Troubleshooting; General Troubleshooting - Toro MH-400 Operator's Manual

Troubleshooting

General Troubleshooting

If the problem still occurs after all the checks listed below have been completed, contact an authorized Toro distributor for
service.
Symptom
Conveyor belt will not turn
Conveyor belt is jerking
Option will not operate
Conveyor belt will not stop
when using on/off pendant
switch
Hydraulics are noisy
Maintenance Instructions
The belt control valve is in the center position.
The belt is incorrectly tensioned.
The material is too densely packed or clumped together (open rear gate latches to bulk
unload).
The on/off pendant switch is in the 'floor off' position for SH models.
The conveyor belt option on the control pendant is off for EH models.
The remote switch is off for the EH models.
The pressure and return hose quick couplers are not connected properly.
The tow vehicle (or power pack) has insufficient hydraulic oil.
There is no power at the solenoid. If 12 volts present belt will not move. If 0 volts present belt
should move.
The tow vehicle has insufficient hydraulic pressure and flow.
The tow vehicle (or power pack) has insufficient hydraulic oil.
The rpm is not at full throttle on the tow vehicle.
The belt is not tensioned properly and the rear drive roller is slipping.
The belt control valve is not fully open.
The tow vehicle has insufficient hydraulic pressure and flow.
The option flow control valve is in the 'off' position.
The option hose quick couplers are not connected properly.
The pressure and return hose quick couplers are not connected properly.
The tow vehicle (or power pack) has insufficient hydraulic oil.
The battery connections are incorrect and/or insecure.
The battery harness connector at rear of tractor is not connected properly.
The on/off pendant switch is not plugged into the MH-400.
There is no power at the solenoid.
The machine has not reached operating temperature (run for approximately 5 minutes).
Cause
Page 49