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AutoFarm GPS AutoSteer
Hardware Installation Guide
PN: 602-0026-01-A
Supported Models:
Case STX-375 Wheeled or QuadTrack
Case STX-425 Wheeled or QuadTrack
Case STX-450 Wheeled or QuadTrack
Case STX-500 Wheeled or QuadTrack
Special Requirements
Tools
This list consists of special tools required to complete the installation. A complete set of common installation tools is assumed. If you find that you are using special tools, please notify [email protected].
• Metric open wrenches
• Metric socket wrenches up to 24mm
• Soft brush
• Clean rags
• Oil collection pan (for collecting oil when hose connections are opened)
Attention
Tighten all screws, bolts, nuts, hose connections and cable connections after the final assembly of the AutoFarm
Steering System on the vehicle.
Technician Feedback
Please contact Novariant via email to [email protected] with:
• outdated pictures or instructions
• tips for other installers
• general comments or suggestions ii
Table of Contents
Mount the Sensor and Connect the Linkage Arms . . . . . . . . . . . . . . . . . . . . . . . . . 9
Assemble and Mount the User Terminal Bracket. . . . . . . . . . . . . . . . . . . . . . . . . 10
Attach the Main Cable Harness to the User Terminal . . . . . . . . . . . . . . . . . . . . . 28
Attach the Cable to the Power Supply in Cab . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Attach the Main Cable Harness to the Roof Module . . . . . . . . . . . . . . . . . . . . . . 29
iii
Connect the SA Module Harness to the Hydraulic Valve . . . . . . . . . . . . . . . . . . 32
Connect the SA Module Harness to the Wheel Angle Sensor . . . . . . . . . . . . . . . 33
Attach SA Module Cable Harness to Main Cable Harness . . . . . . . . . . . . . . . . . 34
iv
1. Installation Overview
1.1 Installation Kit Overview
The Case STX Tractor AutoSteer Kit contains the components shown below. (Note: Component size is not shown to scale.)
1
1.2 Installation Kit Components
Item Component
7
8
5
6
3
4
1
2
9
10
11
12
Valve bracket
Hydraulic valve
Mounting hardware
Wheel Angle Sensor (WAS) unit
Hose kit
User Terminal Monitor bracket
Installation Guide
SA Module
Main harness
SAM harness
Roof bracket
SA Module bracket
2
2. Install Roof Module
2.1 Safety Notes
The AutoFarm system must be powered OFF when installing or removing the roof module.
The supplied locking pin or a padlock must be in place whenever the vehicle is in operation.
The roof module must be removed when transporting the vehicle at speeds above 30 m.p.h.
Make sure that you are in a stable position on the tractor platform when removing the roof module, so that you do not fall or drop the roof module.
2.2 Install the Mounting Rail
Remove the two rear cab roof bolts and use them to secure the AutoFarm mounting rail.
bolts mounting rail cab roof
3
Align the mounting rail to mounting holes and fasten the mounting rail to the roof. The lettered holes and the dummy cable connector must be on the left side of the tractor.
right side of tractor dummy connector left side of tractor
4
2.3 Mount the Roof Module
Slide the roof module into locked position. The cable connection must be on the left side of the tractor, facing the rear.
roof module
Make sure that the spring lock is in place.
locked position
5
Insert and close the locking pin through the holes in the roof module and the mounting rail. Note that a padlock can replace the locking pin.
locking pin
Attach the radio modem antenna. Note: The antenna should be attached “hand tight.” Do not use any tools to tighten the antenna. (Different tractor shown below.)
6
3. Install the Wheel Angle Sensor (WAS)
3.1 Wheel Angle Sensor Overview
The Wheel Angle Sensor is shown in the diagram below.
linkage arms sensor sensor bracket linkage arm bracket
7
3.2 Mount Tie Rod and Sensor Brackets
Secure the sensor bracket to the tractor frame in the position shown below. Brackets shipped after July, 2005 use only two bolts.
sensor bracket
3.3 Mount the Sensor
Secure the sensor to the bracket with the two bolts provided.
sensor
8
3.4 Mount the Sensor and Connect the Linkage Arms
Mount the linkage bracket in the position shown below. Secure the bracket with a second bolt.
sensor bracket linkage bracket
Secure with this bolt. Drill a hole on the tractor bracket and secure with a second bolt.
3.5 Adjust the Sensor and Linkage Arms
Adjust linkage arm length and/or linkage bracket position to obtain between 3200 and 3800 counts. Turn the wheels all the way in both directions to make sure the linkage arms can move without interference. Note:
This step is done during the calibration and tuning steps.
9
4. Install the User Terminal
4.1 Assemble and Mount the User Terminal Bracket
Mount the bracket assembly as shown in the photos below. Use the longer bolts and spacer bushings supplied in the installation kit. Secure to two threads on the right side of the cab post
10
Mount the monitor bracket assembly. Mount the slider plate as shown in the photo below. The height of this bracket can be adjusted to the desired monitor height.
11
4.2 Mount and Adjust the User Terminal
Attach the adjustable arm to the user terminal.
mounting plate
Remove the travel stop on the bracket assembly.
12
Slide the user terminal arm onto the cab bracket.
Replace the travel stop.
13
Tighten the arm onto the bracket. (Different cab shown.)
Remove adjustment bolt caps.
14
Adjust user terminal arm tightness.
Replace the adjustment bolt caps and adjust the user terminal viewing angle. (Different cab shown.)
15
The complete user terminal installation is shown in the photo below. Adjust the monitor height by moving the bracket up or down.
16
5. Assemble and Mount the Hydraulic Valve
5.1 Install the Hydraulic Valve
Fasten the bracket into place.Install the valve under the engine hood in position as shown below. Secure the bracket using the four existing bolts on the tractor.
mounting bolts
Mount the hydraulic valve on the bracket. Secure it with the three long bolts provided.
