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Belt Tension - Toro 4502 Service Manual

With “f” series engines

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SCAMP AND UTILITY MODELS
SERVICING
SELF=PROPELLED BELT DRIVE
10. Reassemble the drive shaft into the bearing
and slide it to the left as far as possible. Assemble
the washer and drive roller on the drive shaft.
11. The drive rollers must be properly installed to
utilize the self-cleaning feature. Proper installation
is with the vee pointing toward the wheel.
12. Using a new roll pin, assemble the drive roller
to the drive shaft. Use
a 5/32" or larger drift
punch, drive the roll pin into place, flush with the
outer surface. Neither end should protrude beyond
the roller surface.
INSTALL BELT AS SHOWN
FOR PROPER PULLEY ROTATION
13.
As
you face the front of the mower, twist the
forward end of the belt 1/4 turn counter clockwise
and assemble on the engine drive pulley. Assemble
engine on muffler plate and secure with three bolts.
14. Release spring tension on idler pulleys and as-
semble belt on drive shaft pulley. Reassemble idler
pulley spring and rotate the belt several revolu-
tions. Check
to make sure the belt
is centered on
the pulleys and TURNING IN RIGHT DIREC-
TION. Note direction of arrow on large pulley in
illustration above. Check and adjust belt tension
if
necessary.
Refer
to
BELT
TENSION
ADJUSTMENT.
When replacing
either of the belt idler
assemblies, use idler kit part no. 682374
for the top and kit part no. 682564 on the
bottom.
10.50
SERVICE BULLETIN REFERENCES
REVISED 1983

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