Disassembly - Yamaha VK540EF Service Manual

PRIMARY SHEAVE AND DRIVE V-BELT
4-4
ESS00120

DISASSEMBLY

1. Remove:
S Fixed sheave 1
S Stopper 2
S Sliding sheave 3
S Bushing 4
S Spider 5
Removal steps:
S Immerse the primary sheave assembly in 80_
X 100_C (176_ X 212_F) water for several
minutes.
S Attach the lower piece of the clutch spider sep-
arator 6 onto a rigid table using suitable
mounting bolts.
Then, install the clutch separator adapter 7
onto the separator.
Clutch spider separator:
90890-01711, YS-28890-B
Clutch separator adapter:
90890-01740, YS-34480
S Fit the primary sheave assembly onto the
adapter and secure the supporting plates 8 .
NOTE:
Securely fit the projections on the adapter into
the fixed sheave holes.
S Set the clutch spider separator (bar wrench)
9 onto the spider and turn the special tool
clockwise to loosen the spider.
Clutch spider separator
(bar wrench):
90890-01711, YS-28890-B
CAUTION:
S The spider has a left-handed thread.
S Since a high torque is required to loosen
the spider, make sure that the spider, fixed
sheave and special tool are well secured.
Loosen the spider carefully to prevent
cracks and damage to the sheaves and spi-
der.
S Remove the fixed sheave, fixed sheave stop-
per, and sliding sheave from the spider.
POWR
TR