Quantcast CRANKSHAFT MAIN BEARINGS INSPECTION

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TM 9-2815-220-24
CRANKSHAFT MAIN BEARINGS INSPECTION
THIS WORK PACKAGE COVERS:
Inspection
INITIAL SETUP:
Tools and Special Tools:
Expendable Materials:
Dial indicator (item 65, WP 0176)
Lubricating oil, engine (item 21, WP 0173)
General mechanic's tool kit (item 121, WP 0176)
Lubriplate (item 23, WP 0173)
Jackscrew (crankcase spreading tool)
Prussian blue paste (item 25, WP 0173)
(item 110, WP 0176)
Personnel Required:
Mechanical puller adapter (item 2, WP 0176)
Track Vehicle Repairer (2) 63H10
Micrometer caliper set, inside (item 16, WP 0176)
Equipment Conditions:
Micrometer caliper set, outside
Engine on maintenance stand (WP 0130)
(item 17, WP 0176)
Crankshaft removed (WP 0139)
Slide hammer puller assembly (item 88, WP 0176)
Torque wrench, 0-175 foot pound
(item 127, WP 0176)
INSPECTION
CAUTION
Main bearing halves (used or new) must be inspected according to
procedures in this work package. Failure to comply may result in
premature failure of engine.
NOTE
Used crankshaft main bearing halves were and removed and marked
when the crankshaft was removed (WP 0139).
CAUTION
Main bearing halves should be installed in their original location
when they are reused. Use new bearings when a visual inspection
indicates bearings are unserviceable. Use only new or serviceable
bearings for main bearing bore check.
WP 0138 00-1

 


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