TM-9-2350-277-20-2

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 2 OF 6

TM-9-2350-277-20-2

  TM-9-2350-277-20-2 - Page 32 of 783

TM 9-2350-277-20-2
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS — Continued
0155 00
f.
OIL SEALS.
Oil seals must be replaced when thin feather edge is damaged or when seal material is brittle.
1)
Press damaged oil seal from casting. Be careful not to damage bore.
2)
When oil seal bore is damaged so an oil-tight seal is impossible, replace casting or adapter. Remove slight
nicks, burrs, and scratches with crocus cloth dipped in cleaning compound.
g.
GREASE SEALS, PREFORMED PACKINGS, GROMMETS, AND GASKETS.
Seals, preformed packings,
grommets, and gaskets should be replaced when removed unless otherwise stated in the maintenance task. They
should not be reused.
h.
THREADED PARTS.
Repair all parts that have stripped or damaged threads by chasing threads with a used tap or
die. Replace parts that cannot be repaired.
i.
RETAINING RINGS.
1)
Retaining rings should be replaced when removed unless otherwise stated in the maintenance task. They
should not be reused.
2)
Some retaining rings are beveled on one side. When installing this type of ring, the beveled side must face
the part to be retained.
j.
SPRINGS.
Discard springs that have defects. Load and height inspection data, where needed, are given in
maintenance procedures.
k.
SHAFTS AND SPINDLES.
1)
Replace shafts and spindles that show signs of wear, binding, scores, cracks, burrs, or clogged oil passages.
WARNING
Air pressure in excess of 30 psi (207 kPa) can injure personnel. Do not direct pressurized air
at yourself or others. Always wear goggles.
2)
Remove obstructions with compressed air or by probing with soft wire.
3)
Remove burrs and minor surface defects with a crocus cloth.
l.
ELECTRICAL PARTS.
1)
Replace corroded or burned parts and parts which show signs of mildew.
2)
Tighten loose connections.
3)
Replace cracked or broken wires, circuit cards, relays, and connectors.
4)
Replace cracked, torn, or burned insulation and heatshrink tubing.
m.
INSERTS.
Replace insert when threads are stripped or when insert is cracked or loose.
1)
Drill and remove damaged insert from casting.
2)
Install new insert in casting using suitable replacement tool.
3)
Install plugs in armor mounting inserts, as required.
0155 00-12
Change 5


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