Adjusting the Cutting-Unit Counterbalance (continued)
Adjust the 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).
Note: To remove all counterbalance force, position the long leg of the torsion spring below
the bolt, washer, spacer, and locknut.
1. Park the machine on a level surface, lower the cutting units, engage the parking brake,
shut off the engine, and remove the key.
2. Insert a tube or similar object over the long leg of the spring, and lift the spring leg to
relieve pressure on the spacer.
Note: Have another person help by lifting and lowering the spring leg.
G424029
Lift arm (rear—cutting unit #2 or #3)
Torsion spring
Locknut
Lift-arm plate
Spacer
Washer
Bolt
3. While holding the spring, remove the bolt, washer, and locknut from the lift plate.
4. Align the spring leg above the desired hole location.
5. Install the bolt, washer, spacer, and locknut at the hole location.
6. Slowly lower the spring leg onto the spacer.
7. Repeat steps 2 through 6 at the rear cutting-unit-lift arm.
3466-706A Page 5–16 Operation: During Operation
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