Warning, Hydraulic hook-up, Bleeding hydraulic systems – Great Plains FCP1000 Predelivery Manual User Manual

Page 7

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11/4/08

FCP1000 Three-Meter Drill and Hitch 148-693Q

Great Plains Mfg., Inc.

Hydraulic Hook-up

!

WARNING!

Escaping fluid under pressure can have sufficient force to pene-
trate the skin. Check all hydraulic lines and hoses before apply-
ing pressure. Fluid escaping from a very small hole can be
almost invisible. Use paper or cardboard, not body parts, to
check for suspected leaks. If injured, seek medical assistance
from a doctor that is familiar with this kind of injury. Foreign
fluids in the tissue must be surgically removed within a few
hours or gangrene will result.

Refer to Figure 6

Great Plains hydraulic hoses are colour coded to help you
hook-up hoses to your tractor outlets. Hoses that go to the
same remote valve are marked with the same colour. To

distinguish hoses on the same hydraulic circuit, refer to
plastic hose holder. Connect hose under extended cylin-
der to outlet you choose for cylinder extension. Connect
hose under retracted symbol to outlet for cylinder retrac-
tion.

Figure 6

Hydraulic Hose Color Ties

Connect hydraulic hoses from tongue cylinder to one trac-
tor remote valve. Connect hoses from transport-lift cylin-
ders to another tractor remote valve.

Colour

Hydraulic Function

Red

Transport Lift Cylinders

Blue

Tongue Cylinder

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Bleeding Hydraulic Systems

For safe and smooth operation, the hydraulic systems
must be free of air. Bled the hydraulic systems during ini-
tial implement set-up.

Bleeding Tongue Cylinder
1.

Check hydraulic fluid in tractor reservoir and fill to
proper level. Add fluid to system as needed. Tongue
cylinder capacity is 1.89 litres (one-half gallon).

2.

Raise and safely support hitch, transport frame and
front tongue.

3.

Unpin rod end of tongue cylinder. Block, wire or other-
wise safely support cylinder so when rod end is fully
extended it does not contact anything.

4.

Cycle cylinder completely in and out at least three
times to purge air from cylinder and hoses.

5.

Fully extend cylinder and repin rod end.

6.

Re-check tractor reservoir and fill to proper level.

Bleeding Transport Lift Cylinders
The transport-lift cylinders are rephasing cylinders and re-
quire a special procedure for bleeding air from the circuit.
Read and follow procedure carefully. Cylinders will not
function properly with air in the hydraulic circuit.

1.

Check hydraulic fluid in tractor reservoir and fill to
proper level. Add fluid to system as needed. Trans-
port-lift-cylinder capacity is about 7.57 litres (2 gal-
lons).

2.

Jack up and support hitch frame.

Refer to Figure 7

3.

Remove 1/2” nylock nuts (1) on spring side of cylinder-
support brace. Unpin cylinders. Do not alter position of
jam nuts (2) on centre of support-brace bolts.

Figure 7

Unpin Cylinders

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