Adjusting Neutral (continued)
WARNING
Do not attempt to adjust the neutral position with the machine wheels on the
ground. The machine could move forward or backward unexpectedly, causing
severe injury or death.
3. Lift and securely support the machine so that all four wheels are off of the ground;
refer to Jacking Instructions, page 1–6. Ensure that the jack stands or supporting
blocks will not make contact with the wheels when they rotate.
4. Remove the hydraulic pump cover; refer to Removing and Installing the Hydraulic
Pump Cover, page 7–15.
5. Place a weight of 22.5 kg (50 lb) on the seat so the operator presence switch is
activated.
6. Place the neutral assist lever
in the ON position to engage the neutral assist
spring.
7. Start the power unit and adjust the engine speed to approximately 2,000 RPM.
8. Locate the neutral adjustment nut
located on the lower right side of the frame,
directly below the neutral assist lever.
Note: It is easier to achieve the desired neutral setting by leaving the nut slightly
snug and tapping it in the desired direction using a rubber mallet.
9. Loosen the neutral adjustment nut.
10. Release the parking brake and observe the direction in which the tires are
rotating. If the tires are rotating in the forward direction, move the nut up in the
frame slot. If the tires are rotating in reverse move the nut down in the frame slot.
11. Once the proper neutral position is set and the tires no longer rotate, tighten the
neutral adjustment nut to 42 Nm (31 ft-lb).
12. Verify that the neutral position is still correct, move the SDLA lever in the forward
and reverse directions. Allow the spring return to move the lever back to the
neutral position. Observe the tires to see any movement. Adjust the neutral
position as required.
13. Engage the parking brake, shut off the engine, and remove the key from the
ignition.
14. Remove the weight from the seat.
15. Install the hydraulic pump cover.
16. Remove the machine from the jack stands or supporting blocks.
Chassis: Adjustments Page 7–8 4520P
09.40003Rev 00
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