Great Plains 800 Operator Manual - Manual (Page 16)

175-057M Table of Contents Index 2011-10-25
12 800 Table of Contents Index Great Plains Manufacturing, Inc.
Preparation and Setup
This section helps you prepare your tractor and drill for
use. Before using the drill in the field, you must hitch the
drill to a suitable tractor and also setup the drill.
Pre-Setup Checklist
1. Read and understand “Important Safety
Information” on page 1.
2. On a new drill, verify that Pre-Delivery items have
been completed (page 59).
3. Check that all working parts are moving freely, bolts
are tight, and cotter pins are spread.
4. De-grease cylinder rods and reconnect hoses if
these steps taken at previous storage.
5. Check that all grease fittings are in place and
lubricated. See “Lubrication and Scheduled
Maintenance” on page 42.
6. Check that all safety decals and reflectors are
correctly located and legible. Replace if damaged.
See “Safety Decals” on page 5.
7. Inflate tires to pressure recommended and tighten
wheel bolts as specified. See “Appendix A -
Reference Information” on page 52.
Hitch Preparation
Adjusting the Drill Hitch
Adjust the drill hitch to match tractor drawbar height so
your drill frame runs level in the field.
Crushing Hazard:
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 machines being hitched. Stop tractor
engine and set parking brake before installing hitch pin.
Refer to Figure 3
1.
Back your tractor up as if hitching to the drill. Park
the tractor several yards from the drill. Set the brake
and turn off the tractor.
2. Crank the drill jack until the top of the drill box is
parallel with the ground. Compare the height of the
drill hitch to your tractor drawbar.
3. If necessary, adjust the drill hitch to match your
tractor drawbar.To adjust the hitch, remove the
3 ⁄
4
in
nuts, bolts and washers. Reposition and re-install the
clevis hitch.
Negative Tongue Weight Hazard:
This drill can have positive and negative tongue weight, which
can work the hitch pin loose during transport. To avoid serious
injury or death due to a road accident, always check that the
drill is hitched before raising the openers. Lower the openers
before unhitching.
WARNING
NEGATIVE TONGUE WEIGHT
HAZARD
Negative tongue weight can cause immediate
elevation of tongue when unhitching implement
To prevent serious injury or death:
Always be certain implement is hitched securely
to tractor drawbar before raising.
Lower implement BEFORE unhitching.
818-019C Rev D
Figure 3
Clevis Hitch Positions
18544
15
9 ⁄
32
in. (38.8 cm)
18
9 ⁄
32
in. (46.4 cm)
19
17 ⁄
32
in. (49.6 cm)
22
17 ⁄
32
in. (57.2 cm)