Kubota M5040, Workshop Manual

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5-S7
M5040, M6040, M7040, WSM BRAKES
[3] SERVICING
Cam Plate Flatness
1. Place the cam plate on the surface plate.
2. Measure the flatness of cam plate with a feeler gauge at four
points on a diagonal line.
3. If the measurement exceeds the allowable limit, replace it.
W1012658
Height of Cam Plate and Ball
1. Measure the dimensions of the cam plate with the ball installed.
2. If the measurement is less than the allowable limit, replace the
cam plate and balls.
3. Inspect the ball holes of cam plate for uneven wear. If the uneven
wear is found, replace it.
W1012756
Brake Disc Wear
1. Measure the brake disc thickness with vernier calipers.
2. If the measurement is less than the allowable limit, replace it.
W1012945
Brake Plate Wear
1. Measure the brake plate thickness with vernier calipers.
2. If the measurement is less than the allowable limit, replace it.
W1014676
Brake Plate Flatness
1. Place the brake plate on the surface plate.
2. Measure the flatness of brake plate with a feeler gauge at four
points on a diagonal line.
3. If the measurement exceeds the allowable limit, replace it.
W1013149
Cam plate flatness Allowable limit
0.3 mm
0.012 in.
Height of cam plate and
ball
Factory spec.
25.45 to 25.55 mm
1.002 to 1.0059 in.
Allowable limit
25.00 mm
0.9843 in.
Brake disc thickness
Factory spec.
4.15 to 4.35 mm
0.1634 to 0.1713 in.
Allowable limit
3.3 mm
0.130 in.
Brake plate wear
Factory spec.
2.1 to 2.5 mm
0.0827 to 0.0984 in.
Allowable limit
1.5 mm
0.059 in.
Brake plate flatness Allowable limit
0.3 mm
0.012 in.
KiSC issued 06, 2008 A