Servicing - Cub Cadet 8454 Service Manual

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.
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.
Cam plate Allowable
flatness limit
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.
Height of cam Factory
plate and ball spec.
Allowable
limit.
D569-W02 May-2003
K&T Saw Shop 606-678-9623 or 606-561-4983
www.mymowerparts.com
0.3 mm
0.012 in.
20.9 ~ 21.1 mm
0.8228 ~ 0.8307 in.
20.6 mm
0.8110 in.
BRAKE
569W728A
569W729A
569W730A
7-17