Doosan DE12T - Cam Shaft End Play; Defect Check; Run-Out

•
Run-out
Support the camshaft on two V blocks
and check for run-out using a dial indi-
cator. Correct or replace the cam shaft if
the amount of run-out is beyond the
value indicating need for servicing.
3) Cam shaft end play
•
Push the thrust plate toward the cam
gear.
•
With a feeler gauge, measure the clear-
ance between the thrust plate and
camshaft journal.
•
If the end play is excessive, replace the
thrust plate.
9.2.6. Crank shaft
1) Defect check
•
Visually check the crankshaft journal and
crank pins for scores or cracks.
•
Using a magnetic particle test and color
check, inspect the crankshaft for cracks,
and replace the crankshaft which has
cracks.
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EA0M4066
EA0M4067
Standard Limit
0.05 mm 0.2 mm
Standard Limit
0.13 ~ 0.27 mm 0.3 mm