Caution

The use of gasoline kerosene benzene (benzol) household cleaners or high pressure water, steam, or air for cleaning the weapon is prohibited. Use only authorized cleaning materials (WP 0060 00). Immediately after firing (or as soon as possible) thoroughly clean and lubricate the weapon to maintain reliability and combat effectiveness. Follow procedures in this work package. Small arms chamber cleaning brush (item 8, WP 0060 00) Small arms cleaning cotton swab (item 27, WP 0060 00) Solid film...

Corrective Action

Glock Exploded View

Check for bent, broken, or cracked T-slot (2), or cracked, broken, or pitted recoil plate (3). Replace defective bolt subassembly (WP 0025 00). Step 3. Check for burred, scored, loose, or deformed cam (4). Replace defective subassembly cover (WP 0027 00). 3. BOLT WILL NOT LOCK. Step 1. Check for chipped, cracked, broken, or improperly assembled breech lock (1). Replace defective breech lock (1) (WP 0013 00) or install properly.

General

This manual has been prepared and illustrated to provide unit and direct support maintenance all the information required to support the M2 machine gun. To locate a work package (WP) of the manual quickly, check the Table of Contents in the front of the manual or the alphabetical index in the back of the manual. a. References are to work packages in this manual or to other publications. b. Throughout this manual, text is keyed to the illustrations by use of numbered callouts. When an item is...

Indexes

This manual is organized to help you quickly find the information you need. There are several useful indexes a. Table of Contents. The table of contents lists, in the order of presentation, all chapters, work packages, and alphabetical index and gives the work package sequence numbers. b. Alphabetical Index. This index, located at the back of the book, is an extensive subject index for the entire manual. The page numbers following each entry tell you where to find a particular subject in the...

Note

If unable to install bolt assembly (18), perform the next step. 7. Remove barrel extension assembly (15) and barrel buffer assembly (14) from the receiver (8). Install bolt assembly (18) into barrel extension assembly and barrel buffer assembly then install into the receiver. 8. Raise bolt latch (19) and push bolt assembly (18) into receiver (8). 9. Align hole (20) in bolt assembly (18) with bolt stud hole (21) in receiver (8) and install bolt stud (22) in hole in bolt assembly.

Supporting Information

Contains a list of other manuals you might need to do your job. b. Maintenance Allocation Chart. Contains equipment group number, component or assembly name, maintenance function (service, repair, replacement, inspection, or tests), maintenance level (Unit, Direct Support, and General Support maintenance), tools and equipment, and remarks (any helpful information to help you get the job done right). c. Repair Parts and Special Tools List. Contains assembly breakdown (figure),...

Table Of Contents

CHAPTER 1 - DESCRIPTION AND THEORY OF OPERATION CHAPTER 2 - UNIT TROUBLESHOOTING PROCEDURES CHAPTER 3 - DIRECT SUPPORT TROUBLESHOOTING PROCEDURES CHAPTER 4 - UNIT MAINTENANCE INSTRUCTIONS Preventive Maintenance Checks and Services (PMCS) 00 Preventive Maintenance Checks and Services, Marking of Small Arms, Pre-embarkation Inspection of Materiel in Units for Overseas 00 CHAPTER 5 - DIRECT SUPPORT MAINTENANCE INSTRUCTIONS Changing Machine Gun from Left Hand Feed to Annual Gaging and Spring...

Warning

Helical Coil Launcher

To avoid injury to your eyes, use care when removing or installing spring-loaded parts. 15. Remove spring pin (38), slide lock catch (39), and helical compression spring (40) from channel housing (2). 16. Remove spring pin (41), slide lock pawl lever (42), two helical compression springs (43 and 44), and slide lock pawl (45) from channel housing (2). 1. Check for missing, damaged, or worn parts. 2. Check springs for collapsed coils. 3. If channel housing is damaged, repair is by replacement of...

Weapon Will Not Feed Continued

Check drive spring rod assembly (14) for defective rod and springs (15). See PMCS (WP 0010 00, item 5). Replace defective drive spring rod assembly (14) (WP 0013 00). 2. ROUND WILL NOT CHAMBER. Step 1. Check for defective T-slot (1) in bolt (2). See PMCS (WP 0010 00, item 5).

