align hole in trigger lever 2 with mounting hole in receiver 3 . 4. Place trigger lever pin 5 , loop end vertical, in assembly hole on left side plate of receiver 3 . 5. Match key on trigger lever pin 5 with keyway in side plate of receiver 3 and install trigger lever pin completely. 6. Rotate trigger lever pin 5 90 degrees to lock securely in place, and fold down out of the way. 7. Check that trigger lever 2 moves freely.
Note Qta
Ensure barrel is installed properly TM 9-1005-213-10 . 15. Load five or more linked dummy rounds and hand operate weapon with feed tray in the closed position to ensure all components are functioning properly. Weapon should function through a complete cycle. MACHINE GUNS, CALIBER .50 M2, HEAVY BARREL FLEXIBLE, W E 1005-00-322-9715 M48 TURRET TYPE 1005-00-957-3893 SOFT MOUNT 1005-01-343-0747 FIXED TYPE RIGHT HAND FEED 1005-00-122-9339 FIXED TYPE LEFT HAND FEED 1005-00-122-9368 ANNUAL GAGING AND...
Flexible We Eic Ag M Turret Type Eic Ab Soft Mount Navy Fixed Type Right Hand
SUPERSEDURE NOTICE This manual supersedes TM 9-1005-213-23, dated 30 August 1994 TM 9-1005-213-23P, dated 30 August 1994 and TM 9-1005-213-25, dated 8 July 1968, including all changes. DISCLOSURE NOTICE This information is furnished upon the condition that it will not be released to another nation without the specific authority of the Department of the Army of the United States, that it will be used for military purposes only, that individual or corporate rights originating in the information,...
Note Was
Tee-head shoulder bolts and plain slotted nuts will be repositioned and tightened when retracting slide assembly is installed on receiver WP 0021 00 . MACHINE GUNS, CALIBER .50 M2, BARREL FLEXIBLE, W E 1005-00-322-9715 M48 TURRET TYPE 1005-00-957-3893 SOFT MOUNT 1005-01-343-0747 FIXED TYPE RIGHT HAND FEED 1005-00-122-9339 FIXED TYPE LEFT HAND FEED 1005-00-122-9368 MAINTENANCE OF M2 MACHINE GUN - M10 CALIBER .50 GUN CHARGER DISASSEMBLY, INSPECT REPAIR, ASSEMBLY This work package appli es only to...
Note Ysm
Plain round nut and cotter pin will be installed when bolt latch assembly is installed. Refer to WP 0021 00 for installation of bolt latch assembly and WP 0020 00 for inspection of bolt latch assembly clearance between machine bolt 2 head and left side plate of receiver. MACHINE GUNS, CALIBER .50 M2, BARREL FLEXIBLE, W E 1005-00-322-9715 M48 TURRET TYPE 1005-00-957-3893 SOFT MOUNT 1005-01-343-0747 FIXED TYPE RIGHT HAND FEED 1005-00-122-9339 FIXED TYPE LEFT HAND FEED 1005-00-122-9368 MAINTENANCE...
Weapon Will Not Unlock
Step 1. Check for obstruction in receiver group. Remove obstruction. Step 2. Check for damaged breech lock 1 or breech lock cam 2 . Check for improper assembly of breech lock. See PMCS WP 0010 00, items 3 and 15 . Replace defective breech lock 1 WP 0013 00 or install breech lock properly. Notify Direct Support Maintenance if breech lock cam 2 is damaged. Step 3. Check bolt assembly bottom slot that matches up with the breech lock 1 in barrel extension for burrs, cracks, and chipping. Bolt...
Warning Summary
All M2 machine guns must be inspected and gaged at least once annually for safety and serviceability. Air Force users refer to inspection requirements in Air Force Regulation AFR 50-36 and Air Force Pamphlet AFP 50-63, Volume 1. All Army Reserve and National Guard M2 machine guns must be inspected and gaged at least once every two years, after the initial inspection gaging procedures have been accomplished. This two year interval may be maintained unless preventive maintenance checks and...
