TM
5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
SUPPORT
SYSTEM
- PERISCOPES
Symptom-70
(Continued)
T
f
Check
night vision
circuit
breaker
for continuity.
I
ITechnician(OperatorsStation)
l
l
l
l
l
Connect
master
control
panel accessories
harness
leads
(CKT
516) to NIGHT
VISION
switch,
Disconnect
master
control
panel
wiring
harness
lead
(CKT
38-5 16A) from
night
vision circuit
breaker.
Connect
red probe
of meter
to one contact
of circuit
breaker.
Connect
black probe of meter to other contact
ofcircuit
breaker.
Check
if meter
indicates
continuity.
Does meter
indicate
continuity?
breaker (page 10-70).
l Connect
basket-control
panel
accessories
harness
I
( )l Replacemastercontrolpanel
power
wiring
harness
(page
10-101).
l Connect
basket-control
panel
accessories
harness
connector
to master
control
panel.
l Connect
master
control
panel accessories
harneas
lead (CKT 38-516)
to night
vision
circuit
breaker.
-1
\
CKT
38-51
6A
NIGHT VISION
CIRCUIT
BREAKER
TA107366
4-677