Return To Neutral Adjustment; Neutral Adjustment - Ferris 5900605 Operator's Manual

Is1500z series zero-turn riding mower
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RETURN-TO-NEUTRAL
ADJUSTMENT
To determine if it is necessary to adjust the neutral
return, perform the following steps.
1. Disengage the PTO, engage the parking brake
and turn off the engine.
2. Move the ground speed control levers into the
operating position, pull levers rearward and
release.
3. Move the ground speed control levers out towards
the neutral position. If the levers do not align with
the notches in the neutral lock plate, it is
necessary to adjust the neutral return rod (C,
Figure 32).
Adjustment
1. Loosen the jam nut (B) locked against the clevis
(A).
2. Turn the neutral return rod (C) to adjust handle
position.
4. Pull lever rearward and release to check position
again. Adjust as necessary to align levers with
notches.
It is important to note that after every adjustment of
the neutral return rod, the lever must be pulled
rearward and released to properly check the neutral
position.
5. Once the lever alignment has been adjusted, lock
jam nut against the clevis.

NEUTRAL ADJUSTMENT

If the tractor "creeps" while the ground speed control
levers are locked in NEUTRAL, then it may be
necessary to adjust the linkage rod.
NOTE: Perform this adjustment on a hard, level
surface such as a concrete floor.
1. Disengage the PTO, engage the parking brake
and turn off the engine.
2. There are three nuts (B, Figure 33) on the linkage
rod. The first two are to be used together to turn
the rod and the third (towards the front of the
machine) is used to lock the rod in place. Loosen
the jam nut that locks against the ball joint (B,
Figure 33) and turn the linkage rod (A) to adjust.
If the machine creeps forward, turn the rod
CLOCKWISE (while standing at the rear of the
machine, facing forward), if the machine creeps
backward, turn the rod COUNTER-CLOCKWISE.
3. Lock the jam nut (B) against the ball joint when
neutral is achieved.
NOTE: This adjustment should not be performed
while the machine is running. It may take several
attempts to achieved neutral, depending upon how
much the machine creeps.
Troubleshooting, Adjustment & Service
Figure 32. Neutral Spring Return Adjustment
A. Clevis
B. Jam Nut
C. Neutral Return Rod
B
Figure 33. Neutral Adjustment
(RH side shown)
A. Adjustment Linkage Rod
B. Nuts
C
A
B
A
37

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