Troubleshooting - Toro Groundsmaster 3400 Operator's Manual

Troubleshooting

Problem
The engine does not start with the ignition
key.
The battery is flat.
The hydraulic system is overheating.
The brakes operate incorrectly.
The steering does not operate correctly.
The machine does not move forward or
reverse.
The machine creeps forward or backward
in neutral.
Possible Cause
1. The transmission neutral-interlock
switch is not energized.
2. The parking-brake interlock switch is
not energized.
3. The cutting-unit drive interlock switch
is not energized.
4. There is a faulty electrical connection.
1. The terminal connection is loose or
corroded.
2. The alternator belt is a loose or
damaged.
3. The battery is not charged.
4. There is an electrical circuit short.
1. The radiator is full of debris.
2. The oil-cooler fins are plugged.
3. The engine-radiator matrix is plugged.
4. The relief-valve setting is low.
5. The hydraulic fluid is low.
6. The brakes are engaged.
7. The fan or fan drive is damaged.
1. The wheel-motor brake assembly is
faulty.
2. The brake discs are worn.
1. The steering valve is damaged.
2. The hydraulic cylinder is damaged.
3. The steering hose is damaged.
1. The parking brake is engaged.
2. The hydraulic-fluid level is low.
3. Incorrect hydraulic fluid was used.
4. The drive-pedal linkage is damaged.
5. The transmission pump is damaged.
6. The transmission-relief valve is open.
7. The drive coupling is broken.
8. The transmission filter is blocked.
1. The transmission-neutral adjustment is
incorrectly set.
48
Corrective Action
1. Remove your foot from the
forward/reverse pedals or check
the setting of the transmission
neutral-interlock switch.
2. Operate the parking brake lever to the
position.
ON
3. Check the setting of parking-brake
interlock switch.
4. Trace and correct the fault.
1. Clean and tighten the terminal
connections. Charge the battery.
2. Adjust the tension or replace the drive
belt.
3. Charge the battery or check and
replace the battery.
4. Trace the short in the circuit and fix it.
1. Clean the screen.
2. Clean the fins.
3. Clean the matrix.
4. Contact an Authorized Service Dealer.
5. Fill the reservoir to the correct level.
6. Disengage the brakes.
7. Check the fan operation and service
the fan as needed.
1. Contact an Authorized Service Dealer.
2. Contact an Authorized Service Dealer.
1. Service or replace the steering valve.
2. Service or replace the hydraulic
cylinder.
3. Replace the damaged hose.
1. Release the parking brake.
2. Fill the reservoir to the correct level.
3. Drain the reservoir and refill with the
correct oil.
4. Check the linkage and replace
damaged parts.
5. Have the transmission pump
overhauled by your authorized dealer.
6. Close the relief valve.
7. Replace the drive coupling.
8. Replace the transmission filter.
1. Adjust the transmission-neutral linkage
setting.