—
{
TM 5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
Symptom-48
INDICATOR
- LAMP
SMOKE
GENERATOR
INDICATOR
LAMP
WILL
NOT LIGHT
(SMOKE
GENERATOR
WILL
MAKE
SMOKE).
I
Check smoke generator
switch
assembly
for
continuity.
Technician
(Operator’s
Station)
l Set MASTER BATTERY switch OFF.
l Set SMOKE GENERATOR
switch OFF.
l Disconnect SMOKE GENERATOR
switch
connector
from SMOKE
GENERATOR
indicator
lamp.
l Disconnect SMOKE GENERATOR
switch
assembly connector
from SMOKE
GENERATOR
switch harness connector.
l Set SMOKE GENERATOR
switch ON.
l Set multimeter to OHMS X 1 scale and zero meter
or use STE/ICE
Test No. 91 (page 4-83).
l Connect red probe of meter to SMOKE
GENERATOR
switch connector.
l Connect black probe of meter to contact B (CKT
415) of SMOKE
GENERATOR
switch assembly
connector.
l Check if meter indicates continuity.
Does meter indicate
continuity?
—
n
Replace smoke generator
switch
(page 21-2).
SMOKE
GENERATOR
SWITCH
w
CONTACT
B
(CKT 415)
\
:
0
—
“(!
4
l 0
SWITCH
CONNECTOR
‘\ + --.,
‘+2’
0000
SMOKE
GENERATOR
SMOKE
GENERATOR
INDICATOR
IAMP
SWITCH
TA107216
L
4-527
