TM 5-5420-226-20-1
DETAILED TROUBLESHOOTING
PROCEDURE
SvmDtom-5 1.1
SUPPORT SYSTEM - SMOKE GRENADE
LAUNCHER
(
(
.
.
T
(Continued)
Check socket C of harness connector at left
discharger for electrical power.
First Technician (Operator’s Station)
l
Second
l
Set MASTER BATTERY switch OFF.
Technician (Left Discharger)
Disconnect harness connector from left dis-
charger receptacle.
First Technician (Operator’s Station)
l Set MASTER BA’ITERY switch ON.
l Press and hold RIGHT button on pushbutton
unit.
Second Technician (Left Discharger)
l Connect red probe of meter to socket C of
harness connector and black probe to ground.
l Check if meter indicates 18 to 30 volts dc.
First Technician (Operator’s St&ion)
l Release RIGHT button on pushbutton unit.
Does meter indicate 10 to 30 volts dc?
r
l
Check
harness
for continuity
between socket C of con-
nector at left discharger and
I
socket D of connector at
pushbutton unit.
e
l
See St9D 79.
I
DI
TO VEHICLE
GROUND
\{
‘ON
UNIT
)
l
Set GRENADE
POWER
switch OFF.
l
Set MASTER
BAT-
TERY switch OFF.
l
Replaceleft smoke
grenededischarger(page
18.1-25).
TA248700
4-554.12
Change 1
