Browning machine gun caliber .50, M2, aircraft, fixed and flexible. Page: 31
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TM 9-225
BROWNING MACHINE GUN, CALIBER .50, M2 14
(a) Caure.-The forward end of the trigger bar (flexible gun)
sprung downward or the beveled surface of the trigger bar and sear
burred.
(b) To remedy.
1. Keep gun directed on target.
2. Unlatch cover. For gun installation where cover is not
accessible, allow operating slide to go forward until
unloading notch engages rear bracket. Retract operating
slide again completely to the rear, then let it go all the
way forward. The action has now closed on an empty
chamber.
3. Unload and disassemble gun. Replace broken or burred
parts.
d. Table of stoppages.--The table below will serve as a guide
during instruction in stoppages or immediate action.
TABLE OF STOPPAGESStoppages
1. Misfire due to defective primer.
2. Short round.
3. Bulged round.
4. Tight link in belt.'
5. Thin rim, permitting nose of the
bullet to drop below chamber.1
6. Belt improperly loaded.
7. Battered or thick rim of cartridge.
8. Failure to remove round from
chamber.
9. Setback primer.'
10. Separated case which is removed
from chamber by new round
when bolt is pulled to the rear.
11. Separated case, which stays in
chamber when bolt is pulled to
the rear. (Do not set up loose
head space.)
12. Bullet loose in cartridge case.
Cartridge case extracted from
belt but bullet remains in belt.'
See footnotes at end of table.Method of preparation of instruction in immediate
action and stoppages1.
2.
3.
4.
5.Place a dummy cartridge in belt.
Place a short round in belt.
Insert bulged round in belt.
Do not prepare.'
Do not prepare.16. Pull a cartridge partly out of belt.
7. Place a battered or a thick-rimmed
cartridge in belt.
8. Place a dummy cartridge with rim
filed off in chamber.
9. Do not prepare.'
10. Drive front part of a cartridge
securely on a dummy cartridge.
Pull bolt to the rear and place
cartridge properly on face of bolt.
Ease bolt forward.
11. Insert front end of a separated case
in chamber and load.
12. Do not prepare.131
iI
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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/m1/33/: accessed May 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.