TM 5-5420-226-20-1
DETAILED TROUBLESHOOTING
PROCEDURE
Symptom-51.1
SUPPORT SYSTEM - SMOKE GRENADE LAUNCHER
(
(
(Continued)
GRENADE
POWER BOX
Check harness for continuity between socket C
of connector at pushbutton unit and socket B of
connector at arenade Dower box.
First Technician
(Operators
Station)
Set GRENADE
POWER switch OFF.
Set MASTER
BAM!ERY
switch OFF.
Disconnect
harness connector
from grenade
power box.
Set multimeter
to OHMS XI scale and zero
meter.
Connect red probe of meter to socket C of
harness connector
at pushbutton
unit.
Connect black probe of meter to socket B of
harness connector
at grenade power box.
Check if meter indicates continuity.
Does meter indicate continuity?
l
Connect harness connector
to pushbutton unit.
9
Replacesmoke greriaae power
control box (page 18.1-2).
4-554.24
Change 1
-c
YES
118.1-6).
1
TA248712