TM 5-4310-385-13
4-9. CRANKSHAFT BEARINGS. This task covers:
a. Initial Setup.
b. Disassembly.
c. Assembly.
INITIAL SETUP.
a.
Tools. General Mechanic Automotive Tool Kit T1 5180-00-177-7033; Basic Field Maintenance Automotive
Repair Shop Set, T2 4910-00-754-0705.
b.
Materials/Parts. Mineral Oil.
c.
Equipment Condition. Compressor disassembled (paragraph 4-7).
d.
General Safety Requirements.
WARNING
·
Observe all Warnings and Cautions.
·
Never wear loose clothing or jewelry while inspecting or servicing equipment.
·
Beware of rotating shafts, pulleys and fans which could entrap personnel and
cause serious injury.
Crankshaft Bearings and Oil Seals
CAUTION
Crankshaft must be supported in a suitable fixture when removing or installing
bearings to prevent damage to crankshaft.
DISASSEMBLY.
a.
Clamp crankshaft (1) in a suitable fixture.
b.
Using a suitable bearing puller, remove bearings (2) from crankshaft (1).
ASSEMBLY.
a.
Clamp crankshaft (1) in suitable fixture.
NOTE
Bearings should be immersed in mineral oil heated to a temperature of 6000F prior
to installing.
b.
Press bearings (2) onto crankshaft.
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