TM 55-1520-240-23-7
9-34.2
INSTALL APU FUEL SHUT-OFF RELAY
9-34.2
INITIAL SETUP
Applicable Configurations:
All
Tools:
Electrical Repairer’s Tool Kit, NSN 5180-00-323-4915
Biddle Ohmmeter (T7) or Equivalent
Materials:
Cloths (E120)
Gloves (E184.1)
Naphtha (E245)
Personnel Required:
Aircraft Electrician
References:
TM 9-6625-975-35
TM 55-1500-323-24
TM 55-1500-343-23
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Cabin Acoustic Blanket Removed Sta. 360 (Task
2-208)
Naphtha (E245) is flammable and
toxic. It can irritate skin and cause
burns. Use only with adequate
ventilation, away from heat or open
flame. Avoid contact with skin, eyes,
or clothing. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
1.
Clean bonding and grounding surfaces
thoroughly before installing APU fuel shut-off
relay (1). Use naphtha (E245) and cloths (E120).
Wear gloves (E184.1) and goggles.
2.
Install APU fuel shut-off relay (1) on aircraft
structure (2) with four screws (3) and washers (4).
9-112
