TM 9-1340-214-10
OPERATORS MANUAL
FOR
66 MM LIGHT ANTITANK
WEAPON (LAW) SYSTEM M72A1,
M72A2 WITH COUPLER, M72A3
AND
PRACTICE ROCKET LAUNCHER 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 9-1340-214-10, January 1986
" DO NOT EXTEND LAUNCHER UNTIL READY TO FIRE.
" DO NOT FIRE UNLESS DANGER AREAS ARE CLEAR OF PERSONNEL
AND OBSTRUCTIONS.
" WEAR EAR PLUGS WHEN FIRING THE WEAPON
" METER MARKINGS ON THE FRONT POST SIGHTS OF THE M72A1,
M72A2, AND M190 LAUNCHERS CONTAIN SMALL AMOUNTS OF
RADIOACTIVE MATERIAL FOR ILLUMINATION. THE SIGHTS DO NOT
PRESENT A SIGNIFICANT HEALTH HAZARD BUT MUST BE
CONTROLLED. IF SIGHT IS BROKEN REMOVE AND PLACE IN A
PLASTIC SEALED BAG. STORE BAG IN A SEALED CONTAINER
UNTIL REMOVED BY AMMUNITION DISPOSAL PERSONNEL.
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TM 9-1340-214-10
C1
Change ) HEADQUARTERS
) DEPARTMENT OF THE ARMY
No. 1 ) Washington, DC, 20 February 1992
OPERATOR'S MANUAL
FOR
66MM LIGHT ANTITANK WEAPON (LAW) SYSTEM M72A1,
M72A2 WITH COUPLER, AND M72A3
TM 9-1340-214-10, 31 May 1991, is changed as follows:
1. Make the following pen and ink changes:
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, U. S. Army Armament, Munitions and Chemical Command, ATTN: AMSMC-MAY-T ID),
Picatinny Arsenal, NJ 07806-5000" to read "Commander; U. S. Army Armament Research, Development and Engineering Center. ATTN: SMCAR-
LMB, Picatinny Arsenal, NJ 07806-5000".
CHAPTER 1
INTRODUCTION
Page
SECTION I GENERAL ............................................................................................................................................ 3
II A BRIEF DESCRIPTION ..................................................................................................................... 4-5
III DATA.................................................................................................................................................... 6
IV LABELS AND MARKING..................................................................................................................... 7-8
CHAPTER 2
OPERATION
Page
SECTION I SERVICE UPON RECEIPT OF MATERIEL ....................................................................................... 9-12
II CARRYING POSITION........................................................................................................................ 13
III BACK BLAST DANGER ZONES ........................................................................................................ 14
IV PREPARATION FOR FIRING ............................................................................................................ 15-16
V FIRING POSITIONS . ........................................................................................................................ 17
VI READY . ............................................................................................................................................... 18
VII AIM ....................................................................................................................................................... 19
VIII FIRE ..................................................................................................................................................... 20
IX FAILURE OF WEAPON TO FIRE IMMEDIATELY ............................................................................. 21-24
X PREPARED FOR - BUT NOT FIRED ................................................................................................. 25-28
CHAPTER 3
MAINTENANCE
SECTION I OPERATOR MAINTENANCE ............................................................................................................. 29
II REPACK .............................................................................................................................................. 30
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1
THIS PAGE INTENTIONALLY LEFT BLANK
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2
CHAPTER 1
INTRODUCTION
SECTION I
GENERAL
1-1. SCOPE
THIS MANUAL CONTAINS A DESCRIPTION OF AND INSTRUCTIONS FOR OPERATIONS OF THE 66-MM LIGHT ANTITANK WEAPON (LAW) SYSTEM
M72A1, M72A2 WITH COUPLER, AND M72A3.
THE OPERATING INSTRUCTIONS FOR THE TACTICAL AND PRACTICE WEAPONS ARE IDENTICAL.
THE PRACTICE LAUNCHER, M190 WITH M73 PRACTICE ROCKET, IS A MODIFIED M72A1 LAUNCHER CONVERTED TO FIRE A 35-MM M73 ROCKET. THE
ROCKET, WHICH CONTAINS A SPOTTING CHARGE, SIMULATES THE FIRING OF THE TACTICAL WEAPON. SEE TM 91340-224-12 FOR OPERATOR
AND UNIT MAINTENANCE INSTRUCTIONS.
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CHANGE 1 3
SECTION II
A BRIEF DESCRIPTION
THE LAW
CONSISTS OF A LIGHTWEIGHT SHOULDER-FIRED HEAT ROCKET PREPACKAGED IN A LAUNCHER. END COVERS PROTECTS ROCKET AGAINST DIRT
AND MOISTURE. THE WEAPON IS CARRIED SLUNG OVER THE SHOULDER BY AN ATTACHED SLING ASSEMBLY.
