Kubota M5040 Workshop Manual page 198

M5040, M6040, M7040, 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 allowable limit, replace the oil pump
rotor assembly.
Factory spec.
Clearance between
outer rotor and pump
body
Allowable limit
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 with the specified torque.
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 allowable limit, replace oil pump
rotor assembly and the cover.
Factory spec.
Clearance between rotor
and cover
Allowable limit
Tightening torque Oil pump cover screw
1-S72
ENGINE
0.100 to 0.184 mm
0.0039 to 0.0072 in.
0.3 mm
0.0118 in.
W1071334
0.025 to 0.075 mm
0.0010 to 0.0030 in.
0.225 mm
0.0089 in.
7.84 to 9.31 N·m
0.80 to 0.95 kgf·m
5.78 to 6.87 lbf·ft
W1148218
KiSC issued 06, 2008 A