Service manual
V Belt Driver
8
58
Limit sizes of parts
A. Balancing ball: Standard outer diameter=18.0mm; limit
size>17.40mm.
Replace any part with the measured size unconformable to spec.
Size: 18.0mm
Weight: 11g
B. Inner diameter of the mobile drive flank hub: Standard
size=24.0mm; limit size=24.06mm.
Replace any part with the measured size unconformable to spec.
Flank check: Replace any flank with the level not good (any groove
developed) which makes the speed change unsmooth.
Ball groove: Check roughness of the ball grooves which affect
smoothness of speed change and the balls’ service life, or change any
defective balls.
C. Measurement of a used clutch shoe
Standard size: 4mm
Lowest limit: 2mm
D. Measurement and check of a belt
Check a removed belt’s external for any
chaps.
Standard width: 20.12mm
Lowest limit: 19.00mm
E. Measurement of the mobile drive flank hub
Standard size: 24.00mm
Limit size: 23.94
* Check the shoe’s thickness
Check a belt’s external
Size limit
Size limit
Balancing ball
Size limit










