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TM 10-3930-638-24&P
2-28. INSTRUMENT PANEL MAINTENANCE (cont)
d. Lockout Relay (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
CLEANING
WARNING
Dry cleaning solvent (P-D-680), used to clean parts is toxic and
flammable. Wear protective goggles and gloves and use only in a
well ventilated area. Avoid contact with skin, eyes, and clothes
and don’t breathe vapors. Do not use near open flame or
excessive heat and don’t smoke when using it. Failure to do so
could cause serious injury. If you become dizzy while using
cleaning solvent, get fresh air immediately, and get medical
attention. If contact with skin or clothes is made, flush with large
amounts of water. If contact with eyes is made, wash eyes with
water immediately, and obtain medical aid immediately.
WARNING
Wear safety glasses when drying parts with compressed air.
Failure to. do so could cause serious injury to eyes and possible
blindness. If you hurt your eyes, seek medical attention
2
3
INSPECTION
4
5
6
INSTALLATION
7
Instrument panel,
bottom center
immediately.
All hardware
Wire connectors and
relay terminals
Nut (2) and screw (4)
Harness wires
Relay (5)
a. Lockout relay (5)
b. Two screws (4), lock
washers (3) and
nuts (2)
c. Wire leads (1)
Clean
Use cleaning solvent P-D-680.
Dry thoroughly with compressed air
Clean
Use cleaning solvent P-D-680 on
connectors and terminals only
Inspect
Replace if threads damaged
Inspect
Replace if insulation frayed, or if
conductors broken
Inspect
Replace if terminals damaged
Position
Against instrument panel
Install and
Until lockout relay (5) is securely mounted
tighten
Push on
Relay terminals (note tags for correct
connection)
2-136
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