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Hitachi EX20UR-2 Manual page 346

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Crankshaft gear and timing wheel
Runout of crankshaft
(mm)
Standard
Limit
I
Repair method
0.025
0.05 or more
Replace
Crankshaft gear and timing wheel
Visual check for damage or other defect
Replace if damage or extreme pitting is found.
Da
Crankshaft gear and timing wheel
Install the timing wheel onto the crankshaft by hitting a
brass bar on the wheel with a hammer.
Oil seal
Replace an oil seal with new one if oil seal lip is defec-
tive.
Special tool: 5 - 8840 - 9003 - 0
5 - 8840 - 0007 - 0
ENGINE/Engine
W05-02-30

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