Corrosion Prevention And Control

Corrosion Prevention and Control (CPC) of materiel is a continuing concern. It is important that any corrosion problems with this item be reported so that the problem can be corrected and improvements can be made to prevent the problem in future items. While corrosion is typically associated with rusting of metals, it can also include deterioration of other materials such as rubber and plastic. Unusual cracking, softening, swelling, or breaking of these materials may be a corrosion problem. If...

Weapon Will Not Fire Continued

Disassemble Cal Machine Gun

Check for burred or broken sear (6). Ensure sear notch (7) has a sharp edge and is not chipped or broken. Check for elongated, broken, or collapsed coils on sear spring (8). Replace defective sear (6) or sear spring (8) (WP 0016 00). Step 5. Check for burred, broken, cracked, or bent firing pin (9). Replace defective firing pin (WP 0025 00). 5. WEAPON WILL NOT UNLOCK. Step 1. Check for chipped, cracked, broken, or improperly assembled breech lock (1). Replace defective breech lock (1)...

Liu

The machine gun will be turned in as unserviceable if a 0.010 in. feeler gage passes through the areas between the rivets. Inspection points are indicated as (4). 5. With the receiver lying on a table in a normal upright position, and standing to the rear (the normal firing position) of the receiver, using hands only, attempt to move riveted components forward and to the rear, and up or down. The rivets that hold the components may turn and be loose (no missing rivets allowed) however, receiver...

Table Of Contents Continued

Rear Cartridge Stop Assembly (Flex, Left Hand Feed) 0033 00 Pre-Embarkation Inspection of Materiel in Units Alerted for Illustrated List of Manufactured 00 0039 00 Introduction for Standard Format Maintenance Allocation Maintenance Allocation Chart for M2 Machine Gun 0041 00 Introduction to Repair Parts and Special Tools List (RPSTL) 0043 00 GROUP 01, Flex and M48 Turret Type Caliber .50 M2 0101, 0110, Machine Gun 7265636 and 12002953 Flash 0111, 0112 Suppressor 7162072 Adjustable Trigger Lever...

Sw361-ao-mmo-010

This technical manual includes Unit and Direct Support Maintenance a Repair Parts and Special Tools List (RPSTL) for use by Army, Air Force, Marine Corps, and Navy and a Maintenance Allocation Chart (MAC). b. Equipment Name and Model Number. Machine Gun, Caliber .50 M2 barrel, flexible type, and M48 turret type, soft mount, and fixed type machine guns. For application and use of gun mounts, refer to TM 9-1005-245-13& P. Marine Corps users refer to TM 08686A-13& P 1 for...

List Of Effective Pageswork Packages

NOTE The portion of text affected by the changes is indicated by a vertical line in the outer margins of the page. Changes to illustrations are indicated by miniature pointing hands. Changes to wiring diagrams are indicated by shaded areas. Date of issue for original pages work packages is TOTAL NUMBER OF PAGES FOR FRONT AND REAR MATTER IS 30 AND TOTAL NUMBER OF WORK PACKAGES IS 60 CONSISTING OF THE FOLLOWING *Zero in this column indicates an original page or work package. HEADQUARTERS,...

Bolt Will Not Lock Continued

Check for burred, cracked, chipped, or broken buffer accelerator (2) or broken or collapsed Replace defective buffer accelerator (2) or spring (3) (WP 0026 00). Step 3. Check for burred, broken, or bent accelerator stop (4). Replace defective accelerator stop (4) (TM 9-1005-213-10). Step 4. Adjust breech lock cam (5) (WP 0034 00), if required, and or check for burred, scored, or deformed breech lock cam. Replace defective breech lock cam (5) (WP 0034 00).

Weapon Will Not Extract Continued

Guns With Bent Barrel

Check for burrs on bolt assembly (2) and inside of receiver (3) which may cause insufficient recoil. Remove burrs and reassemble (WP 0013 00). 7. WEAPON WILL NOT EJECT. Check for burred, broken cracked, or bent firing pin (1). Replace defective firing pin (1) (WP 0025 00). 8. WEAPON WILL NOT COCK. Step 1. Check for burred, bent, or broken cocking lever (1) or cocking lever pin (2). Replace defective cocking lever (1) or cocking lever pin (2) (WP 0016 00).

