TM 5-5420-226-20-1
DETAILED TROUBLESHOOTING
PROCEDURE
Symptom-51.1
SUPPORT
SYSTEM - SMOKE GRENADE
LAUNCHER
—
.-.
..
T
[Continued)
.
m
) Chack connactor 38 for electrical power.
F’kstTechnician (Operator’s Station)
l Set MASTER BATI’ERY switch OFF.
l Disconnect harness comector 38 from har-
ne9e connector P3.
l Set multimeter to meaeure 18 to 30 volts dc.
l Set MASTER BATI’ERY switch ON.
l Connect red probe of meter to center contact
of connector 38 and black probe to ground.
l Check if meter indicates 18 to 30 volts de.
Does meter indicate 18 to 30 volts dc?
m
TO VEHICLE
GROUND
\
COINNJECTOR
P3 /
CONNECTOR
38
Connect harness connectors 38
l
Set MASTER BATI’ERY switch
OFF.
l
Connect harness connector 38
(
)
l
Chack socket B of har-
ness connector at mas-
ter control panel for
electrical power.
l
Saa step 13.
TA248690
4-554.2
Change 1
