TM 1-1520-238-23
9-536
9.139.
ELECTRONIC RELAY AND MODULE REPLACEMENT
9.139.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
9.139.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
Socket removal tool (item 258, App H)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
NOTE
This task is typical for electronic modules, electromagnet relays, microcircuits, electrical contacts, and
terminal junction boxes in:
Aft avionics bay distribution box
Electronic power distribution box
Engine anti-ice relay panel
Pilot matrix module
Stabilator relay panel
Start mode relay panel
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