66 MM LIGHT ANTITANK WEAPON (LAW) SYSTEM M72A1, M72A2 WITH COUPLER, M72A3 AND PRACTICE ROCKET LAUNCHER M190 WITH M73 PRACTICE ROCKET

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TM 9-1340-214-10 OPERATORS MANAL FOR 66 MM LIGHT ANTITANK WEAPON (LAW) SYSTEM M72A1, M72A2 WITH COPLER, M72A3 AND PRACTICE ROCKET LANCHER M190 WITH M73 PRACTICE ROCKET Approved for public

1 TM OPERATORS MANAL FOR 66 MM LIGHT ANTITANK WEAPON (LAW) SYSTEM M72A1, M72A2 WITH COPLER, M72A3 AND PRACTICE ROCKET LANCHER M190 WITH M73 PRACTICE ROCKET Approved for public release; distribution is unlimited. This copy is a reprint which includes current pages from Change 1. DEPARTMENT OF THE ARMY 31 MAY 1991 This manual supersedes TM , January 1986

2 DO NOT EXTEND LANCHER NTIL READY TO FIRE. DO NOT FIRE NLESS DANGER AREAS ARE CLEAR OF PERSONNEL AND OBSTRCTIONS. WEAR EAR PLGS WHEN FIRING THE WEAPON METER MARKINGS ON THE FRONT POST SIGHTS OF THE M72A1, M72A2, AND M190 LANCHERS CONTAIN SMALL AMONTS OF RADIOACTIVE MATERIAL FOR ILLMINATION. THE SIGHTS DO NOT PRESENT A SIGNIFICANT HEALTH HAZARD BT MST BE CONTROLLED. IF SIGHT IS BROKEN REMOVE AND PLACE IN A PLASTIC SEALED BAG. STORE BAG IN A SEALED CONTAINER NTIL REMOVED BY AMMNITION DISPOSAL PERSONNEL. AR 4412

3 Change ) ) No. 1 ) TM C1 HEADQARTERS DEPARTMENT OF THE ARMY Washington, DC, 20 February 1992 TM , 31 May 1991, is changed as follows: 1. Make the following pen and ink changes: OPERATOR'S MANAL FOR 66MM LIGHT ANTITANK WEAPON (LAW) SYSTEM M72A1, M72A2 WITH COPLER, AND M72A3 a. On cover, change the title from "Operator's Manual for 66MM Light Antitank Weapon (LAW) System M72A1, M72A2 With Coupler, M72A3 and Practice Rocket Launcher M190 With M73 Practice Rocket" to read "Operator's Manual for 66MM Light Antitank Weapon (LAW) System M72A1, M72A2 With Coupler, and M72A3". b. On inside back cover, change address from "Commander,. S. Army Armament, Munitions and Chemical Command, ATTN: AMSMC-MAY-T ID), Picatinny Arsenal, NJ " to read "Commander;. S. Army Armament Research, Development and Engineering Center. ATTN: SMCAR- LMB, Picatinny Arsenal, NJ ".

5 CHAPTER 1 INTRODCTION SECTION I GENERAL... 3 II A BRIEF DESCRIPTION III DATA... 6 IV LABELS AND MARKING CHAPTER 2 Page OPERATION Page SECTION I SERVICE PON RECEIPT OF MATERIEL II CARRYING POSITION III BACK BLAST DANGER ZONES IV PREPARATION FOR FIRING V FIRING POSITIONS VI READY VII AIM VIII FIRE IX FAILRE OF WEAPON TO FIRE IMMEDIATELY X PREPARED FOR - BT NOT FIRED CHAPTER 3 MAINTENANCE SECTION I OPERATOR MAINTENANCE II REPACK AR 4413

