Great Plains CPH-20 Predelivery Manual - Manual (Page 7)

5 12/28/05 CPH Center Pivot Hitch 148-152Q
Great Plains Mfg., Inc.
Section 2
Setup
This section covers hitching the center pivot hitch to a trac-
tor and bleeding the hitch hydraulics.
Hitching Tractor to CPH
!
DANGER!
You may be severely injured or killed by being crushed between
the tractor and drill. Do not stand or place any part of your
body between drill and moving tractor. Stop tractor engine and
set park brake before installing the hitch pin.
1. Place hitch weldment (1) over ball swivel on hitch
tongue (2). Hold hitch weldment in place by inserting
spacer tube (3) through hitch clevis and ball swivel.
2. Back tractor up to hitch and bolt hitch weldment to
tractor drawbar using 1-by-10-inch bolt (4), large flat
washer (5), lock washer (6), and nut (7).
3. Use 3/4-by-9-inch bolt (8) to bolt hitch weldment
through its slotted hole and onto secondary hole of
tractor drawbar. Install a 3/4-inch flat washer (9) next
to top slotted hole and fasten with a lock washer (10)
and nut (11). Tighten both bolts.
17215
Figure 2-1
Drawbar Assembly Illustration
4. Securely attach safety chain to tractor-drawbar frame.
5. Remove jack from stob on side of hitch tongue and
place in transport position on frame brace. See Figure
2-2.
Figure 2-2
12083
Jack in Transport
Hydraulic Hose Hookup
Great Plains hydraulic hoses are color coded to help you
hookup hoses to your tractor outlets. Hoses that go to the
same remote valve are marked with the same color.
Color Hydraulic Function
Red Tongue Cylinders
Blue Transport Lift Cylinders
Orange Marker Cylinders
To distinguish hoses on the same hydraulic circuit, refer to
plastic hose holder. See Figure 2-3. Hose under extend-
cylinder symbol feeds cylinder base ends. Hose under re-
tracted-cylinder symbol feeds cylinder rod ends.
17641
Figure 2-3
Hydraulic Hose Color Ties
Connect hydraulic hoses from tongue cylinder to one set
of tractor outlets. Connect hoses from transport-lift cylin-
ders to another set of tractor outlets.