Yes Ppd
Press inside edge of sear retractor assembly to release sear retractor, and cycle receiver into MISFIRE. Press and release sear release link while turning straight drive shaft in FIRE direction until master link is locked in SEAR. Repair chain guides and mechanical interlock WP 0069 00 ._ If automatic gun feeder is not going to be installed, raise drive shaft to prevent damage. Auto gun receiver manual cycle check is complete and receiver is timed. AUTO GUN RECEIVER BOTTOM VIEW SEAR M242 25-MM...
Warning
Failure to replace the breech assembly and the firing pin at the specified intervals may result in explosion or unexpected firing of the gun. Serious injury or death to personnel and damage to equipment may result. When handling material contaminated by Depleted Uranium DU , avoid skin contact with the corrosion by wearing NBC gloves. Always flush hands before eating or touching your face. Dispose of gloves in accordance with AR 11-9. If M919 usage is suspected, prior to performing any M242...
Warning Fgr
If weapon has been determined to be contaminated radioactive , all warnings at the beginning of WP 0022 00 shall be in effect. Auto gun receiver is too heavy for one person to lift. Get help to lift or carry auto gun receiver. Do not wear jewelry when working on gun. Serious injury or death may occur. Keep your fingers away from moving parts of gun. Serious injury or death may occur. 1. PLACE AUTO GUN RECEIVER ON A CLEAN, FLAT SURFACE. Position auto gun receiver 1 with latch bracket 2 on top as...
Warning Uoq
If weapon has been determined to be contaminated radioactive , all warnings at the beginning of WP 0022 00 shall be in effect. Auto gun receiver is too heavy for one person to lift. Get help to lift or carry automatic gun receiver. Do not wear jewelry when working on the gun. Serious injury or death may occur. Keep your fingers away from moving parts of gun. Serious injury or death may occur. Artillery and turret mechanic's tool kit item 41, WP 0085 00 Turret mechanic's supplemental tool kit...
Caution Cri
Do not drop lockwire pieces into gun. Wire can get between moving parts and damage gun. 3. INSTALL LOCKWIRE ON ELECTRICAL CONNECTOR. Lockwire electrical sear solenoid connector 9 to connector lock ring 11 . Discard wire pieces. 4. INSTALL AUTOMATIC GUN FEEDER WP 0026 00 . END OF WORK PACKAGE M242 25-MM AUTOMATIC GUN NSN 1005-01-086-1400 M242 25-MM ENHANCED AUTOMATIC GUN NSN 1005-01-454-0396 HANDLE PIN REMOVAL INSTALLATION REMOVAL, INSPECTION, LUBRICATION, INSTALLATION Artillery and turret...
No 1
Install forward feed assembly WP 0034 00 . Install automatic gun feeder WP 0026 00 . Remove forward feed assembly WP 0034 00 and check bushings for galls and bends. Do these conditions exist Replace forward feed assembly WP 0034 00 and send defective forward feed assembly to Direct Support Maintenance for replacement of defective bushings. M242 25-MM AUTOMATIC GUN NSN 1005-01-086-1400 M242 25-MM ENHANCED AUTOMATIC GUN NSN 1005-01-454-0396 Tools and Special Tools Equipment Conditions Artillery...
Warning Ubv
If weapon has been determined to be contaminated radioactive , all warnings at the beginning of WP 0022 00 shall be in effect. Auto gun receiver is too heavy for one person to lift. Get help to lift or carry automatic gun receiver. Do not wear jewelry when working on the gun. Serious injury or death may occur. Keep your fingers away from moving parts of gun. Serious injury or death may occur. a. Pull sear sleeve-pivot 1 from auto gun receiver 2 . b. Lift sear assembly 3 out of auto gun receiver...
Note Nac
This procedure is typical for installing plain encased seals. The following procedure is written for one plain encased seal, but applies to all three plain encased seals. a. Place plain encased seals 5 in end of housing bore 6 . b. Place wood block against plain encased seal 5 . c. Lightly tap on wood block until plain encased seal 5 is seated in housing bore 6 . 5. ASSEMBLE FEEDER DRIVE ASSEMBLY WP 0073 00 . END OF WORK PACKAGE M242 25-MM AUTOMATIC GUN NSN 1005-01-086-1400 M242 25-MM ENHANCED...
