TM 55.1520-240.T
9-23.3. CARGO HOOK LIGHTS OPERATIONAL CHECK
9-23-3
INITIAL SETUP
Applicable Configurations:
References:
TM 55-1520-240-23
With17 Aft C/W MWP 1-1520-240-50-52
TM 55-1520-240-10
Tools:
Electrical Repairer’s Tool Kit,
Equipment Condition:
NSN 5180-00-323-4915
TM 55-1520-240-23:
Multimeter
Battery Connected
Electrical Power On
Materials:
Hydraulic Power Off
None
Personnel Required
Aircraft Electrician
TASK
1. Check that cargo hook light circuit breaker is
closed
2. Check switch marked “FWD” on cargo hook
light switch box is pushed up to “ON” position.
Indicator lamp above switch is lit. Forward
cargo hook light is lit.
3. Check switch marked “CTR” on cargo hook light
switch box is pushed up to ”ON” position.
Indicator lamp above switch is lit.
4. Check switch marked “AFT” on cargo hook light
switch box is pushed up to “ON” position.
Indicator lamp above switch is lit. Aft cargo
hook light is it.
RESULTS
If cargo light circuit breaker is open, close it. If it opens
again, go to Task 9-23-4.
If indicator lamp does light. Replace é327. If not lit after
replacing lamp go to Task 9-23.6
If indicator lamp does not light replace é327. If not lit,
after replacing lamp, go to Task 9-23.5.
If center cargo hook light does not light, replace é327
lamp. If not lit, go to Task 9-23.6.
If aft cargo hook light does not light, replace é327 lamp.
If not lit after replacing lamp, go to Task 9-23.5.
END OF TASK
Change 14 9-379
