Toro 74432 Operator's Manual page 47

Problem
There is abnormal vibration.
Reduced bagging
performance.
Frequent clogging of chute
system.
Debris blowout.
Possible Cause
1. The engine mounting
bolts are loose.
2. The engine pulley, idler
pulley, or blade pulley is
loose.
3. The engine pulley is
damaged.
4. The cutting blade(s)
is/are bent or
unbalanced.
5. A blade mounting bolt is
loose.
6. A blade spindle is bent.
1. Low engine speed.
2. Plugged chute, deck
door.
3. Collection bag is full.
1. Collection bag is full.
2. Low engine speed.
3. Grass is too wet.
4. Grass is too long.
5. Ground speed is too fast. 5. Drive slower at Fast
1. Collection bag is full.
2. Ground speed is too fast. 2. Drive slower at Fast
3. The mower is not level.
47
Corrective Action
1. Tighten the engine
mounting bolts.
2. Tighten the appropriate
pulley.
3. Contact an Authorized
Service Dealer.
4. Install a new cutting
blade(s).
5. Tighten the blade
mounting bolt.
6. Contact an Authorized
Service Dealer.
1. Always operate the
collection mode at Fast
throttle.
2. Remove debris, leaves or
grass clippings from the
chute system.
3. Empty the collection
bag.
1. Empty the collection
bag.
2. Always operate the
collection mode at Fast
throttle.
3. Cut grass when dry.
4. Cut 1/3 of the
grass height, lower
height-of-cut position
and repeat.
throttle.
1. Empty the collection
bag.
throttle.
3. Level the mower
from side-to-side and
front-to-rear.