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TM 9-1005-229-12

OPERATOR S AND ORGANI ZATI ONAL MAI NTENANCE

MANUAL INCLUDING REPAIR PARTS AND

SPECIAL TOOLS LISTS

SUBMACHINE GUN, CALIBER .45: M3, W/E

(1005-672-1767)

SUBMACHINE GUN, CALIBER .45: M3A1, W/E

(1005-672-1771)

T h i s r e p r i n t i n c l u d e s a l l c h a n g e s i n e f f e c t

a t t h e t i m e o f p u b l i c a t i o n - C h a n g e s 1 a n d 2 .

H E A D Q U A R T E R S , D E P A R T M E N T O F T H E A R M Y

O C T O B E R 1 9 6 9

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Changes in Force: Cl and C2

CHANGE

No. 2

TM 9-1005-229-12C2

HEADQUARTERSDEPARTMENT OF THE ARMY

WASHINGTON, DC, 13 May 1985

Operators and Organizational Maintenance ManualIncluding Repair Parts and Special Tools Lists

SUBMACHINE GUN. CALIBER .45: M3, W/E(1005-00-672-1767)

SUBMACHINE GUN, CALIBER .45:(1005-00-672-1771)

TM 9-1005-229-12, 20 October 1969, is changed as follows:

Title is changed as shown above.

M3A1 , W/E

Page 1-1 Paragraph l-2b. Change address to read: Commander, US Army Armament, Munitionsand Chemical Command, ATTN: AMSMC-MAS, Rock Island, IL 61299-6000.

Page 1-2 Paragraph 1-6. Change last line to read: Maximum Range (Ball 30 elevation) 1760yards or 1609 meters.

Page 3-3 Table 3-2 Preventative Maintenance Checks and ServicesAdd item numbers 1, 7, 8, 9, 10, and 12 in Quarter (Q) Column to indicate quarterly inspectionis necessary.

Page C-3 Paragraph 3k(4), Line 5. Change address to read: Commander, US Army Armament,Munitions and Chemical Command, ATTN: AMSMC-MAS, Rock Island, IL 61299-6000,

Page C-3 Paragraph 3k(4), Line 10. Change address to read: Commander, US Army Armament,Munitions and Chemical Command,

Page C-7 Section V. Repair Parts List. Delete item 7 in its entirety.

Page C-7. The table is changed as shown.

Page C-10 Section VII. Federal Stock Number and Reference Number Cross-Reference to figureand item number. Change Stock Number 1005-716-1911 to 1005-716-1913.

Page C-11 Figure C-11 (M3A1) is changed as shown.

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Figure C-1.

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2 C h a n g e 2

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By Order of the Secretary of the Amy:

Official:

ROBERT M. JOYCE

Major General, United States ArmyThe Adjutant General

JOHN A. WICKHAM, JR.

General, United States ArmyChief of Staff

Distribution: To be distributed in accordance with DA Form 12-40, Operators and

Organizational Maintenance Requirements for Submachine Gun, Caliber .45, M3, M3A1.

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CHAPTER 1

INTRODUCTION

Section I. GENERAL

1-1. Scope and recommendations for improving this publica

This manual contains instructions for the opera- tion by the individual user is encouraged. Re

tor and organizational maintenance of the Caliber ports should be submitted on DA Form 202.45, Submachine Guns, M3 and M3A1. (Recommended Changes to DA Publications

1-2. Forms and Records and forwarded direct to the Commanding Gener

a. General DA forms and procedures usedal, U.S. Army Weapons Command, ATTN

for equipment maintenance will be only thoseAMSWE-SMM-P, Rock Island, Illinois 61201.

prescribed in TM 38-750, Army Equipment Rec-ord Procedures. 1-3. Admin i s t ra t i v e S to rage

b. Recommendations for Equipment Publica- Refer to TM 740-90-1 for Administrative Stotion Improvements. Report of errors, omissions, age.

Section II. DESCRIPTION AND DATA

1-4. Genera l

The Submachine Guns, M3 (fig. l-l) and M3A1(fig. 1-2) are aircooled, blowback-operated, mag-azine-fed, automatic shoulder weapons. They arelight, compact and rugged. The stock is one piece

of formed steel rod which can be telescoped forease of handling and the ends are drilled andtapped for usage as a cleaning rod. The stockcan also be used as a disassembly tool or wrenchand is made so it can be utilized to load the mag-azine. There is no provision for semi-automaticfire, however, because of the low cyclic rate offire the operator can fire single shots throughtrigger manipulation. Both submachine guns arefed fed a magazine which has a capacity of 30rounds. For convenience of maintenance, theweapons are divided into groups and assemblies

which consist of magazine, barrel, gun stock ex-tension. bolt and guide rod group, trigger hous-ing group, trigger and sear group, and receiverassembly.

