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Service and maintenance
4.8
Replacing ram seal in the hydraulic ram for setting disc
working depth
Figure 4.7
A
Unscrew and remove the piston rod guide (A) using the hook wrench (B).
B
Pull out the piston rod. The seal can now be replaced.
NOTE!
Make sure that the seals face the correct way.
C
Check that there are no scratches on the jacket lining (C).
D
Fit in reverse order.
Check with your finger that the spill holes do not have any sharp edges. If necessary, work the
edges with a fine abrasive cloth.
Carefully flush the ram prior to assembly. Fit the ram to the implement (see "5.1 Hydraulic system
diagram" on page 44 for ram positioning), and bleed the hydraulic system, see "4.11 Bleeding
the hydraulic system to set disc front tool" on page 39.
38
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