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Section 6
NEUTRAL ADJUSTMENT
1. Be sure the dump valve levers are in the run position
and the steering control levers are in the neutral lock
position.
2. With an operator in the seat, start the engine and
disengage the parking brake.
3. Run the engine at full operating speed and check if
the machine creeps forward or backwards.
4. Adjust the RH wheel by loosening the jam nuts on
the steering control rod and turning the rod until the
drive wheel turns in the forward direction. Turn the
rod back until the drive wheel stops moving. Turn the
rod an additional 1/2 turn. See Figure 6-3.
ADJUST
HERE
JAM
NUTS
JAM
NUTS
RIGHT STEERING
CONTROL ROD
LEFT STEERING
CONTROL ROD
Figure 6-3. Steering Control Rod Adjustment
5. Tighten the jam nuts and repeat for the LH wheel.
See Figure 6-3.
6. Actuate the steering control levers forward and
reverse several times and return them to the neutral
position.
7. Check that the drive wheels remained in neutral and
readjust if necessary.
8. Check that the steering control levers hit the stop
before the pumps reach full stroke. Adjust as
needed.
TRACkING ADJUSTMENT
CAUTION
Stop the engine and remove the key from the
ignition before making any adjustments. Wait
for all moving parts to come to a complete stop
before beginning work.
CAUTION
The engine and drive unit can get hot during
operation causing burn injuries. Allow engine
and drive components to cool before making any
adjustments.
- Note -
Before proceeding with this adjustment, be sure
that the caster wheels turn plus pivot freely and
that the tire pressure in the drive wheels is correct.
If the tire pressure is not correct, the machine will
pull to the side with the lower pressure.
1. If at full speed the mower pulls right, it is an
indication that the left wheel is turning faster than
the right wheel. To adjust this condition, proceed as
follows:
A. Stop the machine and place the steering control
levers in the neutral position. Turn the tracking
adjustment bolt for the LH pump inward (clockwise).
This will cause the control rod to stroke the LH pump
less, slowing down the LH wheel. See Figure 6-4.
2. If at full speed the mower pulls left, it is an indication
that the right wheel is turning faster than the left
wheel. To adjust this condition, proceed as follows:
A. Stop the machine and place the steering control
levers in the neutral position. Turn the tracking
adjustment bolt for the RH pump inward (clockwise).
This will cause the control rod to stroke the RH pump
less, slowing down the RH wheel. See Figure 6-4.