1-5 . Di f f e renc e Be tw een Mode l s

The Submachine Gun M3A1 is basically the sameas the Submachine Gun M3; however, the differ-ence in the two models is specified in a through cbelow:

a. The housing assembly M3A1 (fig. 1-3) habeen changed in design to eliminate the retractinhandle, spring, lever assembly, and oiler clip. contains the ejector, which is secured to the housing by two rivets.

b. The bolts for the M3 and M3A1 vary in design as shown in figure 1-4. The M3A1 bolt contains a circular cut which permits the cocking othe weapon by retracting the bolt with the fingerIt also contains an ejector groove extending thlength of the bolt. This permits the removal othe bolt and guide rod group without necessitaing the removal of the trigger guard and housing assembly from the weapon. The retractinlever pawl notch has been eliminated and a coverhinge-rivet clearance slot has been added.

c. The receiver assembly M3A1 is designed tincorporate the oiler in the stock. The cove

hinge is riveted and now is part of the receivebody.

1-6. Tabulated Data

Weight of M3 W/Omagazine - - - - - - - - - - - - - -8.O lb

Weight of M3A1w/ o m agaz i ne - - - - - - - - - - - -7.8 lb

Weight of emptymagazine - - - - - - - - - - - - -O.75 lb

1-

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Figure 1-1. Calibm .45 Submachine Gun M3 w/ Flash Hider Assem bly, M9-right

front view.

Weight of full maga -

zine (30 rds) - - - - - - - - - - -2.10 lb

Length :

Stock Ext ended - - - - - - - - - - 29.8 in

Stock Forwaxd - - - - - - - - - - - - 22.8 inBaxrel 8.0 in- - - - - - -- - - - - - - - - - - - -

Rifling:

Nu mb er of land s - - - - - - - - - - - - -- 4.0

Uniform right handtwis t one tu rn in --- - - - - - - -- - - - -16.0 in

Capacity of maga-zine - - - - - - - - - - - - - - - - - - - - -30.0 rd

Sight radius - - - - - - - - - - - - - - - -- - - - -10.9 in

Trigger pull - - - - - - - - - - - - - - - - - - - - -4-l/2 t o 7-1/2 lb

Ope ra ti on - - - - - - - - - - - - - - - - - - - - - - - -- - - Blowba ck

Feed - - - - - -- - - - - - - -- - - - - - - - - -- - - - - -Magazine (30 rd)

Cooling - - - - - - - - -- - -- - - -- - - - - -- - - - Air

Type of Ammu ni-tion - - - - - - -- - - - - - - - - -- - - - - - - - - --- - - -.Ball, Tracer, Dummy

Rate of Fire - - - - - - - - - - - - -- - -- -- - - - -- -350 to 4 60 @s/m

Muzzle Velocity (Ball234 grain Bullet) - - - - - - - - - - - - - - - -920 FP S

Maximum Range (Ball30 elevation) - - - - -- - - - - - - - - - - - -760 yd or 1609

m e t e r s

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Figure 1-2 Caliber .45 Submachine Gun M3A1 w /Flash Hid er Assembly , M9-right front view.

Figure 1-3. M3A1 housing assembly.

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Figure 1-4.TWO t y p e s o f b o lt s .

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CHAPTER 2

OPERATING INSTRUCTIONS

Section I. CONTROLS

2-1. General to insure t he pr oper operation of the Subma chine

a. This section describes the various controlsGun s, Caliber .45, M3 an d M3A1.

and provides the operator sufficient information

Table 9-1. Controls

Control ofinst rument Function Reference

Magazine release catch When depressed, re leases th e Fig 2-1

magazine for loading and un-loading.

Stack ext.ension catch When depressed, re leases th e Fig 2-1

stock extension.S a f t y When cover is closed, prevents Fig 2-2

firing of weapon.

Trigger Controls firing of weapon. Fig 2-1

Figure 2-1. Controls.

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Figure 2-2. Controls.

Section II. OPERATION UNDER USUAL CONDITIONS

2-2. General

Care and cleaning of the submachine gun in-cludes daily preventive maintenance, which is the

ordinary care of the weapon to preserve its condi-tion and appearance when no firing is done. Be-fore firing cleaning insures that the weapon is

safe to fire and is properly lubricated for effi-cient operation and after firing maintenance in-sures that all corrosioninducing agents are com-

pletely removed. For cleaning procedures refer toparagraph 3-12. For lubrication procedures refer

to paragraphs 3-6 and 3-7.2-3. Loading, Firing and Unloading

a. LoadingMagazine. Use the stock extensionas a ha nd loader. Place the but t of stock on topof the magazine, then place the base of the maga-zine on a firm surface. Push down on the stockextension to depress the magazine follower, In-

sert a cartridge, base first, into the magazine.Lift t he stock extension a nd pu sh t he cart ridgeall the way into the magazine. Push down on the

2-2

stock extension, depressing the cartridge andmagazine follower (fig. 2-3 ). Repeat th e opera-tion until the magazine is full.

b. Loading Submachine Gun.

Warning. Care must be exercised to eitherhave the submachine gun raised or pointed downrange when loading.

To load the submachine gun, pull the bolt sharp-ly to the rear (cock), close the cover (lock), jn-

sert the magazine, and push i t upward unti l themagazine catch clicks into the magazine notch

(load).

c. Firing.

