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Figure 51
1. Turf-compensation spring
2. Hairpin
2.
Tighten the hex nuts on the front end of the
spring rod until the compressed length of the
spring is 15.9 cm (6.25 inches); refer to
51.
Note:
When operating on rough terrain
decrease the spring length by 13 mm (1/2 inch).
Ground following will be slightly decreased.
Note:
The turf compensation setting will
need to be reset if the HOC setting or the
Aggressiveness of Cut setting is changed.
Adjusting the Lift-Arm
Counterbalance
Rear Cutting Units
CAUTION
The springs are under tension and could
cause personal injury.
Use caution when adjusting the springs.
You can adjust the amount of counterbalance force
applied to the rear cutting-units to help compensate
for different turf conditions, and to maintain a uniform
height of cut in rough conditions or in areas of thatch
buildup.
You adjust counterbalance force of each torsion
spring to 1 of 4 settings. Each increment increases or
decreases the counterbalance force on the cutting
unit by 2.3 kg (5 lb). You can position the springs at
the back side of the first spring actuator to remove all
counterbalance (fourth position).
Note:
To remove all counterbalance force, position
the long leg of the torsion spring above the shouldered
stud.
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3. Spring rod
4. Hex nuts
Figure
1.
Park the machine on a level surface, lower the
cutting units, shut off the engine, engage the
parking brake, and remove the key.
2.
Insert the long end of the counterbalance spring
into a tube or similar object, and pivot the spring
around the shouldered stud to the desired
position
(Figure
1. Spring
3.
Repeat steps
1
spring.
Adjusting the Lift-Arm
Turnaround Position
1.
Park the machine on a level surface, lower the
cutting units, shut off the engine, engage the
parking brake, and remove the key.
2.
The lift-arm switch is located underneath the
hydraulic tank and inboard of the cutting unit #5
lift arm
(Figure
3.
Loosen the jam nut that secures lift-arm switch
to the switch plate
33
52).
Figure 52
2. Shouldered stud
and
2
at the other counterbalance
31).
Figure 53
(Figure
54).
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