Toro 78449 Operator's Manual page 20

Problem
PTO drive belt comes off of
pulleys,slips or fails. ll li f il
Possible Causes
1. The belt tension is incorrect.
2. The mower level is incorrect.
3. The blade slope in transport is
incorrect.
4. The mower belt guide is loose
or incorrectly adjusted.
5. The belt is worn or damaged.
6. The Pulley is damaged.
7. The engine is not at full throttle.
8. The PTO is being engaged
when the mower is in tall uncut
grass or weeds.
9. The mower is overloaded
because mulching or bagging
requires more power.
10.The mower is overloaded
because too much grass is
being cut at a time.
11. The mower is overloaded
because deck is clogged with
grass clippings.
12.The mower is overloaded
because tractor is mowing too
fast for conditions.
20
Corrective Action
1. Adjust the belt tension.
2. Adjust the mower level.
3. Adjust the blade slope in
transport.
4. Adjust and tighten the belt
guide.
5. Install a new belt.
6. Contact your Authorized
Service Dealer.
7. Always operate
engine-powered attachments at
full throttle.
8. Engage the PTO only in shorter
or previously cut grass.
9. Reduce the ground speed
when mulching or bagging.
10.Cut tall grass and weeds with
the mower in its highest
position, making a second pass
cutting at height desired.
11. Clean the mower.
12.Reduce ground speed.