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WPN 1003 INTRODUCTION TO WEAPONS MAINTENANCE. WPN 1003 INTRODUCTION TO WEAPONS MAINTENANCE.

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Presentation on theme: "WPN 1003 INTRODUCTION TO WEAPONS MAINTENANCE. WPN 1003 INTRODUCTION TO WEAPONS MAINTENANCE."— Presentation transcript:

1 WPN 1003 INTRODUCTION TO WEAPONS MAINTENANCE

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3 WPN 1003 INTRODUCTION TO WEAPONS MAINTENANCE

4 OVERVIEW M16A4 DISASSEMBLY M16A4 DISASSEMBLY CARE AND CLEANING CARE AND CLEANING M16A4 ASSEMBLY M16A4 ASSEMBLY FUNCTIONS CHECK FUNCTIONS CHECK

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6 DISASSEMBLE THE M16 1)Always ensure your weapon is clear 1) Always ensure your weapon is clear –Selector lever on safe –Point the weapon in a safe direction 2) Remove the sling 1 2

7 2 DISASSEMBLE THE M16

8 3) Push both takedown pins as far as they will go. 4) Separate upper and lower receivers. 3 DISASSEMBLE THE M16

9 (5) Pull back charging handle and bolt carrier. carrier. (6) Remove charging handle. (7) Remove bolt carrier and bolt. 5 & 6 7 DISASSEMBLE THE M16

10 8) Remove firing pin retaining pin. 9) Push bolt assembly inward to locked position. position. 8 & 9 DISASSEMBLE THE M16

11 10) Drop firing pin out to the rear of bolt carrier. of bolt carrier. 11) Remove bolt cam pin. 12) Remove bolt assembly from carrier. carrier DISASSEMBLE THE M16

12 CHARGING HANDLE FIRING PIN CAM PIN BOLT CARRIER FIRING PIN RETAIN PIN BOLT ASSEMBLY

13 REMOVE THE BUFFER AND ACTION SPRING 13 & 14 13) Press in buffer, depress retainer, and release buffer. and release buffer. 14) Remove buffer and action spring.

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15 NORMAL MAINTENANCE INSPECTIONINSPECTION – RUST – WORN, BROKEN, OR CRACKED PARTS – KEEP MUZZLE CLEAR BEFORE FIRINGBEFORE FIRING – LIGHT LUBRICANTS ON ALL MOVING PARTS – CHAMBER, BORE, FACE OF BOLT DRY

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17 CLEANING GEAR COMPONENTS BORE BRUSHBORE BRUSH CHAMBER BRUSHCHAMBER BRUSH GENERAL PURPOSE BRUSHGENERAL PURPOSE BRUSH CLEANER, LUBRICANT, & PRESERVATIVE BOTTLECLEANER, LUBRICANT, & PRESERVATIVE BOTTLE (3) CLEANING RODS AND HANDLE(3) CLEANING RODS AND HANDLE CLEANING ROD TIPCLEANING ROD TIP POUCHPOUCH

18 CLP CLEANER - Contains solvents.CLEANER - Contains solvents. LUBRICANT - Lays down a layer of teflon.LUBRICANT - Lays down a layer of teflon. PRESERVATIVE - Prevents rust from forming.PRESERVATIVE - Prevents rust from forming.

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20 CARE AND CLEANING: UPPER RECEIVER Attach three rod sections and bore brush togetherAttach three rod sections and bore brush together Apply CLP to the brush, drop it through chamber, and pull the cleaning rod through the barrelApply CLP to the brush, drop it through chamber, and pull the cleaning rod through the barrel Inspect the boreInspect the bore Attach patch holderAttach patch holder Insert rod through chamberInsert rod through chamber

21 Attach chamber brush to one rod and insert into chamberAttach chamber brush to one rod and insert into chamber Scrub the chamber and bolt lugs by plunging and rotatingScrub the chamber and bolt lugs by plunging and rotating Clean the interior with general purpose brush and CLPClean the interior with general purpose brush and CLP Dry the bore, chamber, and interior with patchesDry the bore, chamber, and interior with patches CARE AND CLEANING: UPPER RECEIVER

