Toro Groundsmaster 5900 Series Service Manual page 292

INPUT/OUTPUT (continued)
Electrical System: InfoCenter Display
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To engage reverse traction, the following inputs and qualifiers are required
(Figure 163):
•
Operator seat needs to be occupied (SEAT ON).
•
Parking brake must be disengaged (PARKING BRAKE OFF).
•
Traction pedal pushed to reverse (REVERSE RANGE ON).
•
Traction pedal position sensor voltage should be within the range determined
during traction pedal calibration (TRACTION PEDAL (V) between REV MAX
and REV NEUTRAL on Traction Pedal Screen).
If the proper inputs and qualifiers exist, the following outputs should occur
(Figure 163):
•
Parking brake hydraulic solenoid valve S10 should be energized (output
not displayed on this screen).
•
Hydrostat solenoid S2 should be energized (HYDROSTAT FWD ON).
•
Hydrostat solenoid S2 output current should be within range (AMP REV
0.640 to 1.800).
HIGH/LOW Range
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Note: The traction system will not engage HIGH range speed if the PTO is
engaged or if any cutting deck is lowered or floating. Also, the cruise control
must not be engaged, the traction pedal must be in neutral and the hydraulic oil
temperature must be above 4 ºC (40 ºF).
Figure 163
(Reverse)
Figure 164
(High Speed Range)
Page 6–30 Groundsmaster ® 5900 & 5910
16227SL Rev B