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Toro ProLine 30526 Operator's Manual: Tracking Adjustment

Mid–size mower proline hydro 15 hp with 48" side discharge mower.
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Adjusting Control Rods
1. Adjust the rod length by releasing the drive lever and
removing clevis pin. Rotate the rod in the rod fitting
(Fig. 53).
2. Lengthen the rod if the tire is turning in reverse and
shorten the rod if the tire is turning forward.
3. Rotate the rod several turns if the tire is rotating fast.
Then, adjust the rod in 1/2 turn increments.
4. Release and engage neutral lock checking that the tire
does not rotate. Continue this process until the tire does
not rotate.
5. Place the hairpin back into clevis pin (Fig. 53).
6. Repeat this adjustment for opposite side.
Figure 53
1. Handle
2. Neutral lock
3. Neutral position

Tracking Adjustment

1. Remove machine from any jack stands.
2. Check the rear tire pressure. Refer to Checking the Tire
Pressure, page 32.
3. Run the unit and observe the tracking on a level,
smooth, hard surface such as concrete or asphalt.
4. If the unit tracks to one side or the other, turn the quick
track knob. Turn the knob right to steer right and turn
the knob left to steer left (Fig. 54).
4. Drive lever
5. Full speed forward
6. Control rod
Figure 54
1. Quick track knob
Adjusting Spring Anchor Links
For medium or heavy duty drive conditions, such as
operating with a sulky on steep slopes, a higher spring force
may be required on the hydro pump control arms to prevent
the drive system from stalling.
1. Disengage the PTO, turn the ignition key to off, and
remove the key.
2. Wait for all moving parts to stop before leaving the
operating position and then chock or block tires.
3. For a heavier drive setting, relocate the spring anchor
links to either the medium or heavy duty positions
(Fig. 55). The spring anchor links are attached to the
upper rear corner of the hydro drive shields on the left
and right sides of the machine.
Note: In the medium or heavy duty positions, the drive
lever forces at the upper handle will also be increased
Figure 55
1. Spring anchor
2. Standard setting
3. Medium setting
4. Heavy duty setting


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