FM 23-45 Basic Field Manual
11
F
IGURE 8. — Feed group.
■19. A
SSEMBLING COVER.
a
. Place the forked end of cover extractor spring under stud on cover. Press
downward with the thumb on the other end of spring, at the same time pushing toward
stud, and seat projection of spring in the notch of cover extractor cam.
b
. Replace belt feed slide in its grooves in cover, taking care that pawl is pointing to
the right as cover goes on the gun.
c
. Place front end of belt feed lever in the cut, stud on lever away from cover and to
the rear. Insert belt feed lever pivot pin. Replace cotter pin or cap.
■20. D
ISASSEMBLING OF PARTS DISMOUNTED ONLY FOR REPAIR.
a
. Shock absorbing group. - Unscrew adjusting screw and remove adjusting screw
plunger and spring. Remove buffer disks (in later guns these are replaced by heavy
recoil spring), buffer plug, buffer ring, and buffer plate through the rear end of the grip.
Replace in the reverse order.
b
. Belt holding pawl.
(1) Hold down belt holding pawl and withdraw belt holding pawl split pin to the
rear.
(2) Lift off belt holding pawl.
(3) Lift belt holding pawl spring from its seating.
(4) Replace in the reverse order.
■21. C
HANGING PARTS. — If the time element is important, a broken minor part should
be replaced by substituting a complete spare part which contains it. Thus a broken
firing pin would be remedied by changing bolts. Replacement parts in the spare parts
box should be repaired as soon as opportunity permits. In event the bolt, barrel, or
barrel extension is changed,
adjust the head space
.
S
ECTION III
CARE AND CLEANING
