Oil Pump - Kubota GL6000 Workshop Manual

GL6000, GL7000, GL9000, GL11000, WSM

(6) Oil Pump

Rotor Lobe Clearance
1. Measure the clearance between lobes of the inner rotor and the
outer rotor with a thickness gauge.
2. If the clearance exceeds the factory specifications, replace the oil
pump rotor assembly.
Rotor lobe clearance Factory spec.
Clearance between Outer Rotor and Pump Body
1. Measure the clearance between the outer rotor and the pump
body with a thickness gauge.
2. If the clearance exceeds the factory specifications, replace the oil
pump rotor assembly.
Clearance between
outer rotor and pump Factory spec.
body
Clearance between Rotor and Cover
1. Put a strip of plastigauge (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 spec.
and cover
1-S58
ENGINE
0.03 to 0.14 mm
0.0012 to 0.0055 in.
W10378950
0.07 to 0.15 mm
0.0028 to 0.0059 in.
W10381420
0.075 to 0.135 mm
0.00295 to 0.00531 in.
W10382660
KiSC issued 05, 2015 A