Oil Pump - Kubota GL6000A-AU-B Workshop Manual

GL6000A-AU-B, GL6000D-AU-B,GL9000A-AU-B, GL9000D-AU-B, 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 specification, replace the oil
pump rotor assembly.
Rotor lobe clearance Factory specification
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 specification, replace the oil
pump rotor assembly.
Clearance between outer
Factory specification
rotor and pump 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 specification, replace oil
pump rotor assembly.
Clearance between rotor
Factory specification
and cover
1-S58
ENGINE
0.030 to 0.14 mm
0.0012 to 0.0055 in.
9Y1211607ENS0099US0
0.070 to 0.15 mm
0.0028 to 0.0059 in.
9Y1211607ENS0100US0
0.0750 to 0.135 mm
0.00296 to 0.00531 in.
9Y1211607ENS0101US0
KiSC issued 06, 2016 A