Warning Daz
Never remove the backplate assembly from any weapon until the chamber has been cleared and the bolt is in forward position. Stand to one side when removing backplate assembly. 1. Remove backplate assembly from receiver WP 0013 00 . 2. Remove drive spring rod assembly 1 from bolt assembly 2 . 4. Retract bolt assembly 2 rearward until face of bolt assembly is 1.50 in. 3.81 cm from inside edge of barrel extension assembly 4 . 6. Check clearance between trigger lever 5 and bolt assembly 2 with...
Note Lsc
Hold down on belt holding pawl assembly to prevent loss of springs. 14. Remove belt holding pawl pin 28 , belt holding pawl assembly 29 , and two belt holding pawl springs 30 . 15. Raise loop of trigger lever pin 31 and rotate trigger lever pin until loop is in vertical position. Reach inside receiver 5 and hold trigger lever 32 while removing trigger lever pin. Remove trigger lever. 1. Check for missing, damaged, or worn parts. 2. Check barrel support for cracks. No cracks are allowed....
Note Esm
With rear sight windage screw knob 7 installed, there should be no noticeable lateral movement of setscrew 4 . Folding rear sight assembly leaf 3 must be capable of full lateral adjustment without binding. 5. Install riser 9 and secure with two machine screws 10 . 6. Install rear sight scale dial 11 and secure with two machine screws 12 . 7. Perform functional check TM 9-1005-213-10 . MACHINE GUNS, CALIBER .50 M2, BARREL FLEXIBLE, W E 1005-00-322-9715 M48 TURRET TYPE 1005-00-957-3893 SOFT MOUNT...
Note Fww
The breech bore gage NSN 5120-00-731-9900 that is used for determining the serviceability and remaining life of the unlined barrel is no longer available. It is recommended that the unlined barrel be immediately removed from all nontraining camps, posts, and stations and replaced with the lined barrel. Unlined barrels should ONLY be used for training purposes where M903 and M962 Saboted Light Armor Penetrating SLAP ammunition are not used. It is suggested that each unit should mark their...
Navy Mk26 Mod15
MACHINE GUNS, CALIBER .50 M2, BARREL FLEXIBLE, W E 1005-00-322-9715 M48 TURRET TYPE 1005-00-957-3893 SOFT MOUNT 1005-01-343-0747 FIXED TYPE RIGHT HAND FEED 1005-00-122-9339 FIXED TYPE LEFT HAND FEED 1005-00-122-9368 EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES The caliber .50 machine gun, M2, Barrel, Flexible Is a link-belt fed, recoil-operated, air-cooled, crew-served machine gun. The machine gun is capable of firing single-shot and automatic is capable of right-hand or left-hand...
Note Skv
For both procedures, ensure backplate, drive spring rod assembly, and bolt stud are removed. First procedure is contained in steps 1 and 2. Second procedure is contained in steps 3 through 6. 1. Fabricate a hook-shaped piece of brass rod Figure 1, WP 0038 00 . Place metal hook around the cocking lever, halfway up the cocking lever. If placed higher, the cocking lever will jam. 2. Press down hard on the cocking lever and pull back with several hard pulls of the tool. The bolt should come free of...
Note Cff
The following springs and or parts will be replaced during annual inspection and or gaging for the M2 Machine Gun. Table 1. Annual Gaging and Spring Replacement Parts List For M2 Machine Gun. Table 1. Annual Gaging and Spring Replacement Parts List For M2 Machine Gun.
How To Remove An M2 Heavy Barrel
Test for proper locking of backplate assembly 28 by pulling up on the backplate assembly. 27. Pull backplate latch lock 29 back and pull up on backplate assembly 28 to ensure proper locking. 28. Lift backplate latch 30 up and pull up on backplate assembly 28 to ensure proper locking. 29. Close cover assembly 1 , making sure it latches securely to receiver 3 . Reopen cover assembly. 30. Retract bolt assembly 21 far enough for barrel locking spring lug 31 to center in barrel locking spring hole...
Note Aah
When installing flat spring, be sure that V-notch is pointed down toward the timing adjustment nut. 1. Install flat spring 1 on adjustable trigger lever stop 2 and secure with timing adjustment nut 3 . 2. Perform function test after installation into receiver 4 . The timing adjustment nut 3 shall screw into the adjustable trigger lever stop 2 and shall be held in any position by the flat spring 1 . A distinct audible click should be heard each time the timing adjustment nut is turned. If click...
