Toro 34230 Operator's Manual page 80

Problem
The engine overheats.
The machine pulls to the left or the right
(with steering control fully forward).
The machine does not drive.
The machine vibrates abnormally.
The impeller does not rotate.
The spreader or sprayer pattern is uneven.
Possible Cause
1. The engine load is excessive.
2. The oil level in the engine is low.
3. The cooling fins and air passages for
the engine are plugged with dirt or
debris.
1. The air pressure in the tires is not
correct.
2. The steering linkage is damaged.
3. The front wheel toe-out is not correct.
4. The front wheel axles are bent or
damaged.
5. The steering control is bent or
damaged.
1. The bypass valve is not closed tight.
1. The engine-mounting bolts are loose.
2. The coupling bolts and nuts for the
drive shaft are loose.
1. There is debris buildup at the impeller.
2. The hopper screen is plugged.
3. The impeller motor is loose or
damaged.
4. An electrical component for the
impeller motor system is open.
5. The impeller On/Off switch is in the
O position or the impeller speed
FF
control is set too slow.
6. The impeller-drive pin is missing.
7. The bearings failed in the impeller
motor.
1. The impeller is dirty or damaged.
2. The spreader-pattern control is not
adjusted properly.
3. The sprayer nozzles are clogged.
4. The hopper screen is plugged.
5. Material in the hopper is clumped over
the gate.
6. The diffuser ramp setting is incorrect.
80
Corrective Action
1. Reduce the ground speed of the
machine.
2. Add oil into the engine to the proper
oil level.
3. Clean the cooling fins and the air
passages.
1. Adjust air pressure in the drive tires.
2. Replace steering linkage.
3. Align the front wheels; refer to Aligning
the Front Wheels procedure.
4. Repair or replace the front wheel axles.
5. Repair or replace the steering control.
1. Close the bypass valve.
1. Tighten the engine-mounting bolts.
2. Tighten the appropriate fasteners.
1. Clean the impeller.
2. Clean the hopper screen.
3. Repair or replace the impeller motor.
4. Check the electrical connections.
5. Set the impeller On/Off switch to the
O position and check the position of
N
the knob for the impeller-speed control.
6. Replace the drive pin.
7. Replace the bearings in the motor or
the motor assembly.
1. Clean, repair, or replace the impeller.
2. Adjust the spreader-pattern control;
refer to the Adjust the Spreader Pattern
procedure in the Using the Spreader
section.
3. Clean or replace the nozzles.
4. Clean the hopper screen.
5. Check to see if the agitator pin for the
shaft of the impeller motor is present.
6. Adjust the position of the control cable.