Toro 23518 Operator's Manual page 37

Problem
The engine overheats.
The machine pulls left or right (with levers
fully forward).
The machine does not drive.
There is abnormal vibration.
The tines do not raise.
The tines do not engage the ground.
Possible Cause
1. The engine load is excessive.
2. The oil level in the crankcase is low.
3. The cooling fins and air passages for
the engine are plugged.
1. The tire pressure in drive tires is not
correct.
2. The tracking needs adjustment.
1. The drive belt or pump belt is worn,
loose or broken.
2. The drive belt or pump belt is off a
pulley.
1. A tine is bent.
2. The tine mounting bolt is loose.
3. The engine mounting bolts are loose.
4. There is a loose engine pulley or idler
pulley.
5. The engine pulley is damaged.
6. A belt is damaged.
7. The chains are not properly tensioned.
1. There is an auxiliary pump belt
problem.
2. The tine down pressure setting is too
low.
3. There is a short in the harness.
4. The auxiliary reservoir is low on oil.
1. The tine down pressure setting is too
low.
2. The harness/switch is damaged.
3. The auxiliary reservoir is low on oil.
4. The cylinder stop is in place.
37
Corrective Action
1. Reduce the ground speed or aeration
depth.
2. Add oil to the crankcase.
3. Remove the obstructions from the
cooling fins and air passages.
1. Adjust the tire pressure in the drive
tires.
2. Adjust the motion control linkage.
1. Change the belt.
2. Change the belt.
1. Install a new tine.
2. Tighten the tine mounting bolt.
3. Tighten the engine mounting bolts.
4. Tighten the appropriate pulley.
5. Contact an Authorized Service Dealer.
6. Install a new belt.
7. Check the jackshaft drive chain tension,
the drive wheel chain tension, and the
tine drive chain.
1. Tension or replace the belt.
2. Increase the down pressure.
3. Contact an Authorized Service Dealer.
4. Add oil to the reservoir.
1. Increase the tine down pressure.
2. Contact an Authorized Service Dealer.
3. Add oil to the reservoir.
4. Remove the cylinder stop, clevis pin,
and hair pin.