TM 9-2350-230-12
Section 3-4. CAL. .50 MACHINE GUN, M2, HB
3-5.
Firing Procedure
NOTE. Before operation the crew should be
The following tables and illustrations provide Cal.
familiarized with the location and operation of all controls
.50 machine gun, M2, HB firing procedure.
TABLE 3-6. LOADING, FIRING AND UNLOADING CAL. .50 MACHINE GUN
STEP
PROCEDURE
FIG/ITEM
PREPARATION FOR FIRING
1
Perform before-operation preventive-maintenance checks and services
2
Check headspace and timing. Adjust if required (tables 3-7 and 3-8).
3
Install flash hider.
4
Install carrier assembly.
5
Remove ammunition box cover and place box in ammunition tray.
NOTE: The double loop end of ammunition belt must be leading.
LOADING
6
Open machine gun cover and insert double loop end of ammunition in
feedway until first round is held by belt holding pawl.
HALF-LOAD GUN
7
Retract the retracting slide handle, pulling bolt all the way to the rear.
Release handle.
8
Position bolt latch release lock to engage bolt latch release when
depressed.
9
Push retracting slide handle all the way forward.
10
Press down on bolt latch release, bolt will go forward.
11
To FULLY LOAD gun, repeat steps 6 through 9.
12
Close gun cover.
SEMI-AUTOMATIC FIRING
13
Turn bolt latch release lock clockwise to allow bolt latch release to be in
raised position. Fire gun by pressing trigger.
WARNING: When bolt latch release and trigger are both held down,
machine gun will fire automatically.
AUTOMATIC FIRING
14
Lock bolt latch release down by engaging in bolt latch release lock. Fire
gun by pressing trigger.
WARNING: For immediate action in
case of
failure to
fire, refer to
table 3-3.
3-14