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Adjusting the Lift-Arm
Counterbalance
You can adjust the counterbalance on the rear cutting-unit
lift arms to compensate for different turf conditions and to
maintain a uniform height of cut in the rough conditions or
in areas of thatch buildup.
You can adjust each counterbalance spring to 1 of 4 settings.
Each increment increases or decreases counterbalance on the
cutting unit by 2.3 kg (5 lb). You can position the springs on
the back side of the first spring actuator to remove all counter
balance (fourth position).
1. Position the machine on a level surface, lower the
cutting units, stop the engine, engage the parking
brakes, and remove the key from the ignition switch.
2. Insert a tube or similar object onto the long spring end
and pivot it around the spring actuator to the desired
position
(Figure
35).
CAUTION
The springs are under tension and could cause
personal injury.
Use caution when adjusting them.
g019276
1. Spring
3. Repeat the procedure on the other spring.
Adjusting the Lift-Arm
Turnaround Position
1. Position the machine on a level surface, lower the
cutting units, stop the engine, engage the parking
brakes, and remove the key from the ignition switch.
2. The lift-arm switch is located underneath the hydraulic
tank behind the front, right lift arm
3. Loosen the switch-mounting screws
and move the switch down to increase the lift-arm
turnaround height or move the switch up to decrease
the lift-arm turnaround height.
1
2
Figure 35
2. Spring actuator
(Figure
36).
(Figure
1. Switch
4. Tighten the mounting screws.
Locating the Jacking Points
Note: Use jack stands to support the machine when required.
•
Front—rectangular pad, under the axle tube, inside each
front tire
1. Front jacking point
•
Rear—rectangular axle tube on the rear axle
36)
30
Figure 36
2. Lift-arm sensing device
(Figure
37).
Figure 37
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