(1) Inspect feather edge of oil seals for tears, fraying, hardening, and cracking.
(2) Replace metal-covered oil seals when there are signs of damage or oil leakage.
CORE HOLE PLUGS. Inspect core hole plugs for signs of leakage. Replace damaged core hole plugs.
(1) Inspect inserts for cracks and stripped or damaged threads.
(2) Check inserts for loose fit.
GREASE SEALS, PREFORMED PACKINGS, AND GASKETS.
Inspect seals that are composition-type, rings, and preformed packings for wear, brittleness, cracks,
cuts, and damage.
Inspect lip seals for cracks, wear, cuts, and brittleness. Inspect springs and seal shells for damage.
Gaskets and seals on electrical parts maybe 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, 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, and wear.
SPRINGS. Inspect springs for wear, defects, breaks, and loss of tension or compression. Inspect springs
using a spring tester.
SHAFTS AND SPINDLES. Inspect shafts and spindles for excessive wear, binding, scores, cracks, and
Inspect electrical parts before you install them. Look for mildewed, 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,
R E P A I R
a. GENERAL. General repair procedures are given in steps b through
the task. After repair, clean all parts well.
burns, or missing material.
1 below. Special repairs are covered in