Great Plains PH-20 Operator Manual - Manual (Page 10)

8
Section 1 Preparation and Setup
PH-15, PH-20, PFH-15 and PFH-20 Precision Fertilizer Hitch 148-365M 12/29/2011
Great Plains Mfg., Inc.
Section 1
Preparation and Setup
This section will help you prepare your tractor and hitch for
use. Before using the hitch in the field, you must hook the
hitch to a suitable tractor and three-point drill, hook the
hitch hydraulics to the tractor remotes, and make sure the
hitch hydraulics have been bled of air.
Prestart Checklist
1. Read and understand “Important Safety Informa-
tion,” page 1.
2. Check that all working parts are moving freely, bolts
are tight, and cotter pins are spread.
3. Check that all grease fittings are in place and lubricat-
ed. Refer to Lubrication, “Maintenance and Lubrica-
tion,” page 33.
4. Check that all safety decals and reflectors are correct-
ly located and legible. Replace decals if damaged.
See Safety Decals, “Important Safety Information,”
page 4.
5. Inflate tires to pressure recommended and tighten
wheel bolts as specified. See “Appendix,” page 40.
Hooking Hitch to Tractor
You may be severely injured or killed by being crushed between
the tractor and hitch. Do not stand or place any part of your
body between hitch and moving tractor. Stop tractor engine and
set park brake before installing the hitch pin.
1. Place hitch weldment (1) over ball swivel (2) on hitch
tongue. 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.
Figure 1-1
Drawbar Assembly Illustration
4. Securely attach safety chain to frame of tractor draw-
bar.
5. Remove jack from stob on side of hitch tongue and
place in transport position on frame brace. See Figure
1-2.
Figure 1-2
Jack in Transport
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