Troubleshooting - Toro RT600 Operator's Manual

Troubleshooting

Problem
The chain does not turn.
The trencher does not dig fast enough.
The chain turns in the wrong direction.
The bearing-case lube is contaminated.
Possible Cause
1. A hydraulic fitting is not completely
connected.
2. A hydraulic fitting is damaged.
3. There is an obstruction in a hydraulic
hose.
4. An auxiliary valve on the machine is
not opening.
5. The boom-end bearing has failed.
6. The digging chain is too tight.
7. There is sand buildup in the tooth root
of the drive sprocket.
8. The hydraulic motor or the chain drive
has failed.
1. The teeth are worn.
2. There is a restriction in a hydraulic
hose.
3. The hydraulic system is too hot.
4. The relief valve is set below
specifications.
1. The hydraulic hoses are reversed.
1. The fill plug is leaking.
2. The O-ring on the motor has failed.
3. The seal has failed.
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Corrective Action
1. Check and tighten all fittings.
2. Replace the damaged fitting.
3. Find and remove the obstruction.
4. Repair the valve.
5. Replace the bearing.
6. Adjust the tension on the digging chain.
7. Raise the trencher, run the chain
backward, then decrease the chain
tension.
8. Contact an Authorized Service Dealer.
1. Replace any worn teeth.
2. Check the hoses and repair any
problems found.
3. Shut down the system and allow it to
cool.
4. Contact an Authorized Service Dealer.
1. Disconnect the reversed hoses and
install them correctly.
1. If there is moisture around the wheel
plug, change the oil and replace the
plug and the plug O-ring.
2. Contact an Authorized Service Dealer.
3. Contact an Authorized Service Dealer.