Kubota WSM L3560, Workshop Manual

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BRAKES
L3560, L4060, L4760, L5060, L5460, L6060, WSM
5-S15
6. SERVICING
Brake Cam Lever Movement
1. Assemble the brake cam (1) and brake cam lever (2).
2. Move the brake cam lever by hand to check the movement.
3. If the movement is heavy, refine the brake cam lever or brake
case with sandpaper.
9Y1210824BRS0012US0
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 exceed the allowable limit, replace it.
9Y1210824BRS0013US0
Height of Cam Plate and Ball
1. Measure the dimension 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.
9Y1210824BRS0014US0
Brake Disc Wear
1. Measure the brake disc thickness with vernier calipers.
2. If the measurement is less than the allowable limit, replace it.
9Y1210824BRS0015US0
Plate Wear
1. Measure the plate thickness with vernier calipers.
2. If the measurement is less than the allowable limit, replace it.
9Y1210824BRS0016US0
(1) Brake Cam (2) Brake Cam Lever
Cam plate flatness Allowable limit
0.30 mm
0.012 in.
Height of cam plate and
ball
Factory specification
20.9 to 21.1 mm
0.823 to 0.830 in.
Allowable limit
20.5 mm
0.807 in.
Brake disc thickness
Factory specification
4.60 to 4.80 mm
0.181 to 0.188 in.
Allowable limit
4.20 mm
0.165 in.
Plate thickness
Factory specification
2.54 to 2.66 mm
0.100 to 0.104 in.
Allowable limit
2.1 mm
0.083 in.
KiSC issued 03, 2016 A