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.
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.
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.
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
Wipe off excess with clean cloth.
b. Steel Mounting Screws (magnesium and aluminum casting)
Use Multimeter ANIUSM-451 to test dc voltage input of TT-76(*)/GGC or TT-699(*)/GGC; it should be 115 vac or 230
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.