Toro 07511AA, Руководство по обслуживанию

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TRACTION (example): (continued)
•
Depress the traction pedal slowly. The TR. PEDAL SIGNAL 1 and 2 voltages
should increase as the pedal is depressed. Signal 1 should be approximately
twice as high as signal 2. If not, the traction pedal or its circuit wiring is faulty
and should be tested.
•
Depress the decelerator pedal slowly. The BRAKE NEUTRAL input should
be OFF when the pedal is depressed and ON when the pedal is fully at rest.
If not, the decelerator pedal neutral switch or its circuit wiring is faulty and
should be tested.
•
Depress the decelerator pedal slowly. The BRAKE PEDAL SIGNAL voltage
should increase as the pedal is depressed. If not, the decelerator pedal or its
circuit wiring is faulty and should be tested.
•
Toggle the parking brake switch ON and OFF. The PBRAKE OFF input
should alternate ON and OFF. If not, the parking brake switch or its circuit
wiring is faulty and should be tested.
•
Press and release the differential lock button. The DIFF. LOCK input should
alternate OFF and ON. If not, the differential lock button or its circuit wiring is
faulty and should be tested.
•
When the vehicle is stationary, both FRONT and REAR GROUND (speed
sensors) should display 0.0MPH/KPH. When the vehicle is in motion, both
speed sensors should display approximately the same speed. If not, one of
the speed sensors or its circuit wiring is faulty and should be tested.
•
When the engine is running and the vehicle is stationary, both FRONT and
REAR TRACTION (pressure sensors) should display the system charge
pressure of approximately 1860 kPa (270 psi). A charge pressure reading
of less than 1103 kPa (160 psi) indicates a pressure sensor or a hydraulic
charge circuit issue.
•
When the engine is running and the vehicle is in motion, both FRONT and
REAR TRACTION should display approximately the same pressure due to the
traction pressure compensation feature. If not, one of the pressure sensors or
its circuit wiring may be faulty and should be tested, or the traction pressure
compensation software may require reloading or replacement. Contact your
Authorized Toro Distributor for assistance in reloading the machine software.
Using the Outputs Screen
Note: An inappropriate output reading may indicate an issue with the
controller. Contact your Authorized Toro Distributor for assistance with controller
reprogramming or replacement.
•
When the vehicle is stationary, FRONT/REAR FWD/REV HYDRO will
display a minimum amount of amperage being sent to the various traction
pump control valve solenoids. All four displays should be approximately the
same. When the vehicle is in motion, the amount of amperage being sent
to the various traction pump control valve solenoids should increase. If the
output reading is appropriate and the vehicle does not perform correctly,
the traction pump control valve solenoid or its circuit wiring may be faulty
and should be tested.
•
When the decelerator pedal is pressed, the BRAKE OUTPUT (optional
electric trailer brake controller) toggles form OFF to ON. If the output reading
is appropriate and the vehicle does not perform correctly, the optional electric
trailer brake controller, the electric trailer brakes, or their circuit wiring may be
faulty and should be tested.
•
Once all the required conditions are satisfied (engine running, vehicle
stationary, parking brake disengaged), pressing and releasing the differential
lock button should toggle DIFF. LOCK OUTPUT ON and OFF. Also, the DIFF.
LOCK OUTPUT is ON when the parking brake switch is ON and OFF when
Troubleshooting: Attachment/Loader Problems Page 3–24 Outcross 9060
18234SL Rev B