wsm STW37 Workshop Manual page 330

STW34, STW37, STW40, WSM
[3] SERVICING
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.
Factory specification
Height of cam plate and
ball
Allowable limit
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
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 wear
Allowable limit
Brake Plate Wear
1. Measure the brake plate thickness.
2. If the thickness is less than the allowable limit, replace it.
Factory specification
Brake plate 1
Allowable limit
Factory specification
Brake plate 2 thickness
Allowable limit
5-S16
BRAKES
20.95 to 21.05 mm
0.8248 to 0.8287 in.
20.5 mm
0.807 in.
9Y1211109BRS0005US0
0.3 mm
0.012 in.
9Y1211109BRS0006US0
3.4 to 3.6 mm
0.1339 to 0.1417 in.
3.0 mm
0.118 in.
9Y1211109BRS0007US0
2.54 to 2.66 mm
0.1000 to 0.1047 in.
2.1 mm
0.083 in.
2.52 to 2.68 mm
0.0992 to 0.1055 in.
2.1 mm
0.083 in.
9Y1211109BRS0008US0
KiSC issued 11, 2014 A