Great Plains CTA4000 HD Operator Manual User Manual
Page 27
Great Plains Manufacturing, Inc.
Preparation and Setup
23
2012-11-28
160-037M
Refer to Figure 20
7.
Loosen JIC hose fittings at locations shown.
8.
Slowly engage hydraulic lever, in direction that
lowers openers, until oil begins to appear at
loosened fittings. Continue engaging lever until all air
has been expelled, then tighten that fitting. Continue
to supply oil until no oil appears at loose fittings
when openers are completely lowered.
9.
Slowly engage hydraulic lever in direction that raises
openers until oil begins to appear at loosened
fittings. Continue engaging lever until all air is
expelled, then tighten that fitting. Continue to supply
oil until no oil appears at loose fittings when openers
are completely raised.
10. Cycle openers up and down about 10 times. Each
time you lower openers, hold tractor remote lever
until opener-lift circuit builds up to pressure set.
Refer to Figure 21
11. Raise openers, and lock them up by turning the
Field/Transport selector valve handle to Transport.
12. Secure the rod cylinder supports and lower the
implement on the jacks.
Note: Leave the fold cylinders disconnected until they are
bled (next section).
Figure 21
Post-Bleed Lift Lockup
26373
Figure 20
Lift Bleed Points
17154