Toro Groundsmaster 3400, Operator'S Manual

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Troubleshooting
Problem Possible Cause Corrective Action
1. The transmission neutral-interlock
switch is not energized.
1. Remove your foot from the
forward/reverse pedals or check
the setting of the transmission
neutral-interlock switch.
2. The parking-brake interlock switch is
not energized.
2. Operate the parking brake lever to the
ON
position.
3. The cutting-unit drive interlock switch
is not energized.
3. Check the setting of parking-brake
interlock switch.
The engine does not start with the ignition
key.
4. There is a faulty electrical connection. 4. Trace and correct the fault.
1. The terminal connection is loose or
corroded.
1. Clean and tighten the terminal
connections. Charge the battery.
2. The alternator belt is a loose or
damaged.
2. Adjust the tension or replace the drive
belt.
3. The battery is not charged. 3. Charge the battery or check and
replace the battery.
The battery is flat.
4. There is an electrical circuit short. 4. Trace the short in the circuit and fix it.
1. The radiator is full of debris. 1. Clean the screen.
2. The oil-cooler fins are plugged. 2. Clean the fins.
3. The engine-radiator matrix is plugged. 3. Clean the matrix.
4. The relief-valve setting is low. 4. Contact an Authorized Service Dealer.
5. The hydraulic fluid is low. 5. Fill the reservoir to the correct level.
6. The brakes are engaged. 6. Disengage the brakes.
The hydraulic system is overheating.
7. The fan or fan drive is damaged. 7. Check the fan operation and service
the fan as needed.
1. The wheel-motor brake assembly is
faulty.
1. Contact an Authorized Service Dealer.
The brakes operate incorrectly.
2. The brake discs are worn. 2. Contact an Authorized Service Dealer.
1. The steering valve is damaged. 1. Service or replace the steering valve.
2. The hydraulic cylinder is damaged. 2. Service or replace the hydraulic
cylinder.
The steering does not operate correctly.
3. The steering hose is damaged. 3. Replace the damaged hose.
1. The parking brake is engaged. 1. Release the parking brake.
2. The hydraulic-fluid level is low. 2. Fill the reservoir to the correct level.
3. Incorrect hydraulic fluid was used. 3. Drain the reservoir and refill with the
correct fluid.
4. The drive-pedal linkage is damaged. 4. Check the linkage and replace
damaged parts.
5. The transmission pump is damaged. 5. Have the transmission pump
overhauled by your authorized dealer.
6. The transmission-relief valve is open. 6. Close the relief valve.
7. The drive coupling is broken. 7. Replace the drive coupling.
The machine does not move forward or
reverse.
8. The transmission filter is blocked. 8. Replace the transmission filter.
The machine creeps forward or backward
in neutral. 1. The transmission-neutral adjustment is
incorrectly set.
1. Adjust the transmission-neutral linkage
setting.
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