Oil Pump (Bx2660) - Kubota BX1860 Workshop Manual

BX1860, BX2360, BX2660, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM

(7) Oil Pump (BX2660)

Rotor Lobe Clearance
1. Measure the clearance between lobes of the inner rotor and the
outer rotor with a feeler 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 feeler 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 plastigage 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 the oil
pump rotor assembly.
Clearance between rotor
Factory spec.
and cover
1-S67
ENGINE
0.060 to 0.18 mm
0.0024 to 0.0071 in.
W10355630
0.100 to 0.180 mm
0.00394 to 0.00708 in.
W10356560
0.025 to 0.075 mm
0.00099 to 0.0029 in.
W10357320
KiSC issued 06, 2009 A