T
Cloth MIL-C-20696, Type 1, Class 3, NSN 8305-00-515-4244 Drawcord MIL-C-7515, Type 1, NSN 4020-00-113-3896 2. All dimensions are in inches. Manufacture Instructions for Index Drive Cover Shim 1. Make from 0.020 in. shim stock, MS22499 3-005, NSN 9515-00-003-6943. 2. All dimensions are in inches. Manufacture Instructions for Recoil Mechanism Damper Rod Tool Use with Recoil Housing Cap Part Number Use with Recoil Housing Cap with Overall Height of 12524422 Revision B or Lower 12524422 Revision C...
Note Vdl
There are six pan head screws and one flat head screw. The flat head screw goes through the cable connector. b. Install seven screws 4 through the three switch actuator adapters 3 and cable connector 5 into index drive cover 6 . Torque screws to 36 in.-oz 4 in.-oz. 0.254 N-m 0.028 N-m . c. Turn index drive cover 6 over with bushing flanges 7 on top. d. Install seven new self-locking nuts 8 on screws 4 . Torque self-locking nuts to 36 in.-oz 4 in.-oz. 0.254 N-m 0.028 N-m . e. Check distance...
Note Gbn
Have a helper hold barrel with a strap wrench while torquing the spanner nut. r. Using spanner wrench, torque spanner nut to 50 ft-lb 5 ft-lb 67.8 N-m 6.7 N-m . s. Bend locking tab washer 11 tabs into spanner nut 6 notches. with locking tab washer 2. INSTALL BARREL ASSEMBLY WP 0023 00 . with locking tab washer 2. INSTALL BARREL ASSEMBLY WP 0023 00 . M242 25-MM AUTOMATIC GUN NSN 1005-01-086-1400 M242 25-MM ENHANCED AUTOMATIC GUN NSN 1005-01-454-0396 FEED CHUTE LATCH PINS REMOVAL INSTALLATION...
Note Yli
Recoil damper rod does not need to be held when using the damper rod tool. g. While holding recoil damper rod 4 with one hand, gently push down on 1 8-in. x 12-in. welding rod 1 2-in. 12.7 mm . Hold for 30 seconds to allow fluid to flow into lower reservoir. h. Repeat steps d through g until damper reservoir is full of fluid. i. Using a clean, dry wiping rag, wipe off top of recoil mechanism 1 and around filler hole 19 . j. Install a new preformed packing 18 on damper housing plug 3 . Install...
Caution Ujt
Place feeder handle in down locked position to protect electrical connector on bottom of automatic gun feeder. 1. POSITION FEEDER DRIVE ASSEMBLY. Place feeder drive assembly 1 on a clean, flat surface with electrical solenoid 2 on bottom as shown. Remove feeder standoff 3 from feeder drive assembly 1 . Visually inspect feeder standoff for stripped threads, bends, cracks, and chips. If any of these conditions are found, replace feeder standoff. Visually inspect rear plate assembly for loose or...
Warning Bdk
If weapon has been determined to be contaminated radioactive , all warnings at the beginning of WP 0022 00 shall be in effect. Do not wear jewelry when working on the gun. Serious injury or death may occur. Wear eye protection when using striking instruments. You can be blinded if flying chips hit you in the eye. 1. POSITION FORWARD FEED ASSEMBLY. Place forward feed assembly 1 on a clean, flat surface. 2. REMOVE ROUND FLANGED SLEEVE BUSHING. Using inside puller, remove the round sleeve bushing...
Caution Vbj
Place feeder handle in down locked position to protect electrical connector on bottom of automatic gun feeder. 1. POSITION AUTOMATIC GUN FEEDER. Place automatic gun feeder 1 on a clean, flat surface with feeder handle 2 in down position as shown. 2. GAIN ACCESS TO FORWARD FEEDER GATE CAPSCREWS. a. Pull out on both feed shaft stop buttons 3 . Hold buttons out until next step is complete. b. Turn upper and lower feed sprocket assemblies 4 until capscrew 5 is visible. 3. REMOVE FORWARD FEEDER...
Note Oey
The rotor stub and cam set are a matched set. Replace as a set, if necessary. a. Visually inspect cam set 32 , and index drive shaft 33 for broken teeth and physical damage. If either of these conditions are found, replace defective part. b. Visually inspect rotor stub 34 for damaged splines and binding rollers. If either of these conditions are found, replace rotor stub.
Note Xxs
Annular ball bearings may have stuck to mechanical housing during removal. 5. INSTALL CLUTCH ASSEMBLY. a. If not in mechanical housing install annular ball bearing 1 on geared end of clutch assembly 2 . b. Insert splined end of clutch assembly 2 in bevel gear 3 . At the same time, install spur gear cluster 4 until it mates with spur clutch gearshaft 5 of clutch assembly 2 . a. Push release link 6 on electrical sear solenoid 7 and install mechanical housing 8 on auto gun receiver 9 . b. Tap...
