Servicing - wsm Kubota L4100 Workshop Manual

L4100, WSM

[4] SERVICING

Brake Cam and Brake Cam Lever
1. Remove the brake cam mounting nut and remove the brake
cam (2) and brake cam lever (4).
(When reassembling)
• Apply grease to the O-ring (3) and take care not damage the
O-ring.
(1) Brake Case
(2) Brake Cam
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
cam with sandpaper.
(1) Brake Cam
Cam Plate Flatness
1. Place the cam plate on the surface plate.
2. Use a feeler gauge of 0.3 mm (0.012 in.) thick for judgement of
the cam plate flatness. Measure the flatness diagonally at more
than four locations.
3. If the measurement is above the allowable limit, replace it.
Cam plate flatness Allowable limit
Height of Brake Cam Plate and Ball
1. Measure the dimensions of the brake 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 uneven
wear is found, replace it.
Factory specification
Height of brake cam
plate and ball
Allowable limit
Brake Disc Wear
1. Measure the brake disc thickness with vernier calipers.
2. If the measurement is less than the allowable limit, replace it.
Factory specification
Brake disc thickness
Allowable limit
5-S8
BRAKES
(3) O-ring
(4) Brake Cam Lever
9Y1210278BRS0007US0
(2) Brake Cam Lever
9Y1210278BRS0009US0
0.30 mm
0.012 in.
9Y1210278BRS0008US0
20.9 to 21.1 mm
0.823 to 0.831 in.
20.5 mm
0.807 in.
9Y1210278BRS0010US0
4.60 to 4.80 mm
0.182 to 0.188 in.
4.20 mm
0.165 in.
9Y1210278BRS0011US0
KiSC issued 08, 2012 A
(EU)