TM-9-2815-205-24
6V53/6V53T ENGINES, DIESEL WITH CONTAINERS; MODEL 5063-5299, MODEL 5063-5392, MODEL 5063-5393 AND MODEL 5063-539L
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE
FEBRUARY 2013
TM-9-2815-205-24 - Page 445 of 856
INSPECTION-ACCEPTANCE AND REJECTION CRITERIA
CAUTION
Do not polish parallel to crankshaft axis or ridges will result in sealing surface and cause
oil leakage.
1.
Inspect rear end of crankshaft (Figure 2, Item 4) for wear due to rubbing action of seal, dirt build up, or
fretting by action of flywheel. Remove slight ridges from rear of crankshaft by working around circumference
with crocus cloth wetted with fuel oil.
CAUTION
When using hexagon head bolt at front of crankshaft to rotate crankshaft, always turn bolt
clockwise. Serious engine damage may result if bolt becomes loose.
2.
Check runout of seal bore as follows:
a.
Mount a dial indicator with magnetic base (Figure 2, Item 5) on rear of crankshaft (Figure 2, Item 4).
b.
With an assistant rotating front of crankshaft clockwise, note runout reading. Maximum allowable
runout of bore is 0.008 inch (0.20 mm).
4
5
MAINT_194
Figure 2.
Rear Crankshaft Oil Seal Runout Check.
END OF TASK
TM 9-2815-205-24
0071
0071-3
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