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3. Make this adjustment for both sides.
e) Tracking Adjustment
1. Stop engine and wait for all moving parts to stop. Engage parking
brake. Raise the rear of the machine, remove jack stands and
carefully lower the machine to the ground. (Check the drive tire
pressure and tire circumference. See 4.1.11.)
2. Run the unit and observe the tracking on a level, smooth, hard surface
such as concrete or asphalt.
3. If the unit tracks to one side or the other, turn the quick track knob.
Turn the knob right to “steer” right; turn the knob left to “steer” left.
4.2.10 Hydro Pump Spring Tension Setting
:
a) For medium or heavy duty drive conditions such as operation with a sulky
on steep slopes, a higher spring force may be required on the hydro pump
control arms to prevent the drive system from stalling.
b) For a heavier drive setting, relocate the spring anchor links to either the
“medium” or “heavy duty” positions as shown in Figure 15. The spring
anchor links are attached to the upper rear corner of the hydro drive shields
on the left and right hand sides of the machine.
Note: In the “medium” or “heavy duty” positions, the drive lever forces at
the upper handle will also be increased.
FIGURE 15
4.2.11 Park Brake Adjustment
:
a) Shut off engine and wait for all moving parts to stop.
b) Disengage the park brake.
c) Remove the hairpin in the lower park brake linkage. Turn the linkage in the
yoke until there is 3/16” (.48 cm) to 1/4” (.64 cm) clearance between the
park brake tire bars and the tires with the park brake disengaged. Re-
install the hairpin.
5. WASTE DISPOSAL
5.1 MOTOR OIL DISPOSAL
Engine oil and hydraulic oil are both pollutants to the environment. Dispose of used oil
at a certified recycling center or according to your state and local regulations.
6. TROUBLE SHOOTING
6.1 MOWER TRACKS TO LEFT OR RIGHT
a) Check the drive tire pressures and circumferences. See 4.1.11.
b) Turn knob on the right hydro control linkage in the direction in which the mower
needs to be adjusted. Turn the knob in 1/4 turn increments until the mower tracks
correctly.
6.2 MOWER CUTS UNEVENLY
a) Check the drive tire pressures and circumferences. See 4.1.11. A more uniform
cutting height may be obtained with higher tire pressure on rough terrain. A lower tire
pressure provides more flotation.