.
TM 5-5420-226-20-1
DETAILED TROUBLESHOOTING
PROCEDURE
Symptom-51.l
SUPPORT SYSTEM - SMOKE GRENADE LAUNCHER
.-
.-
. .
. J.
FROM STEP
[uontmuew
Check firing pins in right discharger barrels 1, 2,
and 5 for electrical power.
first Technician (Opera~rs S@tiOn)
l
Second
c
l
l
Freae and hold LEFT button on pushbutton
unit.
T~hnicti
(Right Discharger)
Connect red probe of meter to pin in bottom
of right discharger barrel 1, and black probe
to ground.
Check if meter indicates 18 to 30 volts dc.
Repeat above steps for discharger barrels 2
and5.
First Technician (Operators Station)
l Release LEFT button on pushbutton unit.
Doss meter indicate 18 to 30 volts dc at ail
three pins?
Pu
&51,.J
RIGHT
DISCHARGER
Check
firing
pins in right
Check
if any pin has eiac-
discharger
barrels
3. q, and
trical
power.
6 for electrical
power.
Does meter indicate 18 to 30
volte dc at any pin?
Replace right smoke grenade
discharger (page 18.1-251.
w
TA248693
Change 1
4-554.5