Warning Cci
Wear eye protection when removing worm shaft retaining ring. Serious injury may occur if retaining ring hits you in the eye. a. Using large internal retaining ring pliers, remove worm shaft retaining ring 21 . b. Grasp worm shaft assembly 22 and twist clockwise until it comes out of feeder housing assembly 1 . c. Pull rod 23 out of worm shaft assembly 22 .
Note Uqm
Follow the alphabetical torque pattern to ensure that binding does not occur. l. Torque capscrews 19 to 80 in.-lb 5.0 in.-lb 9.04 N-m 0.57 N-m in accordance with torque pattern. m. Trip automatic gun feeder 7 out of sear and turn the worm shaft nut 24 counterclockwise through three complete feed cycles. If binding occurs, repeat steps c through h. 6. PERFORM AUTOMATIC GUN FEEDER ELECTRICAL CHECK WP 0006 00 . 7. INSTALL AUTOMATIC GUN FEEDER WP 0026 00 . END OF WORK PACKAGE M242 25-MM AUTOMATIC...
Note Jhj
Use helper to turn gear for next step. i. Push in gear clutch tool handle 8 and hold in place. j. Grasp gear end of spur gearshaft 5 and turn until lugs 6 are 90 degrees from gear clutch tool handle shaft 13 . k. Install spur gear 14 on spur gearshaft 5 until bottom of spur gear 14 is flush with top of gear clutch tool 1 . l. Hold spur gear 14 flush with gear clutch tool 1 and push up on gear end of spur gearshaft 5 until hole 15 in end of spur gearshaft 5 is above the spline on the spur gear...
Caution Qgj
Do not clean bearing in solvent or allow solvent to run into bearing. Solvent will remain in bearing and dissolve lubricant, resulting in excessive wear or damage to bearing. 2. CLEAN FEED SHAFT SECTION COMPONENTS. Using brush and solvent, clean rear plate assembly 8 , spur gears 9 and 10 , shouldered shafts 11 and 12 , yoke actuator 13 , fork shaft assembly 14 , clutch yoke assembly 15 , gear clutch assembly 16 , worm wheel gear 17 , and lower and upper sliding sleeve clutches 18 . 3. CLEAN...
Caution Cgw
Use helper to hold feeder housing assembly. a. Stand feeder housing assembly 1 on end with spur gears 11 and 12 on top. b. Pull two spur gears 11 and 12 from shouldered shafts 13 and 14 . 7. REMOVE YOKE ACTUATOR AND FORK SHAFT ASSEMBLY. a. Slide yoke actuator 15 out of feeder housing assembly 1 . b. Screw 5 mm capscrew into fork shaft assembly 16 . c. Pull fork shaft assembly 16 out of feeder housing assembly 1 .
Note Yvk
Do not apply grease to outside surface of rear plate assembly. a. Apply a light coat of grease to bearings in rear plate 8 , spur gears 9 , fork shaft assembly 10 , yoke actuator 11 , worm wheel gear 12 , gear clutch assembly 13 , and clutch yoke assembly 14 . b. Apply a generous coat of grease to cartridge stops 15 on rear plate 8 . 3. LUBRICATE INDEX DRIVE SHAFT ASSEMBLY. Apply a light coat of grease to cam set 16 , rotor stub 17 , and index drive shaft 18 . 4. LUBRICATE PAWL-SHAFT ASSEMBLY,...
Note Ynp
Steps a and b are to be done at the same time. There are two sets of timing marks on larger gear on the gear clutch assembly and one set on the small gear. It may be necessary to rotate the worm shaft nut to allow for alignment of timing marks. a. Place gear clutch assembly 30 into feeder housing assembly 2 , with long shaft on top and the timing marks on the small gear 31 pointing towards the upper feed shaft 32 . b. Time gear clutch assembly 30 by aligning three timing marks 33 .
Note Aqf
Do not apply grease to threads of rocker support rod. Using acid brush, apply a light coat of grease on externally relieved screw 1 , headed straight pin 2 , sear release link 3 , interlock crank 4 , push rod extension 5 , sear push rod 6 , push rod extension spring 7 , rocker support rod 8 , rocker 9 , rocker spring housing 10 , recoil rocker spring 11 , and operating rod assembly 12 . Place operating rod assembly 1 in auto gun receiver 2 with step-up portion 3 on top. a. Position short forks...
