TM-9-2350-277-34
CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
TM-9-2350-277-34 - Page 126 of 871
TM 9-2350-277-34
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS — Continued
0014 00
q.
ELECTRICAL PARTS.
1)
Inspect electrical parts before you install them. Look for mildew and corroded or burned parts.
2)
Inspect electrical parts for pinched or loose wires, and for cracked or broken wires, circuit cards, relays,
and connectors.
3)
Inspect insulation and heat shrink tubing for cracks, tears, burns, or missing material.
Repair
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.
a.
CASTINGS.
1)
Replace all cracked or broken castings.
2)
Repair minor damage to machined surfaces of castings with crocus cloth. Replace any part with defects that
cannot be corrected or which will impair function.
3)
Repair minor surface bends by working bent surface of casting across sheet of crocus cloth on surface plate.
Replace bent castings which would impair assembly or function.
4)
Repair damaged pipe or screw threads with correct tap or die.
b.
BALL BEARINGS.
See TM 9-214 for inspection and maintenance of ball bearings.
c.
NEEDLE ROLLER BEARINGS.
See TM 9-214 for inspection and maintenance of needle roller bearings.
d.
STUDS.
1)
Replace all bent or loose studs, or studs which show signs of stretching.
2)
Repair minor thread damage with standard thread chaser.
3)
To remove studs, back out studs slowly with stud extractor to avoid heating and possible seizure. If studs are
broken too short to use extractor, drill and extract studs with suitable remover. A short stud may be removed
by welding nut to stud and removing with wrench.
4)
To replace studs, lightly apply antiseize compound to stud before you install it. Only standard studs are
supplied for repair parts. If threaded hole is damaged beyond repair, drill and tap damaged hole. Install
threaded insert in tapped hole.
e.
GEARS.
1)
Replace gears that have worn, pitted, or gouged teeth.
2)
Remove sharp burrs from gear teeth with crocus cloth dipped in cleaning compound.
CAUTION
Damaged housing bore can cause equipment failure. Do not damage housing bore when
cutting bushings.
NOTE
Do not remove bushings and bushing type bearings unless replacement is necessary and
authorized. Removal usually damages these parts.
001400-7
Change 5
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