Yamaha MM700A Manual page 203

DRIVE SYSTEM
3. Check the sheave drive belt surfaces for rubber or sust
buildup. For proper operation, the sheave surfaces must
be clean. Remove mbber or rust debris with a coarse grade
Check the splines in the fixed sheave half for cracks or
damage.
5. The ramp shoes (Figure 45) on the fixed sheave half
provide a sliding surface between the fixed sheave half
and spring scat. Because the pads arc rubbing against alu-
minum, wear is normally minimal, Howcver, if any ramp
pad is gouged or damaged, install new pads. Replace the
pads if any pad is worn to a thickness (Figure 46) less
than 1 .O mm (0.04 in. j.
tortion. Replace the spring if the fkee length is less than 75
7. Inspect the bushings in the sliding sheave half and
spring seat. Replace the bushing if excessively worn or
damaged.
worn or damaged.
9. Inspect the studs in the sliding sheave half (Figure 47).
Replace the studs if damaged.
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