Cub Cadet 8454 - Manual (Page 297)

BRAKE
7-17 D569-W02 May-2003
7. SERVICING
Brake Can Lever Movement
1. Move the brake cam lever by hand to check the
movement.
2. If the movement is heavy, refine the brake cam with
sandpaper.
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.
Cam plate
flatness Allowable
limit
0.3 mm
0.012 in.
Height of cam
plate and ball
Factory
spec.
Allowable
limit.
20.9 ~ 21.1 mm
0.8228 ~ 0.8307 in.
20.6 mm
0.8110 in.
569W728A
569W729A
569W730A
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
judgment of the cam plate flatness.
3. If the measurement is above the allowable limit,
replace it.