GREAT PLAINS Terra Max HT1100-20 User guide

Manufacturing, Inc.
www.greatplainsmfg.com
© Copyright 2020 Printed 2020-12-22 589-930M
EN
ORIGINAL INSTRUCTIONS
Implement Command System
Manual
Terra Max
Read the operator’s manual entirely. When you see this symbol, the
subsequent instructions and warnings are serious - follow without
exception. Your life and the lives of others depend on it!
Illustrations may show optional equipment not supplied with standard unit.

ii Great Plains | 589-930M
Implement Command System
Machine Identification
Record your machine details in the log below. If you replace this manual, be sure to transfer this information to the new manual.
If you, or the dealer, have added Options not originally ordered with the machine, or removed Options that were originally
ordered, the weights and measurements are no longer accurate for your machine. Update the record by adding the machine weight
and measurements provided in the Specifications & Capacities Section of this manual with the Option(s) weight and
measurements.
Dealer Contact Information
Model Number
Serial Number
Machine Height
Machine Length
Machine Width
Machine Weight
Delivery Date
First Operation
Accessories
Name:
Street:
City/State:
Telephone:
Email:
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov
!
California Proposition 65

Important Safety Information
12/22/2020 1
Important Safety Information
Look for Safety Symbol
The SAFETY ALERT SYMBOL indicates there is a potential
hazard to personal safety involved and extra safety precaution
must be taken. When you see this symbol, be alert and
carefully read the message that follows it. In addition to design
and configuration of equipment, hazard control and accident
prevention are dependent upon the awareness, concern,
prudence and proper training of personnel involved in the
operation, transport, maintenance and storage of equipment.
Be Aware of Signal Words
Signal words designate a degree or level of hazard seriousness.
DANGER indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury. This signal
word is limited to the most extreme situations, typically for
machine components that, for functional purposes, cannot be
guarded.
WARNING indicates a potentially hazardous situation which,
if not avoided, could result in death or serious injury, and
includes hazards that are exposed when guards are removed. It
may also be used to alert against unsafe practices.
CAUTION indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate injury. It may
also be used to alert against unsafe practices.
Use Adequate Lifting Means
The frame sections and gangs of this machine are
extremely heavy. If using multiple lifters, make sure each
is rated for at least its share of the load.
Prepare for Emergencies
Be prepared if a fire starts
Keep a first aid kit and fire extinguisher handy.
Keep emergency numbers for doctor, ambulance, hospital
and fire department near phone.
Be Familiar with Safety Decals
Read and understand the “Safety Decals” section of the
Operators Manual.
Read all instructions noted on the decals.
Keep decals clean. Replace damaged, faded and illegible
decals.

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Implement Command System, Terra Max
Wear Protective Equipment
Wear protective clothing and equipment.
Wear clothing and equipment appropriate for the job.
Avoid loose-fitting clothing.
Because prolonged exposure to loud noise can cause
hearing impairment or hearing loss, wear suitable
hearing protection such as earmuffs or earplugs.
Because operating equipment safely requires your full
attention, avoid wearing entertainment headphones while
operating machinery.
Avoid High Pressure Fluids
Escaping fluid under pressure can penetrate the skin, causing
serious injury.
Avoid the hazard by relieving pressure before
disconnecting hydraulic lines.
Use a piece of paper or cardboard, NOT BODY PARTS, to
check for suspected leaks.
Wear protective gloves and safety glasses or goggles when
working with hydraulic systems.
If an accident occurs, seek immediate medical assistance
from a physician familiar with this type of injury.
Use Safety Lights and Devices
Slow-moving tractors and towed implements can create a
hazard when driven on public roads. They are difficult to see,
especially at night.
Use flashing warning lights and turn signals whenever
driving on public roads.
Use lights and devices provided with implement.
Keep Riders Off Machinery
Riders obstruct the operator’s view. Riders could be struck by
foreign objects or thrown from the machine.
Never allow children to operate equipment.
Keep all bystanders away from machine during operation.
Shutdown and Storage
Lower implement, put tractor in park, turn off engine, and
remove the key.
Secure Hydraulic Reel Attachment using blocks and
supports provided.
Detach and store Hydraulic Reel Attachment in an area
where children normally do not play.

Important Safety Information
12/22/2020 3
Tire Safety
Tire changing can be dangerous and should be performed by
trained personnel using correct tools and equipment.
When inflating tires, use a clip-on chuck and extension
hose long enough for you to stand to one side–not in front
of or over tire assembly. Use a safety cage if available.
When removing and installing wheels, use wheel-handling
equipment adequate for weight involved.
Safety At All Times
Thoroughly read and understand the instructions in this
manual before operation. Read all instructions noted on the
safety decals.
Be familiar with all machine functions.
Operate machinery from the driver’s seat only.
Do not leave machine unattended with tractor engine
running.
Do not stand between the tractor and machine during
hitching.
Keep hands, feet and clothing away from power-driven
parts.
Wear snug-fitting clothing to avoid entanglement with
moving parts.
Watch out for wires, trees, etc., when folding and raising
machine. Make sure all persons are clear of working area.

