Lockout Relay

TM 10-3930-638-24&P

2-28. INSTRUMENT PANEL MAINTENANCE (cont)

d. Lockout Relay (cont).

REMARKS

ITEM

ACTION

LOCATION

STEP

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

immediately.

All hardware

Clean

Use cleaning solvent P-D-680.

Dry thoroughly with compressed air

Wire connectors and

Clean

Use cleaning solvent P-D-680 on

connectors and terminals only

relay terminals

INSPECTION

Inspect

Nut (2) and screw (4)

Replace if threads damaged

Inspect

Replace if insulation frayed, or if

Harness wires

conductors broken

Inspect

Relay (5)

Replace if terminals damaged

INSTALLATION

Instrument panel,

a. Lockout relay (5)

Position

Against instrument panel

Install and

bottom center

Until lockout relay (5) is securely mounted

b. Two screws (4), lock

tighten

washers (3) and

nuts (2)

Relay terminals (note tags for correct

c. Wire leads (1)

Push on

connection)

2-136