Warning. The firer must be sure that the boreof the submachine gun is free from any obstruc-tion in t he bare th at will result in damage to theweapon an d possible injur y to personnel.

To fire the weapon, raise the cover and pull thetrigger. The weapon has no mechanism for semi-automatic fire. However, it is possible to fire sin-

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Figure 2-3. Loading magazine.

gle shots by proper functioning of the trigger,pressing it and then quickly releasing it. It takespractice far a firer to become proficient at firingsingle shots. When the magazine has been emp-tied, the bolt will close on the empty chamber.

Cock the weapon and close the cover, before in-serting another loaded magazine.

Warning. Always keep the cover closed as itlocks the bolt either forward or backward andfunctions as a safety. The submachine gun hasno mechanical means of locking the trigger. Theinsertion of a loaded magazine loads the gun.If the cover is open and the bolt cocked, pres-sure on the trigger will fire the gun. If an un-locked gun is dropped, it may fire whether the

bolt is cocked or not. When firing long burststhe weapon has a tendency to move up and tothe right. The firer can control this tendencyby always taking a correct firing position.

d. Unloading. Remove the magazine, and raisthe cover. If the bolt is forward, pull it to threar. Inspect the chamber (look and feel). Pres

the trigger and allow the bolt to go forward, theclose the cover. At this time the weapon is clear

2-4. Firing Malfunctions and Stoppages

a. Malfunctions. A malfunction is a failure othe weapon to function properly. Malfunctionare classified as defects in the weapon that normally do not cause a break in the cycle of operation.

(1) Sluggish operation of the weapon is usually due to excessive friction caused by dirt, lacof proper lubrication, burred or bent guide rods

or a dent in the receiver. See table 3-3, troubleshooting.

(2) Uncontrolled automatic fire (runawagun) is fire that continues after the trigger habeen released. This may be caused by the following:

(a) A worn sear nose(b) A worn sear notch on the bol(c) A weak or broken trigger spring

b. Stoppage. A stoppage is an unintentionainterruption in the cycle of operation. A stoppage occurs when the submachine gun does nofire when the trigger is squeezed through nfault of the firer. Periodic inspection and propecare and cleaning will reduce the possibility othe submachine gun having a stoppage.

c. Immediate Action in Case of Failure to Fire

(1) AS the first step in reducing a stoppageremove the magazine, retract the bolt, and inspecthe chamber to insure that it does not contain live cartridge or any other obstruction, If there ino obstruction, close the cover, replace the magazine, open the cover, and attempt to fire. If weap

on still does not fire, check to see whether a livcartridge has chambered; if it has not, remove thmagazine and insert a new magazine.

(2) If there is a live cartridge or other obstruction lodged in the chamber, cock the weapoand hold the cover down firmly; remove the barrel; then clear the chamber by using the stock tpush the obstruction out of the barrel.

Note. Under combat conditions, when time is shoromit the step of removing the barrel.

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TM 9-1005-229-1

CHAPTER 3

OPERATOR AND ORGANIZATIONAL MAINTENANCE

INSTRUCTIONS

Section I. SERVICE UPON RECEIPT OF MATERIEL

3-1. Genera l

Refer to table 3-1.

Step

1

2

8

4

5

6

7

Table 3-1. Service Upon Receipt of Materiel

Action

Remove submachine gun and items from container.Remove VCI packaging.

Check for m issing items.

Note. I tems m ust agree with Basic Issue I tems List .

Field strip weapon and inspect for:

Miss ing pa r t s

Proper assembly

Clean and lubricate (if necessary).

A s s e m b l e

Hand function

Reference

App C

Para 3-11

App C

Par a 3-12, 3-6 and 3-7

Figs 3-1 and 3-2

Section II. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT

3-2. Repair Parts 3-4 . Spec ia l Too ls and Equ ipment

Repair parts issued with the submachine guns arelisted in appendix C.

Tools and equipment for organizational maintnance are listed in and illustrated in appendix

3-3. Too ls and Equ ipmen t

Tools and equipment issued with the submachine 3-5. Ma in tenance Repa i r Pa r t s

guns are listed in the basic issue items list, appen- Organizational maintenance repair parts are listdix C. in and illustrated in appendix C.

Sec tion III. LUBRICATION INSTRUCTIONS

3-6. Gene ra i Lub r i ca t i on i ns t r uc t i ons 3-7. Spec i f i c Lubr icat ion ins t ruc t ions

a. Use PL special for lubrication above OF, Apply a light coat of PL special, before firinand LAW for lubrication below OF on all parts to the guide rods. During lulls in firing lubricaof the weapon. All interior parts that do not the guide rods, oil the sear pin and trigger pin.come in contact with the ammunition must have alight coat of oil prior to firing.

Caution. Prior to loading the weapon, aftlubrication, attention should be directed to w

b. Refer to appendix C for listing of mainte- ing all excees oil off the receiver; Excessive nance supplies. could cause loss of control durimg firing.

