LUBRICATING

TM 11-5815-238-20

NOTE

In order to perform the following cleaning procedures, follow the instructions for removal and

replacement of dust covers in Operator's Manual TM 11-5815-238-10.

2-20. CLEANING

a. Internal Mechanical Assemblies.

Use a clean, lint-free cloth dampened (not wet) with cleaning solvent (SD) to remove dust or dirt. Wipe dry.

b. Electrical Contact Surfaces.

WARNING

Fumes of TRICHLOROTRIFLUOROETHANE are poisonous.

Provide adequate ventilation

whenever you use TRICHLOROTRIFLUOROETHANE. Do not use solvent near heat or open flame.

TRICHLOROTRIFLUOROETHANE will not burn, but heat changes the gas Into poisonous, irritating

fumes. DO NOT breathe the fumes or vapors TRICHLOROTRIFLUOROETHANE dissolves natural

skin oils. DO NOT get the solvent on your skin. Use gloves, sleeves and an apron which the

solvent cannot penetrate. If the solvent is taken internally, see a doctor.

Use a clean, lint-free cloth or a brush dampened (not wet) with Trichlorotrifluoroethane to remove dust and dirt

from electrical contacts. Wipe dry with another clean, lint-free cloth.

2-21. LUBRICATING

a. Friction Clutches (4) see paragraph 2-8.

Check for proper lubrication prior to installation placing into service.

If lubrication is required, apply 10 to 15 drops of oil (NSN 9150-00-223-4129) around outer edge of each felt

washer.

Wipe off excess with clean cloth.

b. Steel Mounting Screws (magnesium and aluminum casting)

Lightly oil.

2-22. TESTING

Use Multimeter ANIUSM-451 to test dc voltage input of TT-76(*)/GGC or TT-699(*)/GGC; it should be 115 vac or 230

vac.

2-23. PAINTING

Remove rust and corrosion from metal surfaces by lightly sanding with fine sandpaper. Brush two thin coats of the

proper paint on bare metal to protect it from further corrosion. Refer to applicable procedures in TB 43-0118.

2-30