Kubota M5040 Workshop Manual page 319

M5040, M6040, M7040, WSM
[3] SERVICING
Ball Bearing
1. Hold the inner race, and push and pull the outer race in all
directions to check for wear and roughness.
2. Apply transmission fluid to the bearing, and hold the inner race.
Then, turn the outer race to check rotation.
3. If there is any defect, replace it.
Needle Bearing
1. Check the needle bearing for abrasion, color, change or other
damage.
2. If there is any doubt as to the condition of a needle bearing,
replace it.
Backlash between Internal Gear and Planetary Gear
1. Set a dial indicator (lever type) on the tooth of the planetary gear.
2. Hold the planetary gear support and move only the planetary
gear to measure the backlash.
3. If the measurement exceeds the allowable limit, check the
planetary gear and planetary shaft.
Factory spec.
Backlash between
internal gear and
planetary gear
Allowable limit
Thrust Collar Thickness
1. Measure the thickness of the thrust collar.
2. If the measurement is less than the allowable limit, replace it.
Factory spec.
Thrust collar thickness
Allowable limit
4-S7
REAR AXLE
W1024200
W1018975
0.2 to 0.4 mm
0.0078 to 0.0157 in.
0.5 mm
0.020 in.
W1013592
1.55 to 1.65 mm
0.0610 to 0.0650 in.
1.2 mm
0.047 in.
W1013700
KiSC issued 06, 2008 A