3

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Section IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

3-8. P rev en t i v e Ma in tenanc e Per f o rmed by maintenance checks and services to be performed

t he Opera to r by the operator.

a. The submachine gun should be inspected(para 3-12b) each day and cleaned (para 8-12a), 3-9. P rev en t i v e Ma in tenanc e Per f o rmed by

if necessary. Organ i za t i ona l Ma in tenanc e

b. Refer to table 3-2 for specific preventive Refer to table 3-2.

3-2

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Section V. TROUBLESHOOTING

3-10. Genera l action can be performed Letter C indicates operator andletter O organizational maintenance.

a. Refer t o table 3-3.

Note. The letters in the maintenance level column indi- b. Notify organizational maintenance for cor-

cate th e lowest level of maint enan ce at wh ich corrective rective action not authorized to the operator.

Table 3-3. Troubleshooting

Malfunction

1. Failure t o

feed.

2. Failure t o

chamber

3. Failure to

fire

4. Failure to ex-

tract

5. Failure t oeject.

6. Failure to cock

7. Miscellaneous

Excessive pull re-

quired to retractbolt.

Probable cause

a. The top cartridge in the mx

gazine is not properlypositioned.

b. Improper a ssembly of maga-

zine.

c. Dirty or dented magazine.

d. Weak or broken ma gazine

spring.e. Worn magazine notch.f. Corroded ammunition.g. Worn or broken magazine

catch.a. Dirty chamber.

b. Obstruction in chamber.

c. Weak driving springs.

a. Defective amm un ition.

b. Defective firing pin.

c. Weak or broken dr iving

spring.

d. Dirt on face of bolt.

a. Worn or broken extractor.

b. Dirty cham ber.

c. Pitt ed chamber.

a. Broken ejector.

b. Broken or missing extractor.

C. Lack of lubrication.

a. Chipped or worn sear .

b. Worn sear notch.

c. Bent guide rods.

Lack of lubrication.

a. Reload magazine.

b. Reassemble magazine

(fig 3-3).

c Replace ma gazine.d. Clean or replace magazine.

e. Replace magazine.f. Replace ammunition.g. Replace maga zine catch.

a. Clean chamber (para 3-12).

b. Remove obstruction.

c. Replace springs.

a Replace ammun ition.

b.

c.

d.

a .

b.

c.

a .

b.

c.

a.

b.

Evacuat e to direct support

maintenance.Replace driving springs.

Clean (para 3-12).

Replace extractor.

Clean chamber (Para 3-12).

Evacuate to direct supportmaintenance.

Evacuate to direct supportsupport maintenance.

Replace extractor.

Lubricate (Para 3-6).

Replace sear.

Evacuat e to direct supportmaintenance.

c. Straighten rods.

Lubricate (Para 3-6).

c

c

cc

cco

c

c

o

c

o

o

c

o

c

o

0

o

c

o

o

o

c

Sect ion VI. OPERATORS MAIN TENANCE PROCEDURES

3-11. D i s as semb ly /As semb ly P roc eduresFor disassembly/assembly of the weapon au-

thorized to the operator refer to figures 4-1 and3-2.

3-4

Note. White arrows, shown on illustrations, indicate re-

moval or disassem bly sequence, and black ar rows assem-

bly or installation sequence.

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Figure 3-1. Disassembly/assembly of Submachine Guns M3and M3A1. (1 of 2)

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REMOVE TRIGGER GUARD INSTALL TRIGGER GUARD

REMOVE/ INSTALL HOUSING ASSEMBLY

3-12. Cleaning,

a. Cleaning.

REMOVE/INSTALL FLASH HIDER ASSEMBLYWE 63608

Figure 3-2. Disassembly/assembly of Submachine Guns M3 and M3A1. (2 of 2)

Inspection, and Repair (a) Disassemble the weapon (figs 31

and 32).

Note. Use general purpose lubricating oil (PL special)to lubricate all components of the weapon when tempera -ture is expected to vary down to -30F temporarily.

When temper atu re is expected to rema in at 0F t o -65Fweapon will be lubricated with weapons lubricating oil(LAW) after cleaning.

(1) Cleaning before firing. Before the sub-machine gun is fired, the following steps shouldbe taken to make sure that it will function proper-ly:

(b) Clean the bore and chamber with aclean, dry patch,

Note. Do not apply oil to the bore or chamber beforefiring.

(c) Clean all parts thoroughly.

(d) Use a lightly oiled cloth to apply alight coat of oil to all parts that do not come in

contact with the ammunition. Apply a light coatof PL special to the guide rods.

3-6

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Figure 3-4.

TM 9-1005-229-12

REMOVE/ lNSTALL RETAINING CLIP.

DISASSEMBLE/ASSEMBLE B0LT AND GUIDE ROD GROUP.

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moistened with oil. When stoning, care must be (3) For repair or replacement of parts, notaken not to alter any surfaces from the original authorized for organizational maintenance, evacd im e n s ion s . a te submachine gun to direct suppor t main t

( 2 ) Replace only those parts which are au- na nc e .thor ized to organizat ional maintenance. (Refer to (4) For specific repair functions refer to tappendix C). ble 3-4.

