Adjusting the Front Wheel
Toe-in
Service Interval:
Every 100 hours/Yearly (whichever
comes first)—Check the front wheel
toe-in.
Important:
You need Toro Tool No. 6010 from
your Toro Distributor to perform this procedure.
The toe-in should be 0 +/– 3 mm (0 +/– 1/8 inch).
•
Check the tire pressure to ensure that the front
tires are inflated to 165 to 207 kPa (24 to 30 psi).
•
Either, add weight to the driver's seat equal to the
average operator who will run the machine, or
have an operator sit on the seat. The weight or
operator must remain on the seat for the duration
of the procedure.
•
On a level surface, roll the machine straight back
2 to 3 m (6 to 10 ft) and then straight forward
to the original starting position. This allows the
suspension to settle into the operating position.
•
Measure the toe-in with the wheels facing straight
ahead.
Adjust the riding height to the desired position by
performing the following procedure:
1.
Using Toro Tool No. 6010, rotate the collar
on the shock absorber to change the spring
pre-load (
).
Note:
This is easier to do if the front of the
machine is jacked up so that the front wheels
are off the ground.
g192355
Figure 46
1.
Shock-absorber spring
2.
Collar
2.
On a level surface, roll the machine straight back
2 to 3 m (6 to 10 ft) and then straight forward to
the original starting position.
3.
Measure the distance between both of the front
tires at the axle height at both the front and rear
of the front tires (
).
g009235
Figure 47
1.
Tire center line—back
3.
Axle center line
2.
Tire center line—front
4.
If the measurement does not fall within 0 +/–
3 mm (0 +/– 1/8 inch), loosen the jam nuts at the
outer end of the tie rods (
).
g034329
Figure 48
1.
Tie rod
2.
Jam nut
5.
Rotate both tie rods to move the front of the tire
inward or outward.
6.
Tighten the tie rod jam nuts when the adjustment
is correct.
7.
Ensure that there is full travel of the steering
wheel in both directions.
42
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