TM 9-2350-222-10-3
TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
20. EXCESSIVE BURNED POWER GAS COMES OUT OF BREECH AFTER FIRING
WARNING
At first sight of propellant gas in crew corn-
partment, breechblock obturator pad re-
quires shim adjustment. Continued firing may
cause injury to personnel.
Step 1. Check breech block obturator for proper adjustment or damage
a. If obturator is not seating properly, install preliminary shims as
required (page 3-200).
WARNING
Do not fire gun with preliminary shims in-
stalled. Injury to personnel may result.
b. If obturator will not seat properly after shimming, notify
organizational maintenance.
MACHINE GUNS
21. 7.62-MM MACHINE GUN (COAX] WILL NOT FIRE ELECTRICALLY
s
Step 1. Check electrical connector(s) (A) at machine gun mount
(M240) (B).
If electrical connector is not connected, connect, and attempt to fire.
Change 5
