M978 Tanker Maintenance Procedures Instructions (Cont)
Wear safety glasses while removing retaining rings to protect
eyes from possible injury or blindness.
(14) Remove retaining ring (29) and seal (30).
Adhesives, solvents, and sealing compounds can burn easily,
can give off harmful vapors, and are harmful to skin and
clothing. To avoid injury or death, keep away from open fire
and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with
soap and water.
Compressed air used for cleaning purposes will not exceed 30 psi
(207 kPa). Use only with effective chip guarding and personal
protective equipment, goggles, shield, and gloves.
Clean all parts in dry cleaning solvent. Dry all parts, except bearings, with compressed air.
Bearings must be allowed to drip dry. Lubricate bearings with oil when dry.
Inspect wear plate (1). Replace wear
plate if wear path (2) is present in area
of relief pocket (3) or if plate is scored or
excessively worn below 0.112 in.
Inspect adapter and cover for visible
damage. Remove nicks and burrs.
(4) Inspect shafts (4 and 5) at bearing points
for rough surfaces and damage. Replace
(5) Inspect edge of gear teeth and gear
face (6) for scoring or chipped teeth.
Replace if damaged.
(6) Measure thickness of gears across gear
faces (6). Record measurement.