PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS Continued
Inspect feather edge of oil seals for tears, fraying, hardening, and cracking.
Replace metal covered oil seals when there are signs of damage or oil leakage.
CORE HOLE PLUGS. Inspect core holes for signs of leakage. Replace damaged core hole plugs.
Inspect inserts for cracks and stripped or damaged threads.
Check inserts for loose fit.
Inspect armor mounting inserts and hull screw holes for loose or missing plugs and setscrews, as required.
GREASE SEALS, PREFORMED PACKING, AND GASKETS.
Inspect seals that are composition type, rings, and preformed packing for wear, brittleness, cracks, cuts,
Inspect lip seals for cracks, wear, cuts, and brittleness. Inspect springs and seal shells for damage.
Gaskets and seals on electrical parts may be reused. Inspect gaskets and seals for wear, nicks, cuts, and torn or
missing gasket material. Replace gasket, if needed.
SPLINED PARTS. Inspect splined parts for burrs, wear, and twisted, cracked or broken splines.
THREADED PARTS. Inspect all threaded parts for burrs, and stripped or damaged threads.
RETAINING RINGS. Inspect retaining rings for nicks, burrs, defects, loss of tension, or wear.
SPRINGS. Inspect springs for wear, defects, breaks, and loss of tension or compression. Inspect springs using a
SHAFTS AND SPINDLES. Inspect shafts and spindles for excessive wear, binding, scores, cracks, burrs, and
obstructed oil passages.
Inspect electrical parts before you install them. Look for mildew, and corroded or burned parts.
Inspect electrical parts for pinched or loose wires, and for cracked or broken wires, circuit cards, relays,
Inspect insulation and heat shrink tubing for cracks, tears, burns, or missing material.
10. GENERAL REPAIR. General repair procedures are given in the following steps. Special repairs are covered in the
task. After repair, clean all parts well.
Replace all cracked or broken castings.
Repair minor damage to machined surfaces of castings with crocus cloth (WP 0122 00, Item 11). Replace any
part with defects that cannot be corrected or which will impair function.
Repair minor surface bends by working bent surface of casting across sheet of crocus cloth (WP 0122 00, Item
11) on surface plate. Replace bent castings which would impair assembly or function.
Repair damaged pipe or screw threads with correct tap or die.
BALL BEARINGS. See TM 9-214 for inspection and maintenance of ball bearings.