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AutoFarm GPS AutoSteer Hardware Installation Manual

Supported models: john deere sprayer 4920
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AutoFarm GPS AutoSteer
Hardware Installation Guide
Supported Models: John Deere Sprayer 4920
PN: 602-0042-01-A

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Summary of Contents for AutoFarm GPS AutoSteer

  • Page 1 AutoFarm GPS AutoSteer Hardware Installation Guide Supported Models: John Deere Sprayer 4920 PN: 602-0042-01-A...

  • Page 2: Special Requirements

    • 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 Documentation@gpsfarm.com with: •...

  • Page 3: Table Of Contents

    Install the AutoFarm Steering Valve ........18...
  • Page 4 Install the SA Module Cable Harness ........30 Attach the Cable to the SA Module .

  • Page 5: Installation Overview

    1. Installation Overview 1.1 Installation Kit Overview The John Deer Sprayer AutoSteer Kit contains the components shown below. (Note: Component size is not shown to scale.)

  • Page 6: Installation Kit Components

    1.2 Installation Kit Components Item Component Number 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 Roof Module bolts...

  • Page 7: Install Roof Module

    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.

  • Page 8: Mount The Roof Module

    Align the mounting rail to mounting holes and fasten the mounting rail to the roof using the longer bolts and spare washers provided in the installation kit. The lettered holes and the dummy cable connector must be on the left side of the tractor. left side of tractor 2.3 Mount the Roof Module...
  • Page 9 Make sure that the spring lock is in place. locked position 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...
  • Page 10 Attach the radio modem antenna. Note: The antenna should be attached “hand tight.” Do not use any tools to tighten the antenna. Apply a small amount of silicone grease to the o-ring seal on the antenna before mounting on the roof module.

  • Page 11: Install The Wheel Angle Sensor (Was)

    3. Install the Wheel Angle Sensor (WAS) 3.1 Wheel Angle Sensor Overview The Wheel Angle Sensor is shown in the diagram below. cable connector sensor sensor bracket linkage arm bracket linkage arms...

  • Page 12: Mount Linkage Arm And Sensor Brackets

    3.2 Mount Linkage Arm and Sensor Brackets Mount the linkage bracket to the end of the cylinder rod using the existing bolt. Mount the wheel angle sensor bracket to the streering cylinder using the U-Bolt. sensor bracket linkage arm bracket (side view) (side view) sensor...

  • Page 13: Mount The Sensor

    3.3 Mount the Sensor sensor 3.4 Mount the Sensor and Connect the Linkage Arms linkage linkage bracket bracket arms sensor bracket 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 tractor all the way right and left to make sure the linkage arms can move without interference.

  • Page 14: Install The User Terminal

    4. Install the User Terminal 4.1 Assemble and Mount the User Terminal Bracket Remove plastic hole covers from the cab post. mounting bracket location Mount the bracket assembly.

  • Page 15: Mount And Adjust The User Terminal

    4.2 Mount and Adjust the User Terminal Attach the mounting plate on the adjustable arm to the user terminal using four screws. mounting plate Remove the travel stop on the bracket assembly.
  • Page 16 Slide the user terminal arm on to the bracket. Replace the travel stop.
  • Page 17 Tighten the arm on to the bracket using an Allen key wrench supplied in the installation kit. Remove adjustment bolt caps.
  • Page 18 Adjust user terminal arm tightness so the arms can be easily turned during normal tractor operation. Replace adjustment bolt caps and adjust user terminal viewing angle. Turn the lever to loosen before adjusting the angle.
  • Page 19 The complete User Terminal installation is shown in the figure below.

  • Page 20: Install The Sa Module

    5. Install the SA Module 5.1 Mount the SA Module Bracket Mount the SA module bracket in a protected position on the Sprayer. SA module bracket 5.2 Mount the SA Module to the Bracket Mount the SA Module to the bracket.
  • Page 21 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.

  • Page 22: Assemble And Mount The Hydraulic Valve

    6. Assemble and Mount the Hydraulic Valve 6.1 Install the AutoFarm Steering Valve The valve will be mounted under the left side of the Sprayer frame. Locate the two mounting holes shown below. mounting holes Mount the valve bracket over the two mounting holes using the two bolts and nuts as shown below. Secure the valve onto the bracket using the three long bolts supplied with the valve.
  • Page 23 Connect the Steering hoses to the valve. (Different installation shown below.). Hydraulic valve...

  • Page 24: Install The Hydraulic Hoses

    7. Install the Hydraulic Hoses 7.1 Assemble the Hydraulic Hoses Assemble hoses as shown (Hose length is not shown to scale below.) pressure port pressure line on valve return port on return line valve (T) load sense port load sense line on valve (LS) connect to steer right/left...

  • Page 25: Autofarm Steering Valve

    7.3 AutoFarm Steering Valve The valve is shown in the figure below. steer out right steer out left steer in right steer in left return load sense pressure 7.4 AutoSteer High Flow Valve Port Connections Hydraulic Hose Valve Port Label...

  • Page 26: Connect The Hydraulic Hoses

    7.5 Connect the Hydraulic Hoses Locate the Sprayer steering unit under the front of the cab as shown in the photo below. This is where all the AutoFarm hoses will be connected. You must access the hose fittings shown to install the AutoFarm system.

  • Page 27: Steering Hose Installation

    2. Remove the return hose to the Sprayer steering unit and install a “tee” adapter. Reinstall the hose on the end of the “tee” and connect the AutoFarm return hose to the side of the “tee.” Connect the other end of the AutoFarm return hose to the return port on the AutoFarm valve.

  • Page 28: Attach The Pressure Transducer

    7.7 Attach the Pressure Transducer Attach the 90 degree fitting to the port marked “trans” on the AutoSteer valve. Note: Use teflon tape to ensure a good seal. Attach the pressure transducer to the 90 degree fitting. Note: Use teflon tape to ensure a good seal.
  • Page 29 Attach the cable connector from the valve harness to the pressure transducer. pressure transducer cable connector make sure to line up the connectors correctly. do not force the connection.
  • Page 30 Connect the Steering hoses to the valve. (Different installation shown below.) Hydraulic valve...

  • Page 31: Install The Main Cable Harness

    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 the Cab...

  • Page 32: Attach The Main Cable Harness To The Roof Module

    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. Attach the cable to the roof module.
  • Page 33 Secure the cable to the roof using the eye clamp. Route the cable down the left side of the cab and secure with cable ties. cable ties...

  • Page 34: Install The Sa Module Cable Harness

    9. Install the SA Module Cable Harness 9.1 Attach the Cable to the SA Module Connect the cable to the SA Module. (Different vehicle shown below.) bottom of SA module cable connector locking mechanism in open position Close the cable connector locking mechanism. locked position...

  • Page 35: Connect The Sa Module Harness To The Hydraulic Valve

    Note: To disconnect the cable from the SA module, the connector must first be unlocked as shown. pull upwards pinch here 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. two connectors...

  • Page 36: Connect The Sa Module Harness To The Wheel Angle Sensor

    9.3 Connect the SA Module Harness to the Wheel Angle Sensor Route and secure the WAS cable from the SA Module beneath the cab to the WAS. The two connectors on the main must exit under that cab to connect to the SAM Module cable. Attach the cable to the WAS. 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.

  • Page 37: Final Checklist

    10. Final Checklist Check all hose connections. Check all cable connections. Power up the vehicle and check for hydraulic leaks. Check manual steering. Power up the AutoSteer system and begin the calibration and tuning process.

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