Hydraulic valve bracket
17
You may also install the SA Module bracket under the valve bracket as shown in the photo below. Secure the SA Module bracket using one of the three long bolts that secure the valve. The SA Module bracket can also be mounted in other positions on the tractor.
18
6. Install the Hydraulic Hoses
6.1 Assemble the Hydraulic Hoses
Assemble hoses as shown (Hose length is not shown to scale below.)
valve pressure port (P) valve return port (T) valve load sense port (LS)
“steer in” left
“steer in” right
1/4 NPT elbow for pressure transducer extra elbow pressure line on tractor steering unit return line on tractor steering unit teflon tape for NPT threads extra elbow load sense line on steering unit left steer on tractor steering unit right steer on tractor steering unit
6.2 Route the Hydraulic Hoses
Note: Secure the hoses with cable ties and be sure they are clear of moving parts and heat sources.
19
6.3 AutoFarm Steering Valve
The valve is shown in the figure below.
steer out left steer in left return
6.4 AutoSteer Valve Port Connections
Hydraulic Hose
Steer In (Right)
Steer In (Left)
Steer Out (Right)
Steer Out (Left)
Pressure
Return
Load Sense
Pressure Transducer
Valve Port Label
SR
L
P
SL
R
T
LS
Trans
20 steer out right steer in right load sense pressure
6.5 Connect the Hydraulic Hoses
The AutoFarm installation uses two existing hoses to connect the AutoFarm valve to the steering cylinders.
Two short hoses in the installation kit connect the tractor steering unit to the AutoFarm valve. Follow the procedure below.
hose #3 hose #1 hose #2 hose #4
1. Remove hose #1 from the tractor steering unit and connect to the left “steer out” port on the AutoFarm valve.
2. Remove hose #2 from the tractor steering unit and connect to the right “steer out” port on AutoFarm valve.
3. Connect the AutoFarm left “steer in” hose #3 to the tractor steering unit where hose #1 was removed.
4. Connect the AutoFarm right “steer in” hose #4 to the tractor steering unit where hose #2 was removed.
21
Attach steer IN/OUT hoses to the hydraulic valve. (Top down view shown below.)
right hose from steering unit right steering cylinder left hose from steering unit connect to tractor left steering cylinder
22
6.6 Connect the Oil Supply Hoses
Identify the three oil supply ports on the AutoFarm valve as shown in the photo below.
load sense pressure return
23
Connect hoses to steering unit.
1. Install a “tee” adapter on the tank, pressure, and load sense ports on the tractor steering unit in the positions shown above.
2. Connect the three original tractor hoses to the bottom on each “tee.”
3. Connect the AutoFarm Return hose between the side of the tank “tee” and the tank port on the
AutoFarm valve.
4. Connect the AutoFarm Pressure hose between the side of the pressure “tee” and the pressure port on the
AutoFarm valve.
5. Connect the AutoFarm Load Sense hose between the side of the load sense “tee” and the load sense port on the AutoFarm valve.
24
6.7 Installing Optional Orifice to Load Sense
If the steering is very slow or does not turn the wheels in AutoSteer mode, you must install an orifice as shown below. The orifice is provided in the hose installation kit shipped after August, 2005. Install the orifice between the load sense tee and the load sense port on the steering unit.
install the orifice here
Install the orifice in the position shown below.
load sense port on tractor steering unit orifice load sense tee
25
7. Install the SA Module
7.1 Mount the SA Module Bracket
Mount the SA module bracket beneath valve bracket or in any other protected position on the tractor.
SA module bracket
7.2 Mount the SA Module to the Bracket
It is essential that the SA Module is NOT mounted so that the cable connection is on the top or on the side with the cable going up.
SA module
26
AutoFarm recommends mounting the SA module in the positions shown below.
Do NOT mount the SA module in the positions shown in the figure below.
27
8. Install the Main Cable Harness
8.1 Attach the Main Cable Harness to the User Terminal
8.2 Attach the Cable to the Power Supply in Cab
28
8.3 Attach the Main Cable Harness to the Roof Module
Route the cable out of the cab through an existing rubber plug under the left side of rear window.(Different tractor shown below.)
Attach the cable to the roof module.
29
Secure the cable to the roof using the eye clamp. (Different tractor shown below.)
Route the cable down the left side of the cab and secure with cable ties. (Different tractor shown below.)
cable ties
30
9. Install the SA Module Cable Harness
9.1 Attach the Cable to the SA Module
Connect the cable to the SA Module.
bottom of SA module cable connector locking mechanism in open position
Close the cable connector locking mechanism.
locked position
31
Note: To disconnect the cable from the SA module, the connector must first be unlocked as shown.
pinch here pull upwards
9.2 Connect the SA Module Harness to the Hydraulic Valve
Route and secure the steering cable from the SA Module to the hydraulic valve. (Different tractor shown.)
two connectors
32
9.3 Connect the SA Module Harness to the Wheel Angle Sensor
Route and secure the wheel angle sensor cable from the SA Module beneath the cab to the wheel angle sensor. Attach the cable to the connector on the wheel angle sensor.
wheel angle sensor cable connection
33
9.4 Attach SA Module Cable Harness to Main Cable Harness
Route the SA Module cable into the cab through the rubber plug under the right side of rear window.
(Different tractor shown.)
Attach the harnesses with two connectors between the SA module and the main harness inside the cab.
34
10. Final Checklist
Check all hose connections.
Check all cable connections.
Power up the vehicle and check for hydraulic leaks.
Check manual steering.
Proceed with calibration and tuning.
35
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