Note Ktr
Worm shaft gear and bevel gear are parts of a serialized, matched set. Both gears must be replaced if either part is defective. Index drive shaft and index drive assembly are parts of a serialized, matched set. Both parts must be replaced if either part is defective. 1. INSPECT WORM SHAFT ASSEMBLY COMPONENTS. a. Visually inspect worm shaft 1 and bevel gear 2 for wear, cracks, broken teeth, and stripped threads. If any of these conditions are found, replace defective part. b. Visually inspect...
Nomenclature Crossreference List
AP Breech Clevis Drive Feed HE Hex Link Link Mechanical Interlock Needle Bearing Motor Sear Plug Rear Plate Assembly Spin Track Worm Shaft Nut Self-Locking Helical Coil Insert Spin-Style Socket Wrench Handle Roller Chain Track Round Worm Plain Nut
Warning Ntw
Dry cleaning solvent SD is flammable and toxic. Use in well-ventilated area away from an open flame or a smoking area. This solvent evaporates quickly and has a drying effect on the skin. It may cause cracks in the skin and, in some cases, mild irritation or inflammation. If solvent comes in contact with eyes or skin, flush with water. CLEAN REAR PLATE ASSEMBLY AND FEED PLATE ASSEMBLY PARTS. Using brush and dry cleaning solvent, clean rear feed plate 1 , cartridge stops 2 , rear gate assembly 3...
Cleaning
a. GENERAL. All parts must be cleaned well and kept clean during maintenance. Dirt or foreign matter can cause malfunctions and equipment failure. Cleaning procedures are covered in the task relating to the specific part. When using adhesives, paint, or dry cleaning solvent, apron, gloves, and goggles should be worn, and a respirator should be used if not working in a well-ventilated area. b. AVOID ABRASIVES. Except where called for in a task, do not use abrasives, files, wire brushes, or sharp...
Note Xdj
If you are installing an electrical feed select solenoid with an integral wiring harness PN 12524181 , proceed to step 2. 1. ASSEMBLE ELECTRICAL FEED SELECT SOLENOID BODY AND WIRING HARNESS. a. Install harness connector 1 into electrical feed select solenoid body 2 with two captive screws 3 . b. Lockwire two captive screws 3 . 2. INSTALL ELECTRICAL FEED SELECT SOLENOID. a. Push red select knob 4 in until it stops. b. Place plunger tip 5 into fork actuator T-slot 6 in automatic gun feeder 7 and...
Warning Hzd
Wear eye protection when installing springs or using striking instruments. You can be blinded if springs or flying chips hit you in the eye. a. Insert beveled end of new spring pin 6 in pin hole 5 . b. Tap spring pin 6 into pin hole 5 until spring pin 6 is flush with top of auto gun receiver 1 . 3. INSTALL HELICAL SPRING AND SETSCREW. a. Insert helical spring 7 in handle pin 3 . b. Install setscrew 8 in handle pin 3 . Torque setscrew 8 to 325 in.-lb 25 in.-lb 36.73 N-m 2.83 N-m . a. Push handle...
Note Cpo
Use helper to compress helical spring during next step. g. Compress helical spring until it clears pin hole 3 . h. Tap spring pin 6 in as far as it will go clearing end of helical spring. i. Continue tapping spring pin 6 until pin is flush with feed shaft stop sleeve 1 . j. Pull feed shaft stop button 2 out until you can look through spring slot 4 . There should be spring tension on the feed shaft stop button 2 and the helical spring should not be visible in the slot. k. If the helical spring...
ELECTRICAL SYSTEM OPERATION Continued
SHUNT POWER SHUNT RETURN ARMATURE AND FEED SOLENOID I RETURN J NORMAL SHUTDOWN SENSOR J SEARED 1 P2 is only used on PN 12524168 amp 12524404 Feed Select Solenoids. The Feed Select Solenoid Harness is hard wired on the PN 12524181 Feed Select Solenoid. Feed Select Solenoid P1 Pin N Jumper Wire is only installed on PN 12524403 Feed Select Solenoid Harness. Motor J1 Pin U Jumper Wire is only installed on PN 12524409 Direct Current Motor. Figure 3. Electrical Wiring Diagram for Standard M242 Gun....
