Lift Cylinder
FRONT
RIGHT
1
2
3
7
6
4
10
5
8
9
2
Figure 18
1. Coring head frame
5. Hydraulic
hose
8. Cotter pin (2 used)
2. 90
o
hydraulic fitting
6. Clevis pin (2 used)
9. Lift
cylinder
3. O–ring (2 used)
7. Hydraulic
hose
10. Main frame
4. O–ring (2 used)
Removal (Fig. 18)
1. Park the machine on a level surface, fully raise the
coring head and stop the engine. Remove the key from
the ignition switch.
2. Raise lock–up brackets on each side of machine and
lower coring head until it rests on brackets.
CAUTION
Operate hydraulic lift control to relieve system
draulic oil.
pressure and avoid injury from pressurized hy-
5. Disconnect hydraulic hoses from hydraulic fittings on
lift cylinder. Locate and discard o–rings from between
hoses and fittings. Allow hoses to drain into a suitable
container.
6. Plug disconnected hoses and fittings to prevent con-
tamination.
7. Support lift cylinder to prevent it from falling. Remove
cotter pins and clevis pins that secure lift cylinder to cor-
ing head and machine frame.
8. Remove lift cylinder from the machine.
9. If needed, remove hydraulic fittings and o–rings from
the lift cylinder. Discard o–rings.
3. Move lift lever to both raise and lower to make sure
that hydraulic system pressure is relieved.
4. Remove control cover from machine (Fig. 19).
Hydraulic System
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Greens Aerator
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