Stdlen I General

These instructions »re In accordance with the maintenance allocation chart and are published for the use of direct and general support and depot maintenance personnel maintaining the 7,62-MM Rifle, M14, M14A1 and Rifle Bipod M2.

1-2. Form» end Records a. General DA Forme and proceduree used for equipment maintenance will be only thoee prescribed in TM 88-760, Army Equipment Record Proceduree.

b. Recommendations for Maintenance Manual Improvements. Report of errors, omissions, and recommendations for improving this publication by the individual user is encouraged. Reports should be submitted on DA Form 2028 (Recommended Changes to DA Publications) and forwarded direct to:

Commanding General Headquarters,

U.S. Army Weapons Command ATTN: AMSWE-SMM-P Rock Island, Illinois 61201

fection II. DISCftlPTION AND DATA

1-9* Description

Refer to TM 9-1005-223-20 for description Rifle M14 refer to figure 1-1; for the 7.62-MM on the rifles. For overall views of the 7.82-MM Rifle M14A1 refer to figure 1-2.

223 Bore Rifles M14 Pics

Figuré 1-t. 7.tt-biM Rift« MîiAi-rigkX front vi*w.

1-4. Tabulated Data

Refer to TM 9-1006-228-20.

CHAPTER 2

DIRECT SUPPORT, GENERAL SUPPORT AND DEPOT MAINTENANCE INSTRUCTIONS Section I. REPAIR PARTS, SPECIAL TOOLS, AND EQUIPMENT

2- 1. Special Tools and Equipment

The special tools and equipment In table 2-1 below are listed in appendix Ö. This tabulation contains only the special tools and equipment necessary to perform the operations described in this manual, is included for Information only, and is not to be used as a basis for requisitions.

2-2. Improvised Tools and Equipment Refer to table 2-2.

2-3. Direct Support, General Support and Depot Maintenance Repair Parts

Direct and general support and depot maintenance repair parts are listed and illustrated In appendix B of this manual.

Tabl* tri. Sptcial Toe it and Equipment

Item

identifying numbêr

Rtfwnnc*

U—

fU-

Par,

BOLT, FIELD TEST: 0615 right lug, 0.576 left lug.

7274799

4, B-ll

3-13

Uaad In conjunction with headtpace gage to determine whether the chamber, bolt, or bolt lug iHti In the receiver ere worn (flg. 3.16).

FIXTURE, MEASURING, TRIGGER FULL:

7273756

NI

3-5

To check trigger pull (Og. 3-2).

GAGE. BREECHBORE: limit O.aiO

7274761

2, B-ll

3-12

To determine the wear of tha bore at origin of the riding (fig. 3-10).

GAGE, FIRING PIN PROTRUSION: cnln 0.044» max 0.060.

7274736

3, B-ll

3-10

To determine the wear on the Qrlng pin tip (flg. 3*7).

GAGE, HEADSPACE: Umit 1.6455

7274790

8. B-ll

3-13

To check the dlttanca between the cartridge and face of bolt (flf. 3-18).

GAGE, PLUG. NOT-GO: 0.5009 die of pLston bole In gat cylinder.

7274756

5, B-ll

3-11

To check diameter of piaton hole In gaa cylinder (fig. 3-13).

GAGE, PLUG, PLAIN CYLINDRICAL: no-go 0.064 die firing pin hole In bolt fee«.

7456406

6, B-ll

3-10

To check diameter of firing pin hole in bolt face {fig. 3-8).

GAGE, SNAP. NOT-GO:

7374757

7, B-ll

3*12

To check diameter of gaa piéton (flg. 3-14).

PLIERS, LOCK NUT FLASH SUPPRESSOR;

7790493

1» B-ll

3-12

To remove and inetaH flea h «uppreieor.

PLIERS, RETAINING RING, BOLT ROLLER:

7799723

B-13

3-10

To lnetall bolt roller on bolt (fig. 3-9).

ALIGNMENT TOOL:

7799705

B.12

3-12

To check alignment of the flaah auppreaaor with the barrel bere (flg. 3-11).

TOOL, RIFLE BOLT: aaaambly anc dlaaaaerobLy

7791607

NI

3-10

To align the cut In the ejector with the extractor bole in the bolt making it poealble to install or remove the extractor <llg. 3-5).

Table 2-2. Improuiwt Tool$ and Equipment

Jtvn

JUftrtnct

Fig.

Para

PUNCH, improvised bolt lock retaining pin.

TEMPLATE, Improvised grenads launcher site locating.

TOOL, improvised burtl feeing and flash suppressor muxzel seat.

ADAPTER, Improvised for blank ammunition firing attachment.

3-12

Remove /install bolt lock spring pin (fig. 3-14).

Utilising Cor marking location of holes for the drilling for the grenade launcher mounting plata (fig. 3-18).

Ussd tor facing muscle end of barrel and munis seat of flash eupprassar, for alignment of flash supprsssor(fig. 3-11).

Usad to dissipate burning volatile gases discharged from the muzzle during firing.

MATERIAL: HANDLE-MILD STiEL

PIN PUNCK-3/32 OWLt ROD (HARDENED)

3/14

O.D45

45 DIG

NOTE: 6-32 x 3/16 ALLEN HEAD SET SCREW V*

3/32

1/16

ALL DIMENSIONS SHOWN ARE IN INCHES

SIDE

WE 10097

FlgurtZ-1. JmprovUtd bolt lock retaining pin punch.

.46to.001

Improvised Bipod

.4601.001

.46to.001

MATERIAL: MILD STEEL OR ALUMINUM.

IMPROVISED TEMPLATE

.4601.001

NOTE: ALL DIMENSIONS SHOWN ME IN INCHES

STOCK *StMIL<i

IMPROVISED TEMPLATE

STOCK *StMIL<i

M14 Steel Bipod

MUZZLE !ND Of RIPUE

TEMPLATE LOCATION FOR MARKING HOLES

Wt 10091

MUZZLE !ND Of RIPUE

TEMPLATE LOCATION FOR MARKING HOLES

Fiffvr* t-t, Imprvvutd grmad* law%ekwr tight locating template

Wt 10091

MEDIUM KNURL

MEDIUM KNURL

M14 Steel Bipod

FINE EMERY CLOTH DISKS 2 TAPPED HOLES 1-32 K 1/2

NOTEt ALL DIMENSIONS SHOWN ARE IN INCHES

FINE EMERY CLOTH DISKS 2 TAPPED HOLES 1-32 K 1/2

MATERIAL - STEEL

WE I00PP

Figurt M-i. Improvutd terrd facing and Hath rupprtitvr mutsU teat tod

hi

5>-

>-

5/32

5/32

--1-25/32--—

OVERALL LENGTH OF t/8 INCH STEEL PIECE IS 5-5/8 INCHES BEFORE BENDING.

ALL DIMENSIONS SHOWN ARE IN INCHES.

Gage Headspace 7274790

END VIEW

SIDE VIEW

IMPROVISED ADAPTER

END VIEW

M14 Blank Adapters

Figure 2-4, Improvittd adaptor for blew* ammunition firing attachment.

TOP VIEW

3/16 DIA. 5/16 LONG DIA. OF HEAD 0.34B HEIGHT OF HEAD 0.147

BLANK AMMUNITION FIRING ATTACHMENT W/ADAPTER MOUNTED

WE 654541

Figure 2-4, Improvittd adaptor for blew* ammunition firing attachment.

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