Crankshaft Inspection - CPI JR 50 Service Manual

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CRANKSHAFT INSPECTION

Measure the connecting rod big end side
clearance with a feeler gauge.
SERVICE LIMIT: 0.55 ㎜
Measure the connecting rod big end radial
clearance at two different point across from
each other.
SERVICE LIMIT: 0.05 ㎜
Place the crankshaft on a stand or V-blocks
and measure the run out using a dial gauge.
Actual bend is 1/2 of total indicator reading.
SERVICE LIMIT: 0.1 ㎜
Check the crankshaft bearing play.
If they are noisy or have recessive play,
replace a new one.
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