TM
5-5420-226-20-1
DETAILED TROUBLESHOOTING
PROCEDURE
Symptom-51.1
SUPPORT
SYSTEM - SMOKE GRENADE
LAUNCHER
(
(Continued]
‘Check harness for continuity between eocketD
at pushbutton unit and pin Cof
bulkhead con-
1First Technician(Operator’sStation)
l Disconnect
harness connector
from bulkhead
connector.
l Connect red probe of meter to socket D of
harness connector
at pushbutton
unit.
l Connect black probe of meter tQ pin C of
bulkhead connector.
l Check if meter indicates continuity.
I
Does meter indicate continuity?
Replace smoke grenade hull
compartment wiring harness
assembly (page 18.1-12).
/
1’Replace smoke grenade
crew compartment wiring
harness assembly (page
w
J18.1-6).
!
7’
m
PUSHBUTTON
UNIT
o-
t
.
+
0
4
w
Ill
HARNESS
CONNECTOR
/
BULKHEAD
CONNECTOR
m
TA248718
4-554.30
Change 1