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3-12

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3

-1

3

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CHAPTER 4

AMMUNITION

4-1. General consists of all the components (cartridge case,

Ammunition for the Caliber .45 Submachine primer, propelling charge, and bullet) necessary

Guns, M3 and M3A1 is issued in the form of a to fire the weapon once. Refer to SC 1305/30-ILcomplete round. A complete round (cartridge) for identification of various types of ammunition.

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CHAPTER 5

DESTRUCTION TO PREVENT ENEMY USE

5-1. General

a. Destruction of the submachine gun whensubject to capture or abandonment in the combatzone, will be undertaken only when in the judg-ment of the commander concerned such action isnecessary. If destruction is resorted to, the equip-

ment must not be merely discarded, but must beso badly damaged that it cannot be restored to ausable condition in the combat zone either by re-

pair or cannibalization. The reporting of the de-str uction of equipment is to be thr ough r egularchannels .

b. Priorities for destruction of parts are:

(1) Barrel

(2) Receiver assembly

(3) Bolt and guide rod group

(4) Trigger housing group

(5) Stock extension

c. The same priority for the destruction of com

ponent parts of the submachine gun are to begiven to the destruction of similar components inspare parts storage areas.

5-1

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APPENDIX A

REFERENCES

A-1. Pub l i ca t i on I ndexes

The following indexes should be consulted frequently for the latest changes or revisions of referencesgiven in this appendix and for new publications relating to material covered in this manual.

Index of Administrative PublicationsIndex of Army Films, Transparencies, GTA Charts, and RecordingsIndex of Blank FormsIndex of Doctrinal, Training, and Organizational PublicationsIndex of Supply Catalogs and Supply Manuals (excluding types 7, 8,

and 9)Index of Technical Manuals, Technical Bulletins, Supply Manuals

(types 7,8 and 9), Supply Bulletins, and Lubrication OrdersU.S. Army Equipment Index of Modification Work Orders

A-2. Forms

DA Form 2028, Recommended Changes to DA Publications.

A-3. Other Publ icat ions

The following explanatory publications pertain to this material.a. General.

Accident Reporting and RecordsAdministrative Storage of EquipmentArmy Equipment Record Procedures

Authorized Abbreviations and Brevity CodesDictionary of United States Army Terms (Short Title: AD)Military SymbolsMilitary Training ManagementPhysical Security Standards for Protection of Weapons and AmmunitionSupply Procedures for TOE and TDA Units or ActivitiesSubmachine Guns, Caliber .45, M3 and M3A1Techniques of Military Instruction

b.Ammunition.Ammunition, GeneralCare, Handling, Preservation and Destruction of AmmunitionDisposal of Supplies and Equipment:

AmmunitionExplosives and DemolitionsMalfunctions Involving Ammunition and Explosives

c.Inspection and Maintenance.Cleaning of Ordnance MaterielMaterials Used for Cleaning, Preserving, Abrading and Cementing Ord-

nance Materiel; and Related Materials Including Chemicalsd, Issue of Supplies and Equipment.

Requisitioning, Receipt, and Issue Systeme.Maintenance of Supplies and Equipment.

Organization, Policies, and Responsibilities for Maintenance Operations

DA Pam 310-1DA Pam 108-1DA Pam 310-2DA Pam 310-3DA Pam 310-6

DA Pam 310-4

DA Pam 310-7

AR 385-40TM 740-90-1TM 38-750

AR 320-50AR 320-5FM 21-30FM 21-5AR 190-11AR 735-35FM 23-41FM 21-6

TM 9-1900TM 9-1300-206AR 756-140-1

FM 5-25AR 700-1300-8

TM 9-208-1TM 9-247

AR 725-50

AR 750-6

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APPENDIX B

MAINTENANCE ALLOCATION CHART

Sect ion I . INTRODUCTION

B-1. General

The maintenance allocation chart indicates speci-fic maintenance operations performed at the

proper maintenance levels. Deviation from main-tena nce operat ions a llocat ed in th e cha rt is au-thorized only upon approval of the commanding

officer.

B-2 . Ma in tenance Func t i ons

The maintenance allocation chart designates over-

all responsibility far the ma intena nce fun ction onan end item or assembly. Maintenance functionswill be limited to and defined as follows:

a. Inspect. To determine serviceability of anitem by comparing its physical, mechanical, andelectrical characteristics with established stand-ards .

b. Test. To verify serviceability an d t o detectelectrical or mechanical failure by use of test

equipment.c. Servi ce. To clean, to preserve, to charge and

to add fuel, lubricants, cooling agents, and air.d. Adjust. To rectify to the extent necessary to

bring into proper operating range.e. Align. To adjust specified variable elements

of an item to bring to optimum performance.

f. Calibrate. To determine the corrections to

be made in the readings of instruments or testequipment used in precise measurement. Consistsof the comparison of two instruments, one ofwhich is a certified standard of known accuracy,

to detect and adjust any discrepancy in the accur-acy of the instr ument being compar ed with th ecertified standard.

