Kubota D650-B Handbuch Seite 174

PISTON, CONNECTING ROD
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OOllP085
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Checking I nside Diameter of Piston Bosses
1) Measure the piston bosses with a cylinder gauge. Set the
cylinder gauge's reference measurement to 23mm, and
carry out zero point adjustment with an outside micro­
meter.
2) If the measurement exceeds the allowable limit, replace.
limit
0.7886 in.
Reference value
20.03mm
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8
Checking Clearance between Piston Pin and
Small End Bushing
1) Measure the piston pin with an outside micrometer.
2) Measure the I.D. of connecting rod small end bushing
with an inside micrometer. Calculate the clearance.
3) If the clearance exceeds the allowable limit, replace.
Reference value
Allowable limit
178