123940 6-1 REV C
POWER UNIT MAINTENANCE
Steering Adjustments
Steering Control Lever Neutral Adjustment
The mower’s steering has been factory adjusted to
eliminate creeping when the steering control levers are in the
neutral position. However, should the mower begin to creep,
the steering control lever linkage can be adjusted.
Before considering any adjustment, check the tire air
pressure. Unequal tire pressure will cause the mower to drift
to one side. Refer to tire pressure information in the Tires
section for detailed information.
NOTE: Proper park brake adjustment must be completed
before the steering control lever neutral adjustment can be
done. Refer to the Park Brake Adjustment section for detailed
information.
Fine adjustment to the unit’s steering is made with the
transmission’s control rod.
Neutral is properly adjusted when the steering control
levers are in the park brake position and the transmissions
do not “whine”.
If the transmissions “whine”, the steering control linkage
may be adjusted as follows:
1. Raise the rear of the mower and block with certified
jack stands. The rear wheels need to be able to rotate
freely and clear of all obstructions.
2. Chock the front tires.
3. Raise the seat platform and disconnect the mower
harness from the seat switch. Bypass the seat switch
by connecting the two mower harness female spade
connectors together. Figure 6-1
4. Start the engine.
5. Position the steering control lever in the neutral
position and observe which way the wheels are
rotating. Figure 6-2
6. If wheel(s) are rotating forward, loosen the jam nuts on
the pump linkage rods and rotate the rod to shorten
the steering control linkage until the wheel(s) come to
a stop. Figure 6-3
7. Repeat for the opposite side if necessary.
8. If wheel(s) are rotating in reverse, then loosen the jam
nuts on the pump linkage rods and rotate the rod to
lengthen the steering control linkage until the wheel(s)
come to a stop. Figure 6-3
Repeat for the opposite side if necessary.
Never work under the machine or attachment
unless it is safely supported with jack stands.
• Make certain machine is secure when it is
raised and placed on the jack stands.
• Use only certified jack stands. Use only
appropriate jack stands, with a minimum
weight rating of 2000 pounds (907 kg) to
block the unit up.
• Use in pairs only.
• Follow the instructions supplied with the
jack stands.
• The jack stands should not allow the
machine to move when the engine is running
and the drive wheels are rotating.
• Do not allow the wheels to come in contact
with the floor or any object that would permit
the unit to propel itself.
• To prevent injury stay clear and exercise
caution when rotating the wheels.
Keep hands, hair, clothing, etc., clear of the cooling
fans on top of the transmissions. Exercise extreme
caution.
WARNINGWARNING
Untrained maintenance personnel should never
attempt to make any adjustments or repairs to the
mower’s drive system while the engine is running.
The following procedures should be performed by
trained maintenance personnel only.
A. Female spade
connectors
B.
Seat switch
C.
Mower harness
Figure 6-1
WARNING
C
A
B
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