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Groundsmaster 3000/3000–D
Page 11 – 10
72 inch Cutting Units
Disconnect Cutting Unit From Traction Unit
Note: Implements are heavy and may require two
people to handle.
1. Start tractor and raise deck to highest possible posi-
tion and turn off engine.
2. Rotate ignition key to run position and move lift lever
forward to lower cutting unit.
3. Remove hair pin cotters and clevis pins securing
height–of–cut chains to rear height–of–cut brackets.
4. Raise seat and open needle valve. This allows lift
arms to float freely.
5. Remove hair pin cotter and clevis pin securing latch
cover to lift arm .
6. Loosen release lever by rotating it counterclock-
wise.
7. Pivot release lever upward and remove shaft latch
from slot in traction unit lift arm.
8. Pull rearward on lock collar to release drive shaft
coupler from tractor.
9. Stay clear of lift arms and move deck away from
tractor allowing lift arms to fall.
10. Secure hair pin cotter and clevis pin to height–of–
cut chains for storage.
11. Close needle valve
Figure 15
1. Height–of–Cut Chain
1
Figure 16
1. Needle Valve
1
Figure 17
1. Latch Cover
2. Release Lever
3. Shaft latch
1
2
3
5
4
4. Traction Unit Lift Arm
5. Machined Surface