TM 5-5420-226-20-1
DETAILED TROUBLESHOOTING
PROCEDURE
Symptom-51.1
SUPPORT SYSTEM - SMOKE GRENADE
LAUNCHER
FROM STEP
(Continued)
o9
‘ Check socket B of harness connector at master
control panel for electrical power.
FirstTechnician (operator’s Station)
Set MASTER BA’IT’ERY switch OFF.
Disconnect harness from connector on master
control panel.
Connect red probe of meter to socket B of
connector and black probe to ground.
Set MASTER BA’lTERY switch ON.
_ Check if meter indicates 18 tc 30 volte dc.
Doss meter indicate 18 to 30 volts dc?
o-
0
n+
0
TO VEHICLE
GROUNDm
o~ OQ
#
OM
Oc
ON OL
‘o
‘K
CONNECTOR
OJ oA
‘&
65
w
MASTER CONTROL
PANEL
(REAR VIEW)
~a
Repair master control
panel wiring harness
(page 10-298).
TA248692
4-554.4
Change
1
