TM 55-1520-240-23-7
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INSTALL DC POWER SUPPLY (TR) FAIL RELAY
9-17
INITIAL SETUP
Applicable Configurations:
All
Tools:
Electrical Repairer’s Tool Kit, NSN 5180-00-323-4915
Materials:
None
Personnel Required:
Aircraft Electrician
Inspector
References:
TM 55-1520-240-23P
NOTE
Procedure is similar to install No. 1 or
No. 2 dc power supply TR fail relay
except as noted in text. No. 1 relay
shown here.
1.
Position fail relay (1), X2 terminal up in No. 1
power distribution panel (2).
2.
Install two screws (3) and washers (4).
3.
Remove tape from ends of wires (5).
4.
For No. 1 relay (1), connect eight wires (5) by
installing seven screws (6) and lockwashers (7).
Remove tags.
5.
For No. 2 relay, connect 10 wires (5) by installing
eight screws (6) and lockwashers (7). Remove
tags.
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