ASSEMBLY Continued Ydd
7. INSTALL RECOIL SPRING COMPRESSION TOOL ONTO RECOIL MECHANISM. a. Prepare recoil spring compression tool 13 by holding center section 14 and turn outer section 15 clockwise until six threads can be seen in cutout 16 of tool. b. Place the recoil spring compression tool 13 over top of the recoil mechanism 7 . c. Screw entire recoil spring compression tool 13 clockwise onto threads of recoil mechanism 7 until seated. 8. REPOSITION RECOIL MECHANISM AND RECOIL SPRING COMPRESSION TOOL IN VISE. a....
Note Wtp
An idler sprocket shaft from the track assembly can be used to push down on rear of firing pin sleeve. c. Press rear of firing pin sleeve 5 down and remove firing pin sleeve keeper 4 . d. Rotate firing pin tang 3 to the side and slide firing pin assembly 6 and firing pin sleeve 5 from rear of breech bolt 2 . 3. REMOVE FIRING PIN SLEEVE FROM FIRING PIN ASSEMBLY. Pull firing pin sleeve 5 from firing pin assembly 6 .
Location And Description Of Major Components
a. BARREL ASSEMBLY Mounts in front end of auto gun receiver. The barrel gives directional control to the projectile and brakes some of the barrel recoil. The ribbed barrel has two types of internal finishes, nitride and chrome. While either type of barrel is usable on the standard gun, the chrome barrel is required for the enhanced gun. The non-ribbed barrel is only used on the standard gun. 1 Mounts on top of auto gun receiver. 2 Removes linked ammunition from chutes. 4 Places round into face...
Note Big
All three stepped spacers are the same. Visually inspect stepped spacers for stripped threads, bends, cracks, and chips. If any of these conditions are found, replace stepped spacer s . 1. INSTALL LOWER CENTER STEPPED SPACER. a. Insert lower center stepped spacer 1 into recessed hole in feeder drive assembly 2 . Install capscrew 3 until it stops. b. Torque capscrew 3 to 160 in.-lb 10 in.-lb 18.08 N-m 1.13 N-m . 2. INSTALL LOWER RIGHT STEPPED SPACER. a. Position feeder drive assembly 2 on side...
Caution Ydm
Place feeder handle in down locked position to protect electrical connector on bottom of automatic gun feeder. 1. PLACE M242, 25-MM AUTOMATIC GUN ON A CLEAN, FLAT SURFACE. Position M242, 25-mm automatic gun 1 as shown. 2. LOCK M242, 25-MM AUTOMATIC GUN IN SEAR POSITION. a. Rotate straight drive shaft 2 counterclockwise until M242, 25-mm gun stops and becomes locked. b. Visually check bolt position indicator 3 to verify that M242, 25-mm automatic gun 1 is locked in SEAR position. c. If M242,...
Note Gwm
The drive sprocket retainer may have fallen into the receiver assembly. Look on receiver drive gear if the drive sprocket retainer is missing. c. Pull drive sprocket retainer 4 from track 2 . d. Remove drive sprocket wheel 5 from track 2 . e. Remove chain 6 from track 2 . f. Turn track 2 so that clevis nut 7 is visible.
Auto Gun Receiver Operation
a. AUTO GUN RECEIVER Rams and fires rounds. Extracts and ejects spent cases or unfired rounds. Contains a mechanical interlock system that stops the gun if a round misfires or hangfires. The auto gun receiver consists of the receiver gears, track assembly, and bolt and carrier assembly, and includes the following subassemblies 1 BARREL SUPPORT ASSEMBLY Holds breech assembly in auto gun receiver and supports barrel. 2 RECOIL MECHANISM Absorbs most of recoil force when round fires. The enhanced...
Note Utu
Straight headless pin can be installed only one way. b. Install straight headless pin 3 , chamfered end first, into hole in auto gun receiver 2 and through sear catch assembly 1 . 2. INSTALL COVER ASSEMBLY WP 0063 00 . 3. PERFORM AUTO GUN RECEIVER MANUAL CYCLE CHECK WP 0008 00 . 4. INSTALL AUTOMATIC GUN FEEDER WP 0026 00 . END OF WORK PACKAGE M242 25-MM AUTOMATIC GUN NSN 1005-01-086-1400 M242 25-MM ENHANCED AUTOMATIC GUN NSN 1005-01-454-0396 SEAR ASSEMBLY REMOVAL INSTALLATION REMOVAL,...
