Kubota M9540, Workshop Manual

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1-S70
M8540, M9540, WSM ENGINE
(2) Idle Gar and Camshaft
Timing Gear Backlash
1. Set a dial indicator (lever type) with its tip on the gear tooth.
2. Move the gear to measure the backlash, holding its mating gear.
3. If the backlash exceeds the allowable limit, check the oil
clearance of the shafts and the gear.
4. If the oil clearance is proper, replace the gear.
W1064048
Idle Gear Side Clearance
1. Set a dial indicator with its tip on the idle gear.
2. Measure the side clearance by moving the idle gear to the front
and rear.
3. If the measurement exceeds the allowable limit, replace the idle
gear collar.
W1064208
Camshaft Side Clearance
1. Set a dial indicator with its tip on the camshaft.
2. Measure the side clearance by moving the cam gear to the front
and rear.
3. If the measurement exceeds the allowable limit, replace the
camshaft stopper.
W1064307
Backlash between crank
gear and idle gear 1
Factory spec.
0.0490 to 0.193 mm
0.00193 to 0.00759 in.
Allowable limit
0.22 mm
0.0087 in.
Backlash between idle
gear 1 and cam gear
Factory spec.
0.0490 to 0.189 mm
0.00193 to 0.00744 in.
Allowable limit
0.22 mm
0.0087 in.
Backlash between idle
gear 1 and idle gear 2
Factory spec.
0.0440 to 0.185 mm
0.00174 to 0.00728 in.
Allowable limit
0.22 mm
0.0087 in.
Backlash between idle
gear 2 and injection
pump gear
Factory spec.
0.0440 to 0.177 mm
0.00174 to 0.00696 in.
Allowable limit
0.22 mm
0.0087 in.
Backlash between cam
gear and balancer gear
1
Factory spec.
0.0470 to 0.182 mm
0.00188 to 0.00716 in.
Allowable limit
0.22 mm
0.0087 in.
Backlash between idle
gear 1 and balancer
gear 2
Factory spec.
0.0440 to 0.183 mm
0.00174 to 0.00720 in.
Allowable limit
0.22 mm
0.0087 in.
Idle gear side clearance
Factory spec.
0.15 to 0.30 mm
0.0059 to 0.011 in.
Allowable limit
0.9 mm
0.04 in.
Side clearance
Factory spec.
0.07 to 0.22 mm
0.0028 to 0.0086 in.
Allowable limit
0.30 mm
0.012 in.
KiSC issued 09, 2008 A