g.Install. To set up for use in an operational

environment such as an emplacement, site, orvehicle.

h. Replace. To replace unserviceable itemswith serviceable like items.

i. Repair. Those ma intena nce operat ions nec-essary to restore an item to serviceable condition

thr ough corr ection of mat erial dam age or a specfic failur e. Repair ma y be accomplished a t ea ccategory of maintenance.

j. Overhaul. Normally, the highest degree omaintenance performed by the Army in order tminimize time work in process is consistent wit

qua lity an d economy of operat ion. It consist s o

that maintenance necessary to restore an i tem tcompletely serviceable condition as prescribed bmaintenance standards in technical publicationfor each item of equipment. Overhaul normall

does not return an item to like new, zero mileageor zero hour condition.

k. Rebuild. The highest degree of materiemaintenance. It consists of restoring equipmenas nearly as possible to new condition in accordance with original manufacturing standards. Rebuild is performed only when required by operational considerations or other paramount factor

and then only at the depot maintenance categoryRebuild reduces to zero the hours or miles th

equipment, or component there of, has been inuse .

l . Symbols. The uppercase letter placed in thappropriate column indicates the lowest level awhich t hat part icular maintena nce function is tbe performed.

B-3. Exp lana t i on o f Fo rma t

Purpose and use of the format are as follows:

a. Column 1, Group Number. Lists group num

bers, t he p ur pose of which is to ident ify component s, assemblies, subassemblies and modulewith the next higher assembly.

b. Column 2, Functional Group. Lists thnoun names of components, assemblies, subas

semblies and modules on which maintenance iauthor ized.

c. Column 3, Maintenance Functions. Listthe various categories of maintenance to be performed on the weapon.

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d. Use of Symbols. Explanation of the use of e. Column 4, Tools and Equipment. This col-

symbols in maintenance function column 3 is as umn is used to specify by code these tools and

follows: test equipment required to perform the desig-

Code Explanation nated function.c Operator/Crewo Organizational f, Column 5, Remarks. Self-explanatory.

F Direct Support Note. Columns not ut ilized are considered not applica-

H General Support ble.D Depot

Section II. MAINTENANCE ALLOCATION CHART FOR CALIBER .45

SUBMACHINE GUNS M3 AND M3A1

(1) (2)

FunctionalG r o u p

1 MAGAZINE

2 BARREL

3 GUN STOCK EXTENSION

4 BOLT AND GUIDE ROD GROUP

5 TRIGGER HOUSING GROUP(M3A1)

6 TRIGGER HOUSING GROUP (M3)

7 TRIGGER AND SEAR GROUP

8 RECEIVER ASSEMBLY (MSA1)

9 RECEIVER ASSEMBLY (M3)

10 FLASH HIDER ASSEMBLY

ccc

c

ccccc

(8) (4)

I(6)

Maintenance Function

c

c

c c c

c c c

c c D0 o Dc F Dc o D F D

c F D o D F D

c o F Dc o F D

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T M 9 - 1 0 0 5 - 2 2 9 - 1 2

APPENDIX C

ORGANIZATIONA L MA INTENA NCE REPAIR PARTS

AND SPECIAL TOOLS LIST

Sect io n I . INTRODUCTION

C-1. Scope

This appendix lists basic issue items, repair par ts,special tools, required for the performance of or-ganizational maintenance of the Caliber .45, Sub-machine Guns, M3 and M3A1.

C-2. General

This Basic Issue Items, Repair Parts, and Spe-cial Tools List is divided into the following sec-tions:

a . Basic Issue Items-Section II. A list ofitems which accompany the submachine guns andar e required by th e opera tor/crew for ins ta llation,operation, or maintenance.

b. Maintenance and Operating Supplies-Sec-tion III. A listing of maintenance and operating

supplies required for initial opera tion.c. Prescribed Load Allowance (PLA)-Section

IV. A composite listin g of repair par ts, specialtools, test an d support equipment having quanti-ta tive allowances for init ial stockage at th e organi-zational level.

d. Repair Parts-section V. A list of repairparts authorized for the performance of mainten-an ce at th e organ izat iona l level in figure a ndi tem nu mber sequence.

e. Special Tools, Test and Support Equipment-section VI. A list of special tools, test andsupport equipment authorized for the perform-an ce of ma inten an ce at th e organ isational level.

f. Federal Stock Number and Reference Num-ber Index-Section VII. A list of Federal stocknu mbers in a scending n um erical sequen ce, fol-lowed by a list of reference num bers a ppearing inall the listings, in ascending alphanumeric se-quence, cross-referenced to t he illust ra tion figur enumber and item number.

C-3. Explan at io n of Columns

The following p rovides an explana tion of col-umns in the tabular lists in Sections II thr oughVI,

a . S ource, Maintenance and Recoverabilit

Codes (SMR).(1) S ource Code. Indicates th e selection st a-

tus and source for the listed item, Source codesused are:

P

P2

M

A

x

X1

X2

Definition

Repair parts which are stocked in or suppliedfrom the GSA/DSA, or Army supply system,

and authorized for use at indicated maintenance categories.

