Kubota WSM J Series Workshop Manual page 148

J SERIES, WSM
Clearance between Outer Rotor and Pump Body
1. Measure the clearance between the outer rotor and the pump
body with a feeler gauge.
2. If the clearance exceeds the factory specifications, replace the oil
pump rotor assembly.
Clearance between
Factory
outer rotor and pump
spec.
body
Clearance between Rotor and Cover
1. Put a strip of plastigage (Code No. 07909-30241) onto the rotor
face with grease.
2. Install the cover and tighten the screws.
3. Remove the cover carefully, and measure the amount of the
flattening with the scale and get the clearance.
4. If the clearance exceeds the factory specifications, replace oil
pump rotor assembly.
Clearance between rotor Factory
and cover spec.
S-102
ENGINE
Z482 0.07 to 0.15 mm
D722 0.0028 to 0.0059 in.
D1005 0.10 to 0.18 mm
V1305 0.0039 to 0.0071 in.
W10381420
Z482 0.075 to 0.135 mm
D722 0.00295 to 0.00531 in.
D1005 0.030 to 0.085 mm
V1305 0.00118 to 0.00335 in.
W10382660
KiSC issued 10, 2016 A