HYDROSTATIC POWER TRAIN
4203780 First Edition 5-29
5
Tests and Adjustments
Traction Linkage Adjustments
See Figures 5-14 through 5-19.
Traction Pedal Neutral Adjustment
Figure 5-14
NOTE
If the mower creeps in either direction while the engine is
running and the traction pedal is in the NEUTRAL
position, the hydro linkage may need adjustment.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
!
WARNING
2. Raise the mower so that all four wheels are off the
ground. Place jackstands under the frame to support
the mower.
3. Disengage the parking brake.
4. Bypass the seat switch.
5. Place the 4WD switch in the ON position.
6. Apply a small amount of oil to the pedal linkage pivot
points before adjusting, to ensure free movement of
the linkage.
7. Start the engine and set the throttle in the fast idle
position.
!
WARNING
8. Loosen the jam nut (1) on the traction pump
centering cylinder (3), and turn the adjustment nut (2)
moving the threaded rod in or out as required to stop
the wheels from turning.
9. Stop the engine.
10. Hold the adjustment nut (2) and tighten the jam nut
(1).
11. Start the engine and check the adjustment.
12. Proceed to “Reverse Kick-Out Switch Initial
Adjustment” on page 5-30.
TN1985
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2
3
• Support the machine using properly rated
jackstands. Never work under a machine
supported only by a jack.
• Do not use wood or concrete blocks to
support the machine. Failure to properly
support the machine may result in death or
serious injury.
Use extreme caution while performing the
following adjustment, as the drive wheels will be
off the ground and the engine will be running.
Serious personal injury can result if clothing or
limbs become entangled in moving parts.
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