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Implement Command System, Terra Max
Introduction
The Implement Command System has been designed with care
and built by skilled workers using quality materials. Proper
setup, maintenance, and safe operating practices will help the
customer get years of satisfactory use from this system.
Description of Unit
The new Implement Command system now gives Terra Max
owners access to more data and technology. The Implement
Command System gives producers the data needed to make
decisions about their fields, while making real-time
adjustments to improve yields and soil health. Available on
20'-40’ Terra Max models, the Implement Command
System (ICS) allows you to take command of all your
adjustment and monitoring needs right at your fingertips. Set,
adjust, and monitor your Terra Max right on your ISO-
compatible monitor in your tractor cab.
Using This Manual
This manual will familiarize you with
safety, assembly, operation,
adjustments, troubleshooting, and
maintenance. Read this manual and
follow the recommendations to help
ensure safe and efficient operation.
The information in this manual is current at printing. Some
parts may change to assure top performance.
Definitions
The following terms are used throughout this manual.
A crucial point of information related to the preceding topic.
Read and follow the directions to remain safe, avoid serious
damage to equipment and ensure desired field results.
Useful information related to the preceding topic.
Further Assistance
Great Plains Manufacturing, Inc. wants you to be satisfied
with your new Terra Max. If for any reason you do not
understand any part of this manual or are otherwise dissatisfies
with the product please contact:
Great Plains Service Department
1525 E. North St.
PO Box 5060
Salina, KS 67402-5060
Or go to www.greatplainsag.com and follow the contact
information at the bottom of your screen for our service
department.
Figure 1
Implement Command System
TP-69747

Assembly
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Assembly
Implement Command System
Refer to Figure 2
The Controller Assembly will be shipped in a container, with
the installation hardware and will need installed on the top of
the brace bar, on the left hand side of the center brace bar.
Implement Command Wiring Harness
The wiring may need to be routed and installed on the frame of
the machine. The wiring harness is labeled near each of the
connectors to indicate which sensor or solenoid it is to be
plugged into. See “Wiring Connections Layout” on page 20.
Refer to Figure 3 & 4
Plug-in the hitch harness into the tractor and the other end into
the ICS Control Box located on the front of the left hand side
of the machine. Be sure the ICS box orientation is correct, the
openings for the plugs will be facing the inside of the machine
as shown in the parts manual.
The frame harness will plug into the ICS Control box and then
run to the other connections on the rest of the machine. It will
run under the frame tube and over to the valves.
Figure 2
ICS Controller Assembly
TP-69568
Figure 3
ICS Hitch Harness
TP-69555
Figure 4
ICS Hitch Harness
TP-69556

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Implement Command System, Terra Max
Refer to Figure 5 & 6
The cylinder that is located on the hitch will be connected to
the FAS1wire on the harness. The harness will run under the
cylinder, thru the “ears” that connect to the H-bracket and
towards the center frame.
Refer to Figure 7
The gang angle is located on the right hand side of the front
brace bar, the wiring harness is labeled as GAS this will route
along the rear of the tube and be connected using p-clamps to
the bolts that are welded to the frame.
You may have to install the sensor on to the gauge bracket, use
the #10 x 214 bolts and hardware to install as shown.
Install the sensor in orientation shown and the small white
dot must be positioned toward the angle gauge when it is
installed on to the bracket. If not the sensor will not
function correctly and may cause dame to the machine.
Figure 5
Hitch Cylinder
TP-69547
Figure 6
Hitch Wiring
TP-69553
Figure 7
Gang Angle
TP-69548
TP-69779

Assembly
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Refer to Figure 8
The Down Pressure Valve (1) (for the finisher down pressure) is plugged into Finisher DPT1, Finisher DPT3, Finisher and DPC1,
on the frame harness. The Down Pressure Valve (2) (for the wing down pressure) is plugged into DPT1, DPT3, and DPC1, on the
frame harness. The Depth Control Valve (3) is attached to DCC1 and DCC2 harness plugs. After being attached to the Down
Pressure (1 & 2) and Depth Control Valve (3) the hydraulic hoses and the wiring harness will be routed along the left side brace
bar and to the left side of the torque tube, See Wiring Connections Layout for routing. Be sure to keep any excess wiring away
from pinch points. Use hose wrap or zip ties if needed. Wiring harness will be labeled with connection names, match the labels on
the valves with the labels on the harness.
TP-69739
TP-69784
Figure 8
Down Pressure & Depth Control Valves
TP-69743
TP-69798
3
1
2
3
1
2
HT1100-40 HT1100-40

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Implement Command System, Terra Max
Refer to Figure 9
The Splitter Valve is attached on the right hand side of the center
brace bar. The Splitter valve is attached to SVC1 and SVC2 on
the center frame harness.
Refer to Figure 10
If the machine does not have proximity sensors then there will
be jumper plugs that must be in place on those harness
connections. These will come installed in the harness, but
please note that they must be in place. This may be a trouble
shooting point if you have issues in the future.
If your machine has proximity sensors (installed on Models
HT1100-30 & HT1100-40) then the harness will route out along
the center frame following the hydraulic hose route, using zip
ties or p-clamps to secure it to the hydraulic hoses and connect
to the sensors. These plugs are labeled as ProxLH and ProxRH.
Be sure to run them out to the correct wings. If not already
installed, the proximity sensors may need to be installed into the
brackets on the wing hinges. See parts manual for proper
adjustment.
Figure 9
Splitter Valve
TP-69557
Figure 10
Wing Wiring Route
TP-69559