Post on 16-Dec-2015
transcript
WPN 1003
INTRODUCTION TO WEAPONSMAINTENANCE
WPN 1003
INTRODUCTION TO WEAPONSMAINTENANCE
OVERVIEW
• M16A4 DISASSEMBLY• CARE AND CLEANING• M16A4 ASSEMBLY• FUNCTIONS CHECK
DISASSEMBLE THE M16
1) Always ensure your weapon is clear–Selector lever on safe–Point the weapon in a safe direction
2) Remove the sling
1 2
2
DISASSEMBLE THE M16
3) Push both takedown pins as far as they will go.4) Separate upper and lower receivers.
3
DISASSEMBLE THE M16
(5) Pull back charging handle and bolt
carrier.
(6) Remove charging handle.
(7) Remove bolt carrier and bolt.
5 & 6 7
DISASSEMBLE THE M16
8) Remove firing pin retaining pin.
9) Push bolt assembly inward to locked
position.
8 & 9
DISASSEMBLE THE M16
10) Drop firing pin out to the rear of bolt carrier.11) Remove bolt cam pin.12) Remove bolt assembly from carrier.
10
11
12
DISASSEMBLE THE M16
CHARGING HANDLE
FIRING PIN
CAM PIN
BOLT CARRIERFIRING PIN RETAIN PIN
BOLT ASSEMBLY
REMOVE THE BUFFER AND ACTION SPRING
13 & 14
13) Press in buffer, depress retainer, and release buffer.14) Remove buffer and action spring.
NORMAL MAINTENANCE
• INSPECTION– RUST– WORN, BROKEN, OR CRACKED PARTS– KEEP MUZZLE CLEAR
• BEFORE FIRING– LIGHT LUBRICANTS ON ALL MOVING PARTS– CHAMBER, BORE, FACE OF BOLT DRY
CLEANING GEAR COMPONENTS
• BORE BRUSH• CHAMBER BRUSH• GENERAL PURPOSE BRUSH• CLEANER, LUBRICANT, & PRESERVATIVE
BOTTLE• (3) CLEANING RODS AND HANDLE• CLEANING ROD TIP• POUCH
CLP
• CLEANER - Contains solvents.• LUBRICANT - Lays down a layer of
teflon.• PRESERVATIVE - Prevents rust
from forming.
CARE AND CLEANING:UPPER RECEIVER
• Attach three rod sections and bore brush together
• Apply CLP to the brush, drop it through chamber, and pull the cleaning rod through the barrel
• Inspect the bore• Attach patch holder• Insert rod through chamber
• Attach chamber brush to one rod and insert into chamber
• Scrub the chamber and bolt lugs by plunging and rotating
• Clean the interior with general purpose brush and CLP
• Dry the bore, chamber, and interior with patches
CARE AND CLEANING:UPPER RECEIVER
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
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
MAINTENANCE IN DIFFERENT CLIMATES
• Hot, wet (jungle): keep generously lubed
• Hot, dry (desert): keep free of dirt build up
–If CLP is used, use sparingly
• Cold, 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
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
LUBRICANTS:BOLT CARRIER GROUP
• Lube the outside of the cam pin area
• Lightly lube the charging handle
LUBRICANTS: LOWER RECEIVER
• Lightly lube the inside of the lower receiver
• Lube the inside moving parts and their pins
(1) Insert action spring and buffer. (2) Slide bolt into carrier.
2
REASSEMBLE THE M16A4
1
(3) Replace bolt cam pin.(4) Drop and seat firing pin.(5) Pull bolt out until extended.
3 4
5
REASSEMBLE THE M16A4
(6) Replace firing pin retaining pin.(7) Engage, then push charging handle part way.(8) Slide in bolt carrier group
6 7
8
REASSEMBLE THE M16A4
(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.
9 10
11 12
REASSEMBLE THE M16A4
REPLACE SLING
FUNCTION CHECK
• SAFE: Pull the charging handle to the rear and release, placing on safe, pull trigger, hammer should not fall
• Semi:• Selector lever on semi• Pull the trigger and hold, the hammer should fall• While holding the trigger to the rear charge the
weapon once• Release the trigger, you will hear a clunk • Squeeze the trigger again, the hammer should
fall
FUNCTION CHECK
• Charge the weapon once and place on burst: • Squeeze the trigger, the hammer should fall • While 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 fall
• Charge the weapon once and place the weapon on safe
• Close the ejection port cover
FUNCTION CHECK
SUMMARY
• M16A4 DISASSEMBLY• CARE AND CLEANING• M16A4 ASSEMBLY• FUNCTIONS CHECK