Toro Greensmaster eTriFlex 3360 Service Manual page 168

Testing the Steering Motor (continued)
Electrical System: Testing the Electrical Components
• Turning the steering wheel in both directions. The current required to
move the rear caster wheel should appear next to Mtr Current while the
steering motor is moving.
• The amount of current required to turn the rear caster wheel should not
exceed 6A.
8. Locate the steering motor and disconnect it from the machine wire harness.
Check the motor connector and the harness connector for damage or
corrosion and clean or repair as necessary. Ensure all the connector pins are
equally seated in the connector body.
9. If the InfoCenter diagnostics inputs and outputs report normally and the
steering motor does not function properly, replace the steering motor; refer
to Figure 64.
A. Record the orientation of the steering motor prior to removal.
B. Remove the fasteners securing the steering motor to the upper steering
housing and remove the steering motor. Locate and discard the steering
motor gasket.
C. Remove and replace the retaining ring and the pinion gear from the motor
shaft if necessary. Apply a light coating of high temperature grease (Mobil
XHP-222 or equivalent) to the pinion gear teeth.
D. Use a new steering motor gasket, orient the steering motor as previously
recorded, and install the steering motor.
E. Update the machine software; contact an Authorized Toro Distributor.
10. Calibrate the steering system. Calibrate the steering system – center first,
then calibrate the steering system – range; refer to
System – Center (page 5–91)
(page 5–91).
and Calibrating the Steering System – Range
Page 5–64
Calibrating the Steering
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev B