Troubleshooting - Toro 31051 Operator's Manual

Troubleshooting

Problem
The key switch is in the O
the dash panel indicator lights do not turn
on.
The dash panel indicator lights turn on
with the key switch in the O
the starter motor does not turn.
The engine starts only intermittently or the
engine runs irregularly.
The starter motor turns, but the engine
does not start.
The engine shuts off while the PTO is still
engaged.
The cut is uneven and collection system is
insufficient.
The machine vibrates while operating.
position, but 1. The is no current from the battery.
N
2. The battery electrolyte level is low.
3. The battery has no charge.
4. A fuse is bad.
1. There is not enough current coming
position, but from the battery.
N
2. The traction pedal is not in the N
position.
3. You are not sitting in the operator's
seat.
4. The PTO is engaged.
1. The air filter is bad.
2. There is sediment or dirt in the fuel.
1. The fuel does not flow through the
system.
2. The fuel does not flow through the
system.
3. The fuel does not flow through the
system.
4. The glow plugs are not warm enough
when the engine is cold.
5. The glow plugs are not warm enough
when the engine is cold.
1. The PTO is malfunctioning.
2. The operator leaves the seat.
3. The PTO is malfunctioning.
4. The parking brake is engaged and the
traction pedal is pressed down.
1. The mower deck is not parallel to the
ground.
2. The mower deck is not parallel to the
ground.
3. The blade performance is poor.
4. The blade performance is poor.
5. The blade performance is poor.
6. Your speed is too fast for the grass
height and condition.
7. The chute is blocked.
8. The chute is blocked.
9. The chute is blocked.
1. The blades are unbalanced.
2. Bolts are loose.
Possible Cause
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88
Corrective Action
1. Check the connection of the wires.
2. Check the battery electrolyte level.
3. Charge the battery.
4. Replace the fuse.
1. Charge the battery.
2. Move the traction pedal to the N
position.
3. Sit down in the operator's seat.
4. Disengage the PTO.
1. Clean or replace the air filter.
2. Check and replace the fuel filter, if
necessary.
1. Check the fuel-tank level.
2. Check and replace a fuel filter, if
necessary.
3. Ensure that the vent on the fuel-tank
cap is not blocked.
4. Wait for the glow-plug warning light to
switch to the O position.
FF
5. Shut off the engine and turn the key to
the O /P position to perform a
N REHEAT
second glow cycle.
1. Check the function of the PTO switch.
2. Sit down in the operator's seat.
3. Close and lower the hopper.
4. Disengage the parking brake.
1. Ensure that the tires are properly
inflated.
2. Adjust the mower deck to ensure that it
is parallel with the ground.
3. Ensure that the blades are mounted
correctly.
4. Sharpen or replace the blades.
5. Adjust the PTO belt tension.
6. Slow down the travel speed.
7. Clean the chute.
8. Ensure that the maximum engine
speed is 3000 rpm.
9. Clean the grass-catcher screen.
1. Balance the blades or replace them, if
damaged.
2. Tighten the blade bolts, engine bolts,
and frame screws if they are loose.
EUTRAL