Bleeding fold hydraulics – Great Plains 2S-2600HDF Operator Manual v2 User Manual
Page 85
Great Plains Manufacturing, Inc.
Maintenance and Lubrication
81
2014-02-03
195-069M
Bleeding Fold Hydraulics
Refer to Figure 78
1.
Review warnings, bleeding notes and system infor-
mation on page 79.
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 79
Bleeding Fold Hydraulics
17299
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