Caution Utw
Do not drop lockwire pieces into gun. Wire can get between moving parts and damage gun. a. Visually inspect automatic gun feeder 1 for cracked, bent, or broken parts. If any of these conditions exist, replace those defective parts. b. Visually inspect automatic gun feeder 1 for loose or missing hardware. Tighten or replace hardware as needed. c. Visually inspect link strippers 2 , cam bushing screw 3 , ejection chute 4 , cartridge guide 5 , worm shaft nut 6 , and wire harness 7 for installed...
Caution Piz
Do not drop lockwire pieces into gun. Wire can get between moving parts and damage gun. M242 25-MM AUTOMATIC GUN NSN 1005-01-086-1400 M242 25-MM ENHANCED AUTOMATIC GUN NSN 1005-01-454-0396 TRACK HOOK LATCH REMOVAL INSTALLATION REMOVAL, INSPECTION, LUBRICATION, INSTALLATION Artillery and turret mechanic's tool kit item 41, WP 0085 00 Turret mechanic's supplemental tool kit item 44, WP 0085 00 Acid brush item 4, WP 0116 00 Cotter pin MS24665-283 Grease item 11, WP 0116 00 WP 0026 00 Automatic gun...
Warning Wam
Serious injury can result if fingers or hands are caught between roller chain assembly and drive or idler sprocket wheels. a. Align bolt and track assembly 1 with auto gun receiver 2 . b. While pushing in sear release link 3 , lower bolt and track assembly 1 into auto gun receiver 2 . Make certain bolt and track assembly 1 is firmly seated in auto gun receiver 2 . c. Lock bolt and track assembly 1 into auto gun receiver 2 by lifting up on track hook latch 4 until it stops against bottom of auto...
Note Osj
The following definitions are applicable to the repair maintenance function Services - Inspect, test, service, adjust, align, calibrate, and or replace. Fault location troubleshooting - The process of investigating and detecting the cause of equipment malfunctioning the act of isolating a fault within a system or Unit Under Test UUT . Disassembly assembly - The step-by-step breakdown taking apart of a spare functional group coded item to the level of its least component, that is assigned an SMR...
Differences Between Standard And Enhanced M Guns
a. M242 ENHANCED GUN IDENTIFICATION. The Enhanced M242 gun M242 ENH can be identified by the following markings Receiver, PN 12524301 Stamped with M242 ENH on the receiver side. Feeder Assembly, PN 12524100-1 Has quick detachable bridges. Barrel Assembly, PN 12524520 Ribbed barrel assembly with chrome lined bore. b. M242 ENHANCED GUN UNIQUE COMPONENTS. While the Standard and Enhanced M242 guns share many common components, the Enhanced M242 uses a number of components that are unique and are...
PageWPChange
a - B i - WP 0001 00 - 0116 00 0 Index-1 - Index-14 0 Zero in this column indicates an original page ARMY No. 9-1005-200-23 amp P MARINE CORPS No. 08672A-23 amp P HEADQUARTERS DEPARTMENT OF THE ARMY U.S. MARINE CORPS WASHINGTON, DC, 11 June 2001 UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST
Gun Enhanced Automatic Mm M Wequipment Eic Te
SUPERSEDURE NOTICE. This manual supersedes TM 9-1005-200-20 amp P, dated May 1992, TM 9-1005-200-30 amp P, dated August 1992, TM 08672A-20 amp P 1, dated May 1992, and TM 08672A-30 amp P 2, dated August 1992, including all changes. DISTRIBUTION STATEMENT C. Distribution authorized to US Government agencies and their contractors. This publication is required for administration and operational purposes, as determined on 2 February 1987. Other requests for this document shall be referred to...
No Qak
Repair track assembly by replacing defective chain WP 0056 00 ._ Remove rear chain guide WP 0069 00 . Check sear push rod, interlock crank, push rod extension, and sear release link for cracks, bends, galling, and obvious wear. Check push rod extension spring for improper free length. Proper free length is 1 2 in. 3 32 in. 12.7 mm 2.4 mm . Do these conditions exist Repair chain guide and rocker assembly by replacing defective mechanical interlock parts WP 0069 00 .
Note Unz
The following data will be legibly marked on the bagged barrel assembly before installing in container. a. NSN 1005-01-088-4359 non-ribbed . NSN 1005-01-350-5264 ribbed . NSN 1005-01-433-8405 chrome . c. Preservation level A and date MO YR . INSTALLATION OF BARREL ASSEMBLY IN CONTAINER 1. INSTALL BAGGED BARREL ASSEMBLY IN CONTAINER. a. Install lower supports in container. b. Position bagged barrel in container as shown.