TM 9-2350-222-10-3
MAINTAIN CALIBER .50 MACHINE GUN (PERFORM FIRING CIRCUIT
TEST - CALIBER .50) Continued
1.1 Check that POWER ON indicator
(C) comes on. (Late model only.)
1.2 Set cupola GUN SAFETY switch (D)
to FIRE.
1.3 Press last round stop switch (E). (Late
model only. )
1.4 Check that GUN READY indicator (F)
comes on. (Late model only.)
NOTE
Last round switch will cause
GUN READY indicator (F) to
g o out when there are 20
rounds or less in ammunition
Y o u can bypass last
box.
round switch by setting LAST
ROUND OVERRIDE switch (G)
to on. GUN READY indicator
(F) will then stay on.
1.5 Set LAST ROUND OVERRIDE Switch
(G) to off. GUN READY indicator (F)
will light, (Late model only.)
2.
Set MACHINE GUN electrical safety
switch (D) to ON. (Early model only.)
3.
Set machin0egun mechanical safety (H)
to F (fire).
TA252963
Change 1 3-131
