TM 5-5420-226-20-1
‘----
DETAILED TROUBLESHOOTING
PROCEDURE
Symptom-51.1
SUPPORT SYSTEM - SMOKE GRENADE
LAUNCHER
(ContinIued)
) Check harness for continuity between socket E
at pushbutton unit and pin B of bulkhead con-
nector.
First Technician
(Operator’s
Station)
l Disconnect
harness connector
from bulkhead
connector.
l Connect red probe of meter to socket E of
harness connector
at pushbutton
unit.
l Connect black probe of meter to pin B of
bulkhead
connector.
l Check if meter indicates continuity.
D- —
..
....4
9
rDoes meter indicate contmmy?
I
Replace smoke grenade hull
compartment wiring harness
assembly (page 18.1-12).
Replace smoke grenade
crew compartment wiring
harness assembly (page
18.1-6).
PUSHBUTTON
UNIT
—
//’
TA248715
Change 1
4-554.27