Note Int
Lock depressors may have slight up and down movement as long as the movement does not cause the weapon to malfunction. Check lock depressors 1 for failure to stay in barrel buffer body or tendency to move sideways slight up and down movement is acceptable . Ensure rivets are not loose. Lock depressors are cracked or broken. Lock depressors pull out or are loose sideways excessive movement is present. Rivets are loose. Check accelerator pin 2 for looseness or wear broken, not set, or collapsed...
Warning Hty
To avoid injury to your eyes, use care when removing or installing spring-loaded parts. 2. Pull down on cover latch flat spring 6 until it can be lifted off stud in subassembly cover 5 . 3. Pry cover extractor flat spring 7 from subassembly cover 5 let cover extractor flat spring rise slowly to remove. 1. Check for missing, damaged, or worn parts. Ensure all parts are present and installed. 2. If subassembly cover is damaged, repair is by replacement of next higher assembly. 3. Repair is by...
Note Nfy
Slide lock pawl lever will engage and disengage the M10 lock selector when the selector is manually operated. When lever is disengaged from the selector, the side lock pawl will lock in rearward position. When the selector is engaged, the slide lock pawl will return to the forward position as the handle is moved toward lever. M10 manual charger is loose when mounted on gun. MACHINE GUNS, CALIBER .50 M2, BARREL FLEXIBLE, W E 1005-00-322-9715 M48 TURRET TYPE 1005-00-957-3893 SOFT MOUNT...
6695-00-197-4421
The L maintenance level is not included in column 4 of the MAC. Functions to this level of maintenance are identified by a work time figure in the H column of column 4 , and an associated reference code is used in the REMARKS column 6 . This code is keyed to the remarks and the SRA complete repair application is explained there. Column 5 Tools and Equipment Reference Code. Column 5 specifies, by code, those common tool sets not individual tools , common Test, Measurement and Diagnostic...
Machine Gun Casing
Items 14, 15, and 16 are not part of new backplate configuration. 6. Using retaining ring pliers, remove external retaining ring 14 and internal retaining ring 15 . Remove ball bearing 16 and backplate 8 from swivel 12 . 7. Remove machine screw 17 and spring pin 18 . 8. Press down on lock-release lever 19 and remove spring return holder 20 with attached parts from channel housing 2 . 9. Remove spring pin 21 . Remove ball end of charger cable assembly 13 from socket of cable guide slide 22 and...
M2 Heavy Barrel Dealer
To avoid injury to your eyes, use care when removing and installing spring-loaded parts. 10. Install drive spring rod assembly 23 in upper right-hand corner hole in bolt assembly 18 . Push forward and to the right until drive spring rod assembly tang engages in hole in side plate of receiver 8 . 11. Install backplate assembly 24 in receiver grooves. Pull backplate latch lock 25 straight back, while lifting up on backplate latch 26 . Lower backplate assembly down until engaged in receiver 8 .
Warning Ykb
Ensure cocking lever is in the rearward position. 2. Check firing pin protrusion through face of fully assembled bolt assembly 1 by using firing pin protrusion gage 2 . Release sear and allow firing pin 3 to extend through bolt face hole. Check that firing pin protrusion is within 0.080 inch 0.203 cm maximum and 0.073 in. 0.185 cm minimum from bolt assembly face. 1. Remove bolt assembly components from bolt 1 TM 9-1005-213-10 . 2. Check firing pin hole 2 in bolt using plug gage 3 . Hole...
Note Jzv
Barrel supports that have the three cooling holes closest to the muzzle end of the machine gun smaller than 1.1775 in. 2.9901 cm in diameter are acceptable. Discard barrel supports that have all cooling holes equal to or greater than 1.1775 in. 2.9901 cm in diameter. 2. Check cooling holes 3 for cracks. Cracks up to 0.0250 in. 0.635 mm maximum in length are permitted at holes. No more than four cracks allowed per support. No more than two cracks allowed in succession in any direction. Original...