Great Plains 2S-2600HDF Predelivery Manual - Manual (Page 24)

22 2S-2600HD Great Plains Manufacturing, Inc.
195-069Q 08/01/2007
Bleeding Fold Hydraulics
Refer to Figure 23
1. Review warnings, bleeding notes and system infor-
mation on page 20.
2. With drill unfolded and fold cylinders completely
extended, disconnect rod end pins and swing the cyl-
inders so they will not contact anything when
extended.
3. Loosen rod end hose JIC fitting at elbow on left
fold cylinder.
4. Slowly supply oil to rod end of fold cylinders (line
noted as “Pressure 1st”) until oil appears at loosened
hose fitting. Tighten fitting and completely retract fold
cylinders.
5. With cylinders completely retracted, loosen base end
hose JIC fitting
at elbow on left fold cylinder.
6. Slowly supply oil to base end of fold cylinders (line
noted as “Pressure 2nd”) until oil appears at loos-
ened hose fitting. Tighten base end hose fitting and
cycle fold cylinders in and out several times.
7. Re-pin cylinder rod clevis.
Figure 24
Bleeding Fold Hydraulics
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