TM 55-1520-240-T
9-1.3 DC POWER SYSTEM VISUAL CHECK
INITIAL SETUP
Applicable Configurations:
All
Tools:
Electrical Repairer’s Tool Kit,
NSN 5180-00-323-4915
Materials:
None
Personnel Required:
68F10 Aircraft Electrician
References:
TM 55-1520-240-23
Equipment Condition:
TM 55-1520-240-23:
Battery Disconnected
Electrical Power Off
Hydraulic Power Off
Left and Right Electrical Compartment
Access Doors Open
EXT PWR DC-AC Access
Cover Open
TASK
RESULT
1. Check No. 2 dc power supply (1).
If No. 2 de power supply is loose or damaged.
tighten or replace it as required. If connector to
supply is loose or damaged tighten or replace it es
required. If wiring to connector or supply is loose
or damaged, tighten or repair or replace it as re-
quired,
2. Check dc external power receptacle (2).
3. Check No. 1 dc power supply (3).
4. Check battery (4).
5. Check battery connector (5).
6. Check battery charger (6).
If receptacle (2) is Iwse or damaged, tighten or re-
place it as required.
If No. 1 de power supply (3) is loose or damaged,
tighten or replace it as required. If connector to
supply is loose or damaged, tighten or repair it as
required. If wiring to connector or supply is loose
or damaged, tighten or repair or replace it as re-
quired.
If battery is loose or damaged, tighten or replace it
as required. If connector to battery is loose or
damaged tighten or replace it as required. If wiring
to connector is loose or damaged. repair or replace
it as required.
If connector is damaged, replace it. If wiring to
connector is damaged, repair or replace it.
If charger (6) is loose or damaged, tighten or re-
place it as required. If connectors to charger are
loose or damaged, tighten or replace them as re-
quired. If wiring to connectors is damaged. repair
or replace it as required.
TASK
RESULT
9-1.3
7. Check battery relay (7).
If relay (7) is loose or damaged, tighten or replace
it as required. If wiring to relay is loose or
damaged tighten or repair or replace it as required.
FOLLOW-ON MAINTENANCE:
None
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