Before you start, Compatibility, Inventory – Great Plains CTA4000HD User Manual
Page 2: Comprehension, Pre-assembly preparation, Tools required, Prepare drill, Work location

Great Plains Mfg., Inc.
2
Opener Stop Update
221-646M
04/02/2009
Before You Start
Compatibility
Check the serial number plate of the drill to ensure it
is a compatible model, and serial number.
Inventory
2.
Make sure all parts are present.
Comprehension
3.
Review these instructions. Make sure the installers
understand where each part or assembly is
installed, and what tools are required for the task.
Note: Illustrations in this manual, based on the parts
manuals for this family of drills, may show
exploded views that are fully disassembled. Rely
on the instructions for required disassembly and
reassembly steps.
Pre-Assembly Preparation
Tools Required
• suitable tractor for positioning, unfolding and lowering
drill
• basic hand tools
Prepare Drill
Work Location
4.
Move the drill to a location with:
• room to unfold it,
• access to tractor or hydraulic power,
• adequate illumination, and;
• clear surface beneath for recovery of any falling
or dropped parts - if the surface is not clear, have
a tarp or drop cloth available.
5.
Fully unfold drill. Completely lower drill and openers.
6.
Shut off tractor or hydraulic source.
Figure 2
Serial Number Plate
17160