22 CARE AND CLEANING: BOLT CARRIER Scrub with the all purpose brush and CLP Insert a swab into the rear of the bolt and swab out the firing pin recess and gas ports Dry with cloth rags or patches Q-tips or pipe cleaners One drop of CLP

23 CARE AND CLEANING: LOWER RECEIVER Clean buffer recess with cloth dipped in CLP Ensure it is free of dirt, mud Apply 1 drop of CLP to each pin of the trigger assembly Dry up excess with q-tips Lube/apply light coat

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25 MAINTENANCE IN DIFFERENT CLIMATES Hot, wet (jungle): keep generously lubedHot, wet (jungle): keep generously lubed Hot, dry (desert): keep free of dirt build upHot, dry (desert): keep free of dirt build up –If CLP is used, use sparingly

26 Cold, arctic (snow): use lubricating oil, arctic weapons (LAW) if temperature exceeds below -35 degreesCold, arctic (snow): use lubricating oil, arctic weapons (LAW) if temperature exceeds below -35 degrees –If taken inside, wipe moisture away and apply lubricant. –May have to leave weapon in protected area MAINTENANCE IN DIFFERENT CLIMATES

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28 LUBRICANTS: UPPER RECEIVER Lightly lube the inside of the upper receiver, bore, chamber, outer surfaces of the barrel, and surfaces of the handguard Lube all parts of the rear sight assembly

29 LUBRICANTS: BOLT CARRIER GROUP Lube the outside of the cam pin area Lightly lube the charging handle

30 LUBRICANTS: LOWER RECEIVER Lightly lube the inside of the lower receiver Lube the inside moving parts and their pins

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32 (1) Insert action spring and buffer. (2) Slide bolt into carrier. 2 REASSEMBLE THE M16A4 1

33 (3) Replace bolt cam pin. (4) Drop and seat firing pin. (5) Pull bolt out until extended REASSEMBLE THE M16A4

34 (6) Replace firing pin retaining pin. (7) Engage, then push charging handle part way. (8) Slide in bolt carrier group REASSEMBLE THE M16A4

35 (9) Push charging handle and bolt carrier group together. (10) Join upper and lower receivers. (11) Engage takedown pins. (12) Ensure weapon is on SAFE REASSEMBLE THE M16A4

36 REPLACE SLING

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38 FUNCTION CHECK SAFE: Pull the charging handle to the rear and release, placing on safe, pull trigger, hammer should not fallSAFE: Pull the charging handle to the rear and release, placing on safe, pull trigger, hammer should not fall

39 Semi:Semi: Selector lever on semiSelector lever on semi Pull the trigger and hold, the hammer should fallPull the trigger and hold, the hammer should fall While holding the trigger to the rear charge the weapon onceWhile holding the trigger to the rear charge the weapon once Release the trigger, you will hear a clunkRelease the trigger, you will hear a clunk Squeeze the trigger again, the hammer should fallSqueeze the trigger again, the hammer should fall FUNCTION CHECK

40 Charge the weapon once and place on burst:Charge the weapon once and place on burst: Squeeze the trigger, the hammer should fallSqueeze the trigger, the hammer should fall While holding the trigger to the rear, charge the weapon three timesWhile holding the trigger to the rear, charge the weapon three times Release the trigger, you should hear an audible clunk. Squeeze the trigger again, the hammer should fallRelease the trigger, you should hear an audible clunk. Squeeze the trigger again, the hammer should fall Charge the weapon once and place the weapon on safeCharge the weapon once and place the weapon on safe Close the ejection port coverClose the ejection port cover FUNCTION CHECK

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42 SUMMARY M16A4 DISASSEMBLY M16A4 DISASSEMBLY CARE AND CLEANING CARE AND CLEANING M16A4 ASSEMBLY M16A4 ASSEMBLY FUNCTIONS CHECK FUNCTIONS CHECK


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