6 THIS PAGE INTENTIONALLY LEFT BLANK AR

7 CHAPTER 1 INTRODCTION SECTION I GENERAL 1-1. SCOPE THIS MANAL CONTAINS A DESCRIPTION OF AND INSTRCTIONS FOR OPERATIONS OF THE 66-MM LIGHT ANTITANK WEAPON (LAW) SYSTEM M72A1, M72A2 WITH COPLER, AND M72A3. THE OPERATING INSTRCTIONS FOR THE TACTICAL AND PRACTICE WEAPONS ARE IDENTICAL. THE PRACTICE LANCHER, M190 WITH M73 PRACTICE ROCKET, IS A MODIFIED M72A1 LANCHER CONVERTED TO FIRE A 35-MM M73 ROCKET. THE ROCKET, WHICH CONTAINS A SPOTTING CHARGE, SIMLATES THE FIRING OF THE TACTICAL WEAPON. SEE TM FOR OPERATOR AND NIT MAINTENANCE INSTRCTIONS. CHANGE 1 3 AR 4415A

8 SECTION II A BRIEF DESCRIPTION THE LAW CONSISTS OF A LIGHTWEIGHT SHOLDER-FIRED HEAT ROCKET PREPACKAGED IN A LANCHER. END COVERS PROTECTS ROCKET AGAINST DIRT AND MOISTRE. THE WEAPON IS CARRIED SLNG OVER THE SHOLDER BY AN ATTACHED SLING ASSEMBLY. CHANGE 1 4 AR 4416A

9 EXTERNAL VIEW AS ISSED (NOT EXTENDED) NOTE: EXTERNAL VIEW OF TACTICAL AND PRACTICE WEAPON ARE IDENTICAL 5 AR 4417

10 SECTION III DATA WEAPON DATA Tactical Practice M72A1 M72A2, M72A3 Launcher M190 w/rocket M73 Weight 5.1-Lb 5.1-Lb 5.-Lb Color Identification Launcher OD OD OD Firing Instruction Label OD Background OD Background OD Background White Printing White Printing White Printing Model, Lot No, Date OD W/Yellow OD W/Yellow OD W/ Yellow Mfg Label Printing Printing Printing Warhead M72 (Heat) M72A1 (Heat) Spotting Charge Complete Length (Closed) Nominal 24.7-In In In. (Open) Nominal 34.7-In in In. Diameter 4.9-In. 4.9-In. 4.9-In. 6 AR 4418

11 SECTION IV LABELS AND MARKING AR

12 THIS PAGE LEFT INTENTIONALLY BLANK AR

13 CHAPTER 2 OPERATION SECTION I Following applies to tactical weapon only SERVICE PON RECEIPT OF MATERIEL (1) KEEP MARKING NOSE END OF BOX FACING LEAST HAZARDOS AREA (2) CHECK FOR PROPER ITEM NOMENCLATRE. (3) STAND TO SIDE, OF NOSE END MARKING (4) REACH OVER TOP OF BOX AND NFASTEN WIRE HOOPS DO NOT SE SHARP INSTRMENTS OR HOOKS TO PRY P BOX COVER OR OPEN INNER PAK AR

14 FACE AREA OF LEAST HAZARD (5) REMOVE FIBERBOARD CONTAINER BY HANDLE (6) PLL FLAP AT NOSE END OF BARRIER BAG AND OPEN TO EXPOSE CONTAINER END (7) PLL PREPARED TEAR STRIPS OFF CONTAINER END AND REMOVE COVER (8) REMOVE CSHIONING AND WEAPON 10 AR 4422

FOLLOWING APPLIES TO TACTICAL AND PRACTICE WEAPONS CHECK EACH WEAPON SYSTEM FOR CRACKED TBE DENTED PARTS MISSING PARTS LOOSE PARTS FRAYED SLING

15 FOLLOWING APPLIES TO TACTICAL AND PRACTICE WEAPONS CHECK EACH WEAPON SYSTEM FOR CRACKED TBE DENTED PARTS MISSING PARTS LOOSE PARTS FRAYED SLING LOOSE OR BENT REAR HOOK LOOSE OR DAMAGED SAFETY MECHANISMS BLRRED OR INCORRECT NOMENCLATRE WARNING DO NOT EXTEND LANCHER NTIL READY FOR SE 11 AR 4423