Reporting Errors And Recommending Improvements

You can help improve this publication. If you find any mistakes or if you know of a way to improve the procedures, please let us know. Submit your DA Form 2028 (Recommended Changes to Publications and Blank Forms), through the Internet, on the Army Electronic Product Support (AEPS) website. The Internet address is http aeps.ria.army.mil. If you need a password, scroll down and click on ACCESS REQUEST FORM. The DA Form 2028 is located in the ONLINE FORMS PROCESSING section of the AEPS. Fill out...

Lists

Metric US Customary Measurement Chart. Measurements in this manual are given in both metric and US customary units. The table inside the back cover compares metric measurements to their equivalent US customary units. Also provided are conversion factors to convert metric units to US customary units. b. Nomenclature Cross-Reference List. Throughout this manual, most items are referred to by their official nomenclature. In the list, the items referred to by their common names are listed...

Maintenance Procedures

Initial Setup is a list of everything needed in order to do maintenance on one part of the weapon. Tools and Special Tools Lists tools needed to perform maintenance. Materials Parts Lists expendable durable materials and 100 replaceable parts. Each material or part is followed by a part number or work package reference. If more than one part is needed, the quantity needed precedes the part number or reference. Personnel Required Lists the number of personnel needed when more...

Bolt Will Not Lock

Check bolt assembly (1) for excessively worn, broken, or improperly assembled accelerator stop (2). Replace broken, excessively worn accelerator stop (2) (TM 9-1005-213-10) or install accelerator stop properly. Step 2. Check bolt assembly bottom slot that matches up with the breech lock in barrel extension. Check for burrs, cracks, or chipping. Replace accelerator stop (2) (TM 9-1005-213-10). Step 3. Check for proper operation of bolt assembly (1).

Weapon Will Not Extract

Higgins Model 103 229 Schematic

Check for defective (pitted) chamber (1). Replace barrel assembly (WP 0013 00). Step 2. Check for burrs on rails (2) of barrel extension assembly. Remove burrs. Step 3. Check for burrs on rails (3) of bolt assembly. Remove burrs. Step 4. Check for broken T-slot (4) in bolt. Notify Direct Support Maintenance. Step 5. Check barrel locking spring (5). See PMCS (WP 0010 00, item 3). Notify Direct Support Maintenance.

1005-00-322-9715

1005 322 9715

Machine thread plug must not protrude more than one thread or below flush. 7. Install helical compression spring (21) and headless shoulder pin (22) in machine thread plug (23). Screw machine thread plug into backplate (4). Tighten plug until tight. Back off only until headless shoulder pin is aligned in notch. 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)...

Weapon Will Not Fire

Guns With Bent Barrel

Check for bent cracked drive spring rod assembly (1), broken cracked pin (2), broken cracked or collapsed coils on rod springs (3). Replace defective drive spring rod assembly (1) (WP 0013 00). Step 2. Check for bent cracked or broken trigger (4). Replace defective trigger (4) (WP 0022 00 (Flex) or WP 0024 00 (M48)). Step 3. Check for burred, broken cracked, or bent cocking lever (5). Replace defective cocking lever (5) (WP 0016 00).

Reporting Equipment Improvement Recommendations

If your howitzer needs improvement, let us know. Send us an EIR. You, the user, are the only one who can tell us what you don't like about your equipment. Let us know why you don't like the design or performance. Put it on an SF 368 (Product Quality Deficiency Report). Army users mail it to us at ATTN AMSTA-LC-QAW-C, TACOM-ARDEC, 1 Rock Island Arsenal, Rock Island, IL 61299-7300. We will send you a reply. Air Force users submit Materiel Deficiency Report (MDR) and Quality Deficiency Report...