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CHANGE 1 4
EXTERNAL VIEW AS ISSUED (NOT EXTENDED)
NOTE: EXTERNAL VIEW OF TACTICAL AND PRACTICE WEAPON ARE IDENTICAL
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5
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. 24.7-In. 25.3-In.
(Open) Nominal 34.7-In. 34.7-in. 35.4-In.
Diameter 4.9-In. 4.9-In. 4.9-In.
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6
SECTION IV
LABELS AND MARKING
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7
THIS PAGE LEFT INTENTIONALLY BLANK
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8
CHAPTER 2
OPERATION
SECTION I
Following applies to tactical weapon only
SERVICE UPON RECEIPT OF MATERIEL
(1) KEEP MARKING NOSE END OF BOX FACING LEAST
HAZARDOUS AREA
(3) STAND TO SIDE, OF NOSE END MARKING
(2)
CHECK FOR PROPER ITEM
(4) REACH OVER TOP OF BOX AND UNFASTEN WIRE
NOMENCLATURE.
HOOPS
DO NOT USE SHARP INSTRUMENTS OR HOOKS TO PRY UP
BOX COVER OR OPEN INNER PAK
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9
FACE AREA OF LEAST
HAZARD
(5) REMOVE FIBERBOARD CONTAINER
BY HANDLE
(6) PULL FLAP AT NOSE END OF
BARRIER BAG AND OPEN TO
EXPOSE CONTAINER END
(7) PULL PREPARED TEAR STRIPS OFF
CONTAINER END AND REMOVE
COVER
(8) REMOVE CUSHIONING AND
WEAPON
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10
FOLLOWING APPLIES TO TACTICAL AND PRACTICE WEAPONS
CHECK EACH WEAPON SYSTEM FOR
CRACKED TUBE FRAYED SLING
DENTED PARTS LOOSE OR BENT REAR HOOK
MISSING PARTS LOOSE OR DAMAGED SAFETY MECHANISMS
LOOSE PARTS BLURRED OR INCORRECT NOMENCLATURE
WARNING
DO NOT EXTEND LAUNCHER UNTIL READY FOR USE
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11
FOR TACTICAL WEAPONS ONLY.
IF TIME PERMITS
CHECK IGNITER FOR DAMAGE
(BROKEN, CRACKED OR SPLIT)
(SEE INSTRUCTIONS FOR REMOVING CARRYING SLING)
IF SO DAMAGED
TAPE DAMAGED IGNITERS TO PREVENT LOSS OF IGNITION
MATERIAL. REPLACE SLING ASSEMBLY. CLOSE REAR COVER
AND REPLACE PULL PIN.
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12
SECTION II
CARRYING POSITION
TO CARRY
SLING OVER SHOULDER
WARNING
DO NOT CARRY WEAPON IN EXTENDED POSITION.
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13
SECTION III
BACK BLAST DANGER ZONES
WARNING
ZONE A
DO NOT FIRE UNLESS.. DANGER IN THIS AREA FROM BLAST,
HEAT, AND PROJECTED MATERIALS.
1. Back blast area is clear of personnel and obstructions.
ZONE B
2. Body extremities are clear of Rocket exhaust end. DANGER IN THIS AREA FROM PROJECTED MATERIALS
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14
SECTION IV
PREPARATION FOR FIRING
All weapons
(1) The following Steps Are Performed At
The Firing Point.
(2) REMOVE PULL PIN
(3) SWING COVER DOWN
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15
IF TWO ATTEMPTS TO LOCK LAUNCHER OPEN FAIL - CLOSE AND SET SYSTEM ASIDE FOR DISPOSAL BY AUTHORIZED
AMMUNITION PERSONNEL
(SEE SECTION X FOR CLOSING WEAPON)
(4) HOLD LAUNCHER SLIGHTLY AWAY BODY
(5) GRASP REAR SIGHT COVER - HOLD FIRMLY
BE SURE LAUNCHER SNAPS INTO LOCKED POSITION
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(6) EXTEND BY PUSHING OUT WITH RIGHT HAND
WARNING EXTENDING THE WEAPON TOO SLOWLY CAN RESULT IN FAILURE TO COCK THE WEAPON
16
SECTION V
FIRING POSITIONS
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17
SECTION VI
READY
WARNING
WEAR EAR PLUGS WHEN FIRING THE WEAPON.
WARNING
WEAR EAR PLUGS WHEN FIRING THE
WEAPON
(2) PLACE SIGHT AT EASY READING
DISTANCE.
(3) MOVE SAFETY TO
ARM
(5) PLACE FINGERTIPS ON TRIGGER
SPRING BOOT AS FAR BACK AS POSSIBLE.
(1) REST OPEN REAR COVER
AGAINST SHOULDER
(4) PLACE THUMB
UNDERNEATH AND
AROUND TUBE.
