Transcript GYSGT DELFOSSE

INTRODUCTION TO WEAPONS
MAINTENANCE
WPN 1003
INTRODUCTION TO WEAPONS
MAINTENANCE
WPN 1003
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
DISASSEMBLE
THE M16
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
CAM PIN
CHARGING HANDLE
BOLT ASSEMBLY
BOLT CARRIER
FIRING PIN RETAIN PIN
FIRING PIN
REMOVE THE BUFFER AND
ACTION SPRING
13) Press in buffer, depress retainer,
and release buffer.
14) Remove buffer and action spring.
13 & 14
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
CARE AND CLEANING:
UPPER RECEIVER
• 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:
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
MAINTENANCE IN DIFFERENT
CLIMATES
• 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
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
REASSEMBLE THE M16A4
(1) Insert action spring and buffer.
(2) Slide bolt into carrier.
1
2
REASSEMBLE THE M16A4
(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
11
10
12
REPLACE SLING
FUNCTION CHECK
• SAFE: Pull the charging handle to
the rear and release, placing on
safe, pull trigger, hammer should
not fall
FUNCTION CHECK
•
•
•
•
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
SUMMARY
• M16A4 DISASSEMBLY
• CARE AND CLEANING
• M16A4 ASSEMBLY
• FUNCTIONS CHECK