FM 23-45 Basic Field Manual
10
plunger until barrel plunger guide pin can be seated in the slot. Care should be taken
that the action of the spring does not cause the plunger to slip out of the hand.
b
. Replace accelerator with the tips up and the rounded surface to the front. Insert
accelerator pin, taking care that both ends of pin are flush with the sides of lock frame.
c
. Push the front end of trigger up between separator and spacer, placing the center
in its square seating. If trigger pin spring has been removed, seat spring on trigger pin,
placing the small end of spring toward the head of pin. Replace pin from the right.
■16. D
ETAILED DISASSEMBLING OF BARREL EXTENSION (fig. 7).
a
. Insert the rim of a cartridge under the front edge of barrel locking spring and pull
it out to the front.
b
. Push out breech lock pin and remove breech lock.
■17. A
SSEMBLING BARREL EXTENSION.
a
. Place breech lock in its slot, taking care that the double beveled surface is up and
to the front. Insert breech lock pin and insure that both ends of pin are flush with the
sides of barrel extension.
b
. Insert barrel locking spring in the seating in the left side of barrel extension, hook
inward, and force home as far as it will go.
■18. D
ETAILED DISASSEMBLING OF COVER (fig. 8).
a
. Remove cotter pin or cap from belt feed lever pin. Remove belt feed lever pin.
b
. Withdraw belt feed lever from belt feed slide and remove slide.
c
. Insert the nose of a cartridge between cover extractor spring and the notch in
cover extractor cam. With the thumb of the left hand over spring, pry out on spring to
disengage from cut. Lift out spring from its seat against stud.
F
IGURE 7. — Barrel and barrel extension group.
