Browning machine gun caliber .50, M2, aircraft, fixed and flexible. Page: 25
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TM 9-225
BROWNING MACHINE GUN, CALIBER .50, M2 11
(2) Place forked end of cover extractor spring over stud in cover
and engage the other end of spring in the slot in cover extractor cam.
(3) Place cover latch spring over stud in cover and slide forward,
making certain that the rear end rests on cover latch.
(4) Hold belt feed pawl with recess for belt feed pawl spring up and
studs to the right. Place belt feed arm over studs on belt feed pawl,
with belt feed arm pointing to the right and holes in belt feed pawl
and arm in alinement. Place belt feed pawl spring in its seat in the
pawl with large end of spring in belt feed pawl recess, and position
belt feed pawl in belt feed slide. Insert belt feed pawl pin. Insert
belt feed slide, complete, in its guides in cover, making certain that
belt feed pawl arm is to the rear.
(5) Place belt feed lever plunger and spring in rear hole of belt feed
lever. Insert toe of belt feed lever through slot in cover and engaging
belt feed slide. Position belt feed lever so that it goes over the stud
in the cover, and at the same time compress belt feed lever plunger
and spring so that they clear the side of the cover. Insert cotter pin
in stud.
(6) Place cover assembly on trunnion block and insert cover pin.
Insert cotter pin in cover pin.
d. Barrel group (fig. 8).-(1) Insert breech lock in its guides in
barrel extension, making certain that bevel faces of breech lock are
to the front with double bevel on the top. Insert breech lock pin,
taking care that both ends of pin are flush with the sides of barrel
extension.
(2) Replace barrel locking spring by sliding it into its seat in barrel
extension.
(3) Screw barrel into barrel extension.
e. Oil buffer group (fig. 7).-(1) If the oil buffer tube has been
disassembled, place oil buffer spring over oil buffer piston rod. Posi-
tiofi oil buffer spring guide so that the slot in the guide is in line with
pin on oil buffer piston rod. Press down on oil buffer piston guide
so that oil buffer piston rod pin passes through the slot in the guide,
and rotate guide until recesses in the guide are alined with the pin
in the rod. Allow pin to seat itself in the recesses.
(2) Insert oil buffer body spring lock in its groove in the body and
push forward.
(3) Position oil buffer tube lock spring over slot in oil buffer body,
with flanges of spring over enlarged cut in slot. Depress spring into
cut and slide forward, raising stud end of spring up and over the
end of oil buffer body to seat stud in hole in oil buffer body.454576"-42----4
25
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United States. War Department. Browning machine gun caliber .50, M2, aircraft, fixed and flexible., book, April 30, 1942; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc29988/m1/27/: accessed May 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.