TM 5-5420-226-20-1
DETAILED TROUBLESHOOTING
PROCEDURE
SvmtXom-61. 1
SUPPORT SYSTEM - SMOKE GRENADE
LAUNCHER
+
(Continued)
Check GRENADE
LAUNCHER
circuit.
Il
Lift guard over grenade power switch on power
control box.
I
Set GRENADE POWER switch ON.
Does GRENADE
POWER lamp light?
r--
%&k
commanders dome light for power.
l
Set GRENADE POWER switch on power con-
trol box OFF.
l
Turn dimmer switch on commanders dome
light fully clockwise.
l
Press plunger on dome light knob and turn
knob clockwise past stop. Release plunger.
Does white light light?
DIMMER
SWITCH
LIGHT KNOB
/L
GRENADE
POWER
/
//
SWITCH
Check firing pins in
right discharger barrels
1:2, and 5 for electri-
cal power.
m
sea
Stan
16.
Check socket A of
harness connector at
power control box for
electrical power.
s
See step 10.
TA248689
Change 1
4-554.1