Repair parts which are procured and stockedfor insurance purposes because the combat ormilitary essentiality of the end item dictat es

that a minimum quan tity be available in thesupply system.

Repair part s which a re not pr ocured or st ockedbut are to be manufactured in indicatadmaintenance levels.

Assemblies which are not procured or stocked

as such but are made up of two or moreunits. Such component units carry individualFSNs and descript ions, ar e procur ed and

stocked separately and can be assembled toform the required assembly at indicatedmaintenance categories.

Parts and assemblies which are not procuredor stocked and the mortality of which is nor-mally below that of the applicable end itemor component. The failure of such part or as-

sembly should result in ret irement of the end

item from the supply system.Repair parts which are not procured or

stocked. The requirement of such items willbe filled by use of the next higher assemblyor component .

Rpair parts which are not stocked. The indi-cated maintenance category requiring such

repair parts will attempt to obtain throughcannibalization; if not obtainable through

cannibaliztion, such repair parts will berequisitioned with supporting justification

thr ough norma l supply channels.

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G M ajor a s semblie s t ha t a r e p r ocu r ed wit hPE MA funds for init ial issue only to be usedas exchange assemblies at DSU and GSUlevel. These assemblies will not be stockedabove DSU an d GSU level or r etur ned toDepot supply level.

(2) M ain tenan ce Code. Indicates t he low-

est category of maintenance authorized to installthe listed item. The maintenance level codes are:

Code Maintenance Cat egory

C Operator/crewO Organizat ionalF Direct SupportH General SupportD D e p o t

(3) Recoverability Code. Indicates whetherun serviceable items sh ould be retu rn ed for recov-ery or salvage. Items not coded are expendable.Recovera bility codes ar e:

Code

R

8

T

U

No code

Indicated

Recoverability Aspect

Applied to repair park (assemblies and com-

ponen t s ) , spec i a l t oo l s and t es t equ i pmen t

whi ch are cons i dered economi ca l l y r epa i r -

able at Direct end General suppor t mainte-

nance levels. When the item is no longer eco-

nomically repairable, i t is normally disposed

of at GS level. When supply considerations

dictate, some of these repai r par t s may be

l i s t ed fo r au t omat i c r e t u rn t o supp l y fo r

Depot level repair as set forth in AR 710-50.

When so listed, they will be replaced by sup-

ply on an exchange basis.

Repai r par t s and assembl ies which are econo-

mical ly repai rable at DSU and GSU act iv i -ties and normally are furnished by supply on

an exchange basis. When items are deter-

mined by a GSU to be uneconomically repai-

rable, they will be evacuated at a depot for

evaluation and analysis before final disposi-

t ion.

Hi gh do l l a r va l ue r ecoverab l e r epa i r par t s

which are subject to special handling and are

i s sued on an exchange bas i s . Such r epa i r

p a r t s a r e n o r m a l l y r e p a i r e d o r o v e r h a u l e d

at Depot maintenance act iv i t ies .

Repair parts specifically selected for salvage

by r ec l amat i on un i t s because o f p rec i ous

metal content, cri t ical materials, high dollar

value reusable casings, or castings.

Part will be considered expendable,

b. Federal St ock Nu m ber. Indicat es the Feder-al stock number assigned to the item and will beused for requisitioning purposes.

c. Description. Indicates the Federal i temname and any additional description of the itemrequired. The abbreviation w/e when used asa part of the nomenclature, indicates the Federalstock nu mber includes all arm ament equipment,

C-2

accessories, and repa ir part s issued with th e item.A part num ber or other reference num ber is fol-lowed by t he applicable five-digit F edera l supplycode for manufacturers in parentheses.

d. Unit of Measure (U/ M). A 2 cha ra cter al-phabetic abbreviat ion indicat ing the amount orquantity of the item upon which the allowances

are based, e.g., ft, ea, pr, etc.e. Quan tity Incorporated in U nit. Indicates thequa nt ity of th e item used in th e fun ctiona l groupor ass embly. A V app ear ing in t his colum n inlieu of a qua ntity indicat es tha t a definite quan-t i ty cann ot be indicat ed (e.g., shims , spacers,etc.).

f. Quantity Furnished with Equipment. Indi-cat es the qua ntity of an item furnished with theequipment (BIIL only).

g. Com ponent Application. Ident ifies th e com-ponent a pplication of each ma intena nce or operat -ing su pply item (M&O sup plies only).

h. Quan tity R equired for Initial Operation. In-dicates the quantity of each maintenance or oper-ating supply item required for initial operat ion ofthe equipment (M&O supplies only).

i. Quan tity R equired for8 Hours Operation. In -dicates t he estimat ed quant ities required for a navera ge 8 hour s of opera tion (M&O suppliesonly).

j. Notes. Indicates informative notes keyed todata appearing in a preceding column (M&O sup-plies only).

k. 15-Day Organizational M aintenan ce Al-

lowances.(1) The allowance columns are divided intofour subcolumns. Indicated in each subcolumnopposite the first appearance of each item is thetotal quantity of i tems authorized for the numberof equipments supported. Subsequent appear-an ces of th e sam e item will ha ve the letters REF in the allowance columns. Items authorized foruse a s required bu t n ot for initial stockage ar eidentified with an asterisk in the allowance col-umn.

