Servicing - wsm L503 Workshop Manual

L3130 · L3430 · L3830 · L4630 · L5030, WSM

(2) Servicing

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
case with sandpaper.
(1) Brake Cam
Cam Plate Flatness
1. Place the cam plate on the surface plate.
2. Measure the flatness of cam plate with a feeler gauge at four
points on a diagonal line.
3. If the measurement exceed the allowable limit, replace it.
Cam Plate Flatness Allowable limit
Height of Cam Plate and Ball
1. Measure the dimension 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 spec.
Height of 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 spec.
Brake disc thickness
Allowable limit
Plate Wear
1. Measure the plate thickness with vernier calipers.
2. If the measurement is less than the allowable limit, replace it.
Factory spec.
Plate thickness
Allowable limit
5-S11
BRAKES
(2) Brake Cam Lever
W10144750
0.3 mm
0.012 in.
W10145650
20.9 to 21.1 mm
0.823 to 0.831 in.
20.5 mm
0.807 in.
W10147220
4.6 to 4.8 mm
0.181 to 0.189 in.
4.2 mm
0.165 in.
W10148530
2.54 to 2.66 mm
0.1000 to 0.1047 in.
2.1 mm
0.083 in.
W10149690
KiSC issued 02, 2007 A