ARMY TM 9-6115-464-34
AIR FORCE TO 35C2-3-445-2
NAVY NAVFAC P-8-624-34
Compressed air used for cleaning and drying purposes can create airborne particles
that may enter the eyes. Pressure shall not exceed 30 psig and use only the adequate
chip guards and chipping goggles. Failure to observe this warning could result in
servere personal injury or death.
Solvent, Dry Cleaning P-D-680, Type II is flammable and moderately toxic to skin,
eyes and respiratory tract. Eye and skin protection required. Good general ventilation
is normally adequate. Failure to observe this warning could result in servere personal
injury or death.
Clean precise relay assembly with filtered compressed air and a soft bristle brush. If necessary,
caked deposits may be removed with a clean, lintfree cloth moistened with solvent P-D-680 Type
Il. Dry thoroughly after cleaning with solvent.
Visually inspect cover and chassis for cracks, corrosion, warping, defective paint and illegible
Inspect wiring harness for damaged wires and connectors for bent or broken connector pins and
burned areas indicating shorts.
Inspect switch (50/60 Hz only) for cracked casing, burns, corroded terminals and other damage.
Inspect relays for cracked casing, corroded terminals, and evidence of shorting or other damage.
Figure 3-121. DC Relay Assembly Schematic Diagram
c. Cleaning, Inspection, and Repair.