(2) The quantitative allowances for organi-zational level of ma inten an ce repr esent s one ini-tial prescribed load for a 15-day period for thenum ber of equipments supported. Units and or-ganizations au th orized additional prescribed loadswill mult iply th e num ber of prescribed loads a u-thorized by the quant ity of repair pa rt s r eflectedin th e appropriate density column to obtain t hetotal quantity of repair parts authoriz~.

(3) Organizationa l un its pr oviding ma intenance for more than 100 of these equipmentshall determine the total quantity of parts re-

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quired by converting the equipment quantity to adecimal factor by placing a decimal point beforethe next to last digit of the number to indicatehundredths, and multiplying the decimal factorby the parts quantity authorized in the 51100 al-lowance column. Example, authorized allowancefor 51-100 equipments is 12; for 140 equipments

multiply 12 by 1.40 or 16.80 rounded off to 17parts required.(4) Subsequent changes to allowances will

be limited as follows: No change in the range ofitems is authorized. If additional items are con-sidered necessary, recommendation should be for-warded to Commanding General, Headquarters,U.S. Army Weapons Command, ATTN:AMSWE-SMM-SA, Rock Island, Illinois 61201,for exception or revision to the allowance list. Re-visions to the range of items authorized will bemade by Headquarters, U.S. Army Weapons Com-mand based upon engineering experience, de-

mand data, or TAERS information.l.Illustration.

(1) Figure Number. Indicates the figurenumber of the illustration in which the item isshown.

(2) Item Number. Indicates the call-outnumber used to reference the item in the illustra-t i o n .

C-4 . Spec ia l In fo rm a t ion

Identification of the usable on codes of this pub-lication are:

Code Used onA M3

B M3A1

No Code M3 an d M3A1

C-5 . Ho w t o L o ca t e Re p a i r Pa r t s

a. When Federal stock number or referencenumber is unknown:

(1) First. Using the table of contents deter-mine the functional group or assembly, within

which the repair part belongs. This is necessarysince illustrations are prepared for functionagroups and assemblies, and listings are dividedinto the same groups.

(2) Second. Find the illustration cover-ing the functional group or assembly to which therepair part belongs.

(3) Third. Identify the repair part on the illustration and note the illustration figure anditem number of the repair part.

(4) Fourth. Using the Repair Parts Listingfind the functional group or assembly to whichthe repair part belongs and locate the illustrationfigure and item number noted on the illustration

b. When Federal stock number or referencenumber is known:

(1) First. Using the Index of Federal StockNumbers and Reference Numbers find the pertinent Federal stock number or reference numberThis index is in ascending FSN sequence fol

lowed by a list of reference numbers in alphanumeric sequence, cross-referenced to the illustration figure number and item number.

(2) Second. Using the Repair Part Listingfind the functional group or assembly of the repair part and the illustration figure number anditem number referenced in the Index of FederaStock Numbers and Reference Numbers.

C-6. Abbreviat ions

Abbreviation Explanation

DIA-------------------Diameter

ID------------------------Inside DiameterOD-----------------------------Outside DiameterSH-SLEEVE----------.Sheet SleeveS Q - - - - - - - - - - - - - - - - S q u a r e r eSYNTHRBR--------------S y n t h e t i c R u b b e rTHK- - - - - - - - - - - - - - Th i ck

C-7. Fe d e ra l Su p p l y Co d e s f o r Ma n u fa c tu re rs

Code Manufacturer

19204 ----- Rock Island Arsenal19205------ Springfield Armory

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TM 9-1005-229-1

Sec tion III. MAINTENANCEAND OPERATING SUPPLIES(1) Fe !& )n l (8) Q!&f&* #z&~7 N:&i%R2%*: N=&r IkcriDtioa

SUBMACHINE GUNS , 100s-288-356s SWAB,SMALL ARMS CLEANING: *CALIBER .46,M9 A.ND COTTON 2 1/2 SQ . (1000 IN PKG )M3A1 S01W16 (19204)

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M3A1 WE 63612

Figure C-1. Major groups assemblies and components-Caliber .45 Submachine Guns

M3 and M3A1.

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Figure C-2. Bolt and guide rod group.

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Figure C-3. Tools and equipment.

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B y o r d e r o f t h e S e c r e t a r y o f t h e A r m y :

Official:

W. C. WESTMORELAND,General, Unit ed Stat es Army ,

Chief of Staff.

KENNETH G. WICKHAM,Major General, Unit ed Stat es Army

The Adjutant General

DISTRIBUTION:

To bedistributed in accordancewith DA Fo rm 12-40 (qtyrqr blockno. 108)organizational maintenance r e q u i r e -ments for Submachine Guns, Caliber .45:M3 and M3A1.

*u.s.GovEaNMENr PalNmwoFFIcE1989 242-451/ 05311

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