(
—.
.
TM 5-5420-226-20-1
DETAILED TROUBLESHOOTING
PROCEDURE
SvmDtom-61.1
SUPPORT SYSTEM - SMOKE GRENADE LAUNCHER
.-
FROM STEP
(Continued)
m
‘Check firing pins in right discharger barrels 3,4,
and 6 for electrical power.
FirstTechnician (Operator’s Station)
l Press and hold RIGHT button on pushbutton
unit.
Second Technician (Right Discharger)
l Connect red probs of meter to pin in bottim
of right discharger barrel 3, and black probe
to ground.
l Check if meter indicates 18 to 30 volts dc.
l Repeat above steps for discharger barrels 4
and 6.
First Technician (Operator’s Station)
l Release RIGHT button on puehbuttm unit.
Does meter indicate 18 to 30 volts dc at all
three pins?
w
WpU$i’iUTTON
~
‘NIT
RIGHT
DISCHARGER
Check if any pin has elec-
Check firing pins in left dis-
trical
power.
charger
barrels
3, 4, and 6
Does meter indicate 18 to 30
for electrical power.
1
volts dc at any pin?
—
l
See step 30.
@
9
/
P
‘.-
Replace right smoke grenade
discharger (page 18. 1-25).
TA248695
Change 1
4-554.7