Warning Summary Continued

Never attempt to lift machine gun by backplate group assembly in the upright position. Do not close top cover assembly when bolt is in a rearward position as damage may occur when bolt goes forward. Never remove backplate assembly from any weapon until the weapon has been cleared, and the bolt is in forward position. Stand to one side when removing backplate assembly. Ensure bolt is in the forward position before removing backplate assembly. Stand to the side of the weapon when removing the...

Oil Buffer Browning M2

Cal Oil Buffer Assembly

Ensure helical compression spring is in recess of extractor. 5. Install helical compression spring (10) and cartridge bolt ejector (11) in extractor (12) and secure with new headed pin (13). Cartridge bolt ejector must pivot freely. Peen metal of headed pin to secure cartridge bolt ejector. 6. Refer to operator's manual (TM 9-1005-213-10) for further reassembly of bolt assembly. END OF WORK PACKAGE MACHINE GUNS, CALIBER .50 M2, HEAVY BARREL FLEXIBLE, W E (1005-00-322-9715) M48 TURRET TYPE...

Weapon Will Not Feed

Browning Pawl Pin

Check for burred, broken, or bent belt feed lever 1 , broken or bent shoulder pin 2 , or broken or collapsed coils on spring 3 . Replace defective belt feed lever 1 , shoulder pin 2 , or spring 3 on cover assembly WP 0017 00 . Step 2. Check for burred, broken, or bent belt feed slide assembly 4 broken or bent stud 5 burred, broken, or cracked belt feed pawl 6 bent or missing pins 7 broken or collapsed coils on spring 8 or broken or cracked belt feed pawl arm 9 . Replace defective belt...

Weapon Will Not Eject

Glock Exploded View

Check for defective firing pin 1 . See PMCS WP 0010 00, item 6 . Notify Direct Support Maintenance. Step 2. Check for burrs in T-slot 2 . See PMCS WP 0010 00, item 5 . Notify Direct Support Maintenance. Step 3. Check for defective ejector spring 3 . Notify Direct Support Maintenance. Step 4. Check for defective bolt ejector 4 . See PMCS WP 0010 00, item 6 . Notify Direct Support Maintenance.

Principles Of Operation

Machine Gun Barrel Extension

Composed of barrel 1 and barrel carrier assembly 2 . Barrel carrier assembly permits quick removal or installation of barrel and is secured to locking and retaining grooves of barrel. Backplate Assembly 3 . Houses the trigger 4 and buffer tube. The trigger safety acts as a positive block for manual operation of the trigger. The backplate assembly is located at the rear portion of the receiver assembly. The safety 5 is located at the top of the backplate assembly M48 and...

Ujluip Uu J L

Barrel Stop Screw

Install rear sight assembly 39 on top of receiver 2 and secure front end with two machine screws 40 Flex only . 19. Install adjustable trigger lever stop assembly 41 inside receiver 2 and align locating holes in receiver and rear sight assembly 39 . Install externally relieved screw 42 to secure rear sight assembly and adjustable trigger lever stop assembly to receiver Flex only . 20. Stake two machine screws 40 and externally relieved screw 42 Flex only . 21. Install cover plate 43 on top...

M2 Machine Gun Barrel Chipped Grove

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...

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.

M2 .50 Cal Parts Diagram Retracting Slide

Bolt Charger Stud Assembly

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...

Flexible We Eic Ag M Turret Type Eic Ab Soft Mount Navy Fixed Type Right Hand Feed Navy Fixed Type Left Hand Feed Navy

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,...

Weapon Will Not Unlock

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...

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...

M2 .50 Cal Trunnion Block

Heavy Barrel Breakdown

Select trunnion block shim thickness to attain a handtight position between 20 to 55 from the locked position. 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 PREPARATION FOR STORAGE OR SHIPMENT Barrier material item 2, WP 0060 00 Cushioning material item 15, WP 0060 00 Fiberboard item 17, WP 0060 00...

How To Remove An M2 Heavy Barrel

Barrel Cal Machine Gun

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...

M2hb Barrel Buffer

Cal Machine Gun Diagram

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...

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

Lock Casing Maxim Machine Gun

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

Browning Machine Gun Backplate

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 .

M2 Oil Buffer Old Style Disassembly

Heavy Machine Gun

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...