16 FOR TACTICAL WEAPONS ONLY. IF TIME PERMITS CHECK IGNITER FOR DAMAGE (BROKEN, CRACKED OR SPLIT) (SEE INSTRCTIONS FOR REMOVING CARRYING SLING) IF SO DAMAGED TAPE DAMAGED IGNITERS TO PREVENT LOSS OF IGNITION MATERIAL. REPLACE SLING ASSEMBLY. CLOSE REAR COVER AND REPLACE PLL PIN. AR

17 SECTION II CARRYING POSITION TO CARRY SLING OVER SHOLDER WARNING DO NOT CARRY WEAPON IN EXTENDED POSITION. 13 AR 4425

18 SECTION III BACK BLAST DANGER ZONES WARNING DO NOT FIRE NLESS.. 1. Back blast area is clear of personnel and obstructions. 2. Body extremities are clear of Rocket exhaust end. ZONE A DANGER IN THIS AREA FROM BLAST, HEAT, AND PROJECTED MATERIALS. ZONE B DANGER IN THIS AREA FROM PROJECTED MATERIALS 14 AR 4426

19 SECTION IV PREPARATION FOR FIRING All weapons (1) The following Steps Are Performed At The Firing Point. (2) REMOVE PLL PIN (3) SWING COVER DOWN AR

20 IF TWO ATTEMPTS TO LOCK LANCHER OPEN FAIL - CLOSE AND SET SYSTEM ASIDE FOR DISPOSAL BY ATHORIZED AMMNITION PERSONNEL (SEE SECTION X FOR CLOSING WEAPON) (4) HOLD LANCHER SLIGHTLY AWAY BODY (5) GRASP REAR SIGHT COVER - HOLD FIRMLY BE SRE LANCHER SNAPS INTO LOCKED POSITION AR4428 (6) EXTEND BY PSHING OT WITH RIGHT HAND WARNING EXTENDING THE WEAPON TOO SLOWLY CAN RESLT IN FAILRE TO COCK THE WEAPON 16

21 SECTION V FIRING POSITIONS AR

22 SECTION VI READY WARNING WEAR EAR PLGS WHEN FIRING THE WEAPON. WARNING WEAR EAR PLGS WHEN FIRING THE WEAPON (2) PLACE SIGHT AT EASY READING DISTANCE. (3) MOVE SAFETY TO ARM (1) REST OPEN REAR COVER AGAINST SHOLDER (4) PLACE THMB NDERNEATH AND AROND TBE. (5) PLACE FINGERTIPS ON TRIGGER SPRING BOOT AS FAR BACK AS POSSIBLE. 18 AR 4430

23 SECTION VII AIM AR

24 SECTION VIII FIRE (6) SQEEZE TRIGGER BY DEPRESSING TRIGGER SPRING BOOT PRESS BOOT FIRMLY WITH FINGERTIPS TO ASSRE FIRING AR

25 SECTION IX FAILRE OF WEAPON TO FIRE IMMEDIATELY (1) RESQEEZE TRIGGER FIRMLY (2) IF WEAPON DOES NOT FIRE KEEP ON SHOLDER AND PSH TRIGGER SAFETY HANDLE REARWARD TO SAFE POSITION 21 AR 4433

26 (3) WAIT 10 SECONDS THEN REMOVE LANCHER FROM SHOLDER (4) WAIT 1 MINTE BEFORE RECOCKING If time is not available lay weapon down pointing at target - abandon 22 AR 4434

27 (6) SQEEZE DETENT BOOT (5) GRASP REAR SIGHT SIGHTING (7) PARTIALLY CLOSE LANCHER (APPROXIMATELY 4 INCHES) (8) SHARPLY SNAP LANCHER OPEN INTO LOCKED POSITION AR

