TM 9-2350-230-12, C8
TABLE 3-5. LOADING, FIRING, AND UNLOADING 7.62MM MACHINE GUN, M73 - CONTINUED
STEP
PROCEDURE
FIG/ITEM
FIRING ELECTRICALLY
12
Turn turret ventilating fan on.
WARNING: Without fan, toxic gases may reach dangerous level.
13
Turn TURRET CONTROL POWER switch on.
14
Turn FIRE CONTROL selector to COAX position.
15
Slide safety to F (fire) position.
3-5/C
16
A. Firing Gun When Operating Turret Electrically.
Depress palm switch and fire gun by pressing firing trigger on gunner' s
or commander's control handle.
B. Firing Gun When Operating Turret Manually.
Fire gun by pressing firing button on gunner's manual elevation hand-
wheel.
NOTE. To fire manually, press manual firing trigger on gun.
3-5/D
UNLOADING UNFIRED ROUND
WARNING: For immediate action in case of failure to fire, refer to
RUNAWAY GUN
NOTE: A runaway gun continues to fire after firing button is
released.
CAUTION: Hold fire on target until feeding of ammunition is stopped,
17
Pull and hold charging handle to the rear to stop firing.
18
Place safety in S (Safe) position and open cover, permitting ammunition
link belt to drop out.
WARNING: Visually check and feel to assure that chamber is clear
of ammunition.
18.1
Locate and correct cause (table 5-1).
REMOVAL OF RUPTURED CARTRIDGE CASE OR LIVE ROUND
REMOVAL/INSTALLATION OF BARREL
REMOVAL/INSTALLATION OF -FLASH HIDER
REMOVAL/INSTALLATION OF MACHINE GUN
AFTER FIRING
19
Place gun safety in S (safe) position.
3-5/E
20
Turn FIRE CONTROL selector to OFF position.
21
Turn off turret ventilating fan.
22
Push forward on rear of cover latch rod assembly and open cover.
23
Remove ammunition belt from machine gun if ammunition has not been
expended.
WARNING: If ammunition belt has been expended, inspect chamber
for possible live cartridge, spent cartridge case, and/or empty link
and remove.
24
Raise feed tray, slide safety to F (fire) position and pull charger handle
3-5/C, D
rearward until barrel extension is in open position.
25
Pull charger handle rearward, depress manual firing trigger and allow
3-5/D
charger handle to go forward slowly.
26
Place safety in S (safe) position and close cover.
3-5/B, E
27
Perform after operation preventive-maintenance checks and services
3-11