Remington Power Tools 494 - Manual (Page 20)

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101437
Tool Disassembly and Assembly
WARNING: Always unload a powder actuated tool before disassembling, replacing barrel,
cleaning, or assembling. !
WARNING ICON G 001
ASSEMBLY
1. Place buffer, small end first, in muzzle cap.
Push piston all the way into the barrel.
Screw muzzle cap into barrel.
2. Drop breech spring in receiver. Drop breech
in receiver. Line up slot in top of breech with
hole in the receiver. Use barrel to push
breech assembly up in the receiver.
Muzzle
Cap
Buffer
(Small End in Muzzle Cap)
Piston
Barrel
3. Insert stop pin through hole in receiver and
into the slot on breech. Remove barrel as-
sembly. Breech should remain in place.
Barrel Assembly
Receiver
Breech
Breech
Spring
Stop Pin in Breech Slot
Barrel Assembly
Breech Spring
Stop Pin
Receiver
Breech
Hole
4. Reinsert barrel assembly slotted side down
into receiver. Turn tool over. With barrel
touching breech, insert tang and tang spring
into hole on bottom of receiver. Make sure
tang drops into the slot in the barrel. Screw
on tang cap completely. Tang cap must
always be kept tight to ensure proper opera-
tion of tang.
Breech
Receiver
Barrel Assembly
Slot in
Barrel
Tang Cap
Tang Spring
Tang
5. Place sear spring on breech through slot in
bottom of receiver. Slide long side of sear
with hole between breech and breech
spring. Attach firing pin spring to firing pin.
Insert firing pin through hole on end of the
receiver and through hole on sear.
Sear
Sear
Spring
Firing Pin
and Spring
Receiver
Slot
6. Attach handle and trigger assembly to re-
ceiver with two screws and washers.
Receiver
Trigger and
Handle
Assembly
Washers
Screws