28 (9) PLACE LANCHER BACK ON SHOLDER (10) PLL SAFETY FORWARD TO ARM (11) AIM (12) DEPRESS TRIGGER BOOT FIRMLY TO FIRE IF A RECOCKED WEAPON WHICH HAS MISFIRED STILL DOES NOT FIRE, PSH TRIGGER SAFETY HANDLE TO SAFE POSITION AND WAIT 10 SECONDS THEN CAREFLLY LAY WEAPON ON GROND FACING TARGET AND EVACATE AREA NOTIFY ATHORIZED DISPOSAL MNITION PERSONNEL FOR DISPOSAL OF WEAPON 24 AR 4436

29 SECTION X PREPARED FOR - BT NOT FIRED (1) RETRN SAFETY TO SAFE (2) CAREFLLY REMOVE WEAPON FROM SHOLDER 25 AR 4437

30 (3) GRASP LANCHER BY REAR SIGHT HOSING (7) GRASP LANCHER NEAR FRONT SIGHT AND HOLD DOWN FRONT SIGHT (4) SQEEZE DETENT BOOT (5) SLIDE INNER TBE INTO OTER TBE APPROXIMATELY TWO INCHES (6) REMOVE THMB FROM DETENT BOOT (8) COMPRESS NTIL EDGE OF INNER TBE TOCHES THMB LIGHTLY PERFORM ALL COMPRESSION ACTIONS SLOWLY TO AVOID INJRY TO FINGERS AR

31 (9) FOLD DOWN REAR SIGHT AND GIDE NDER HOSING (10) COMPRESS LANCHER NTIL TRAVEL IS STOPPED BY LIP ON FRONT SIGHT (11) PRESS FRONT SIGHT LIP WITH THMB AND SLOWLY COMPRESS LANCHER OVER LIP EDGE (12) REMOVE THMB FROM FRONT SIGHT AND GRASP HOSING (13) CLOSE LANCHER FLLY 27 AR 4439

32 (14) REPLACE COVER PIN (15) REPLACE BFFER PLATE (M72A3 ONLY) (16) REPLACE SLING ASSEMBLY AR

33 CHAPTER 3 MAINTENANCE SECTION I OPERATOR MAINTENANCE NORMAL CONDITION KEEP LAW CLEAN AND DRY NSAL CONDITIONS PROTECT LAW FROM MOISTRE, SNOW, SLEET, CLEAN AS REQIRED AR

34 SECTION II REPACK RETRN ALL DEFECTIVE WEAPON SYSTEMS TO ATHORIZED MNITIONS PERSONNEL Repack weapon system in original packing box. Make sure box is properly and clearly marked. If box other than original packing box is used, properly mark container to indicate contents. Protect packed material until shipped. Ship all packed launchers or systems to issuing organization or other authorized personnel as soon as possible EXERCISE CARE IN RETRN OF SED LANCHERS AS THEY WILL BE REWORKED INTO THE PRACTICE WEAPON SYSTEM AR

35 NOTES 31 AR 4443

36 THIS PAGE LEFT INTENTIONALLY BLANK. S. GOVERNMENT PRINTING OFFICE: (81131) AR

38 *TM TECHNICAL MANAL NO HEADQARTERS DEPARTMENT OF THE ARMY Washington, DC, 31 May 1991 By Order of the Secretary of the Army: CARL E. VONO General, nited States Army Chief of Staff Official: THOMAS F SIKORA Brigadier General, nited States Army The Adjutant General Distribution: To be distributed in accordance with DA Form 12-40E, Block 0528, Operator Maintenance Requirements for 66MM Light Antitank Weapon (LAW) System M72A1, M72A2 With Coupler, M72A3 and Practice Rocket Launcher M190 With M73 Practice Rocket. * This manual supersedes TM , dated January 1986.

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