Kubota WSM L3540-II, Workshop Manual

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ENGINE L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
1-S61
[2] TIMING GEARS, CAMSHAFT AND FUEL 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.
[for V2203-M and V2403-M only]
9Y1211167ENS0070US0
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.
9Y1211167ENS0071US0
Backlash between idle
gear and crank gear
Factory specification
0.04150 to 0.1122 mm
0.00164 to 0.004417 in.
Allowable limit
0.15 mm
0.0059 in.
Backlash between idle
gear and cam gear
Factory specification
0.04150 to 0.1154 mm
0.001634 to 0.004543 in.
Allowable limit
0.15 mm
0.0059 in.
Backlash between idle
gear and injection pump
gear
Factory specification
0.04150 to 0.1154 mm
0.001634 to 0.004543 in.
Allowable limit
0.15 mm
0.0059 in.
Backlash between crank
gear and oil pump gear
Factory specification
0.0415 to 0.109 mm
0.00164 to 0.00429 in.
Allowable limit
0.15 mm
0.0059 in.
Backlash between idle
gear and balancer gear
(IN. side)
Factory specification
0.0350 to 0.116 mm
0.00138 to 0.00456 in.
Allowable limit
0.15 mm
0.0059 in.
Backlash between cam
gear and balancer gear
(EX. gear)
Factory specification
0.0350 to 0.116 mm
0.00138 to 0.00456 in.
Allowable limit
0.15 mm
0.0059 in.
Idle gear side clearance
Factory specification
0.12 to 0.48 mm
0.0048 to 0.018 in.
Allowable limit
0.9 mm
0.035 in.
KiSC issued 02, 2015 A