Adjusting The Traction Control Rod; Adjusting The Traction Pedal Friction Wheel; Adjusting The Traction Drive For Neutral - Toro 30631 Operator's Manual

4-wheel drive traction unit
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Adjusting the Traction Control
Rod
1.
Check the traction drive neutral position to assure
the front wheels do not creep; refer to Adjusting
the Traction Drive for Neutral.
2.
Press down on the front of the traction pedal and
check travel. There should be approximately
89mm clearance between the end of the pedal
and floor plate when the pedal in fully depressed
(Fig. 37). Adjust the pump control rod (Fig. 38)
to attain dimension.
Figure 37
1. End of the pedal
2. Floor plate
1
Figure 38
1. Control rod
2. Friction wheel
1
2
2
30
Adjusting the Traction Pedal
Friction Wheel
1.
Loosen the two nuts securing the traction pedal
shaft on the right side of the pedal (Fig. 38).
2.
Rotate the shaft to move the worn surface of the
friction wheel away from the underside of the
traction pedal.
3.
Tighten the nuts to secure the shaft and wheel in
position.
Adjusting the Traction Drive for
Neutral
1.
Park vehicle on a level surface and turn the
engine off. Apply the parking brake, tip the seat
forward, and actuate pump lever (Fig. 39) to
ensure assembly is properly seated and operating
freely. Correct any discrepancy.
2.
Block the right front tire and both rear tires so the
vehicle cannot roll forward or backward.
3.
Jack up the frame so the left front wheel is off the
shop floor. Use a jack stand to support the frame.
4.
Start the engine and allow it to idle for 5 minutes
to heat the transmission oil to operating
temperature.
5.
Release the parking brake; then check the left
front wheel that is off shop floor. The wheel must
not be rotating. If the wheel is rotating, go to step
11 for an adjustment. If the wheel is not rotating,
go to step 13. Verify the adjustment with the
throttle in the SLOW and FAST position.
6.
Because the wheel is rotating, the pump plate
must be adjusted. But before adjusting the pump
plate, move the throttle to SLOW. If the wheel is
rotating forward, loosen the capscrews, and
lightly tap the bottom of the pump plate
counterclockwise (Fig. 39). By contrast, tap the
pump plate clockwise if wheel is rotating
backward (Fig. 39). When the wheel stops
rotating, tighten the capscrews holding the pump

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