Cub Cadet 8404 - Manual (Page 187)

BRAKE
6-13 D615-W02 May-2003
615W618A
615W619A
D. Wear Check of Brake Disc
1. Measure the thickness of brake disc.
2. If the measured value exceeds the allowable limit,
replace it.
Sect. Specified Allowable limit
Thickness of
brake disc 4.60 ~ 4.80 mm
0.181 ~ 0.189 in.
4.2 mm
0.165 in.
C. Height Check of Cam Plate and Ball
1. Seat ball into cam plate and measure the height of
the ball in the bottom of cam plate.
2. If the measured value exceeds the allowable limit,
replace the cam plate and ball.
Sect. Specified Allowable limit
Height of ball
from bottom of
cam plate (H) 20.9 ~ 21.1 mm
0.8228 ~ 0.8307 in.
20.5 mm
0.8071 in.
615W617A
B. Wear Check of Cam Plate
1. Check brake disc contacted surface of cam plate
for wear, and measure the flatness using a clear-
ance gauge.
2. If it exceeding the allowable limit, replace it.
Sect. Specified Allowable limit
Flatness of
cam plate 0.3 mm
0.012 in.
0.3 mm
0.012 in.
(1) Clearance Gauge
615W620A
E. Wear Check of Brake Plate
1. Measure the thickness of brake plate.
2. If the measured value exceeds the allowable limit,
replace it.
Sect. Specified Allowable limit
Thickness of
brake disc 2.54 ~ 2.66 mm
0.1000 ~ 0.1047 in.
2.10 mm
0.0827 in.