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18
SECTION VII
AIM
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19
SECTION VIII
FIRE
(6) SQUEEZE TRIGGER BY DEPRESSING
TRIGGER SPRING BOOT
PRESS BOOT
FIRMLY WITH FINGERTIPS
TO ASSURE FIRING
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20
SECTION IX
FAILURE OF WEAPON TO FIRE IMMEDIATELY
(1) RESQUEEZE TRIGGER FIRMLY
(2) IF WEAPON DOES NOT FIRE KEEP ON
SHOULDER AND PUSH TRIGGER SAFETY
HANDLE REARWARD TO SAFE POSITION
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21
(3) WAIT 10 SECONDS
THEN REMOVE LAUNCHER FROM SHOULDER
(4) WAIT 1 MINUTE BEFORE RECOCKING
If time is not available lay weapon down pointing at target -
abandon
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22
(6)
SQUEEZE
DETENT
BOOT
(5)
GRASP
REAR
SIGHT (7) PARTIALLY CLOSE LAUNCHER (APPROXIMATELY 4
SIGHTING INCHES)
(8)
SHARPLY SNAP
LAUNCHER OPEN
INTO LOCKED POSITION
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23
(9) PLACE LAUNCHER BACK ON SHOULDER
(10)
PULL SAFETY FORWARD TO ARM
(11) AIM
(12) DEPRESS TRIGGER BOOT FIRMLY TO FIRE
IF A RECOCKED WEAPON WHICH
HAS MISFIRED STILL DOES
NOT FIRE, PUSH TRIGGER
SAFETY HANDLE TO SAFE
POSITION AND WAIT
10 SECONDS
THEN
CAREFULLY LAY WEAPON ON GROUND FACING
TARGET AND EVACUATE AREA
NOTIFY AUTHORIZED DISPOSAL MUNITION
PERSONNEL FOR DISPOSAL OF WEAPON
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24
SECTION X
PREPARED FOR - BUT NOT FIRED
(1) RETURN SAFETY TO SAFE
(2) CAREFULLY REMOVE WEAPON FROM
SHOULDER
AR 4437
25
(7) GRASP LAUNCHER
(3)
NEAR FRONT SIGHT
GRASP LAUNCHER
AND
BY REAR SIGHT
HOLD DOWN FRONT SIGHT
HOUSING
(4)
SQUEEZE
DETENT
BOOT
(8) COMPRESS UNTIL
(5) SLIDE INNER TUBE INTO OUTER
EDGE OF INNER TUBE
TUBE APPROXIMATELY TWO
TOUCHES THUMB LIGHTLY
INCHES
(6)
REMOVE THUMB FROM DETENT
BOOT
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PERFORM ALL COMPRESSION ACTIONS
SLOWLY TO AVOID INJURY TO FINGERS
26
(9) FOLD DOWN REAR SIGHT
AND GUIDE UNDER HOUSING
(10) COMPRESS LAUNCHER UNTIL TRAVEL IS
STOPPED BY LIP ON FRONT SIGHT
(12)
REMOVE THUMB FROM
FRONT SIGHT AND GRASP
(11) PRESS FRONT SIGHT LIP
HOUSING
WITH THUMB AND SLOWLY
COMPRESS LAUNCHER
OVER LIP EDGE
(13)
CLOSE
LAUNCHER
FULLY
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27
(14)
REPLACE COVER PIN
(15) REPLACE BUFFER PLATE
(M72A3 ONLY)
(16)
REPLACE SLING ASSEMBLY
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28
CHAPTER 3
MAINTENANCE
SECTION I
OPERATOR MAINTENANCE
NORMAL CONDITION
KEEP LAW CLEAN AND DRY
UNUSUAL CONDITIONS
PROTECT LAW FROM MOISTURE,
SNOW, SLEET, CLEAN AS REQUIRED
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29
SECTION II
REPACK
RETURN ALL DEFECTIVE WEAPON SYSTEMS
TO AUTHORIZED MUNITIONS 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 RETURN
OF USED LAUNCHERS AS THEY
WILL BE REWORKED INTO
THE PRACTICE WEAPON SYSTEM
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30
NOTES
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31
THIS PAGE LEFT INTENTIONALLY BLANK
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U. S. GOVERNMENT PRINTING OFFICE: 1993 - 342-421 (81131)
32
*TM 9-1340-214-10
TECHNICAL MANUAL HEADQUARTERS
DEPARTMENT OF THE ARMY
NO. 9-1340-214-10 Washington, DC, 31 May 1991
By Order of the Secretary of the Army:
CARL E. VUONO
General, United States Army
Chief of Staff
Official:
THOMAS F SIKORA
Brigadier General, United 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 9-1340-214-10, dated January 1986.
PIN: 027411-001
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