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OPERATION MANUAL
Operation
·
Dockside checkout
·
Sea trials
·
Maintenance & Troubleshooting
·
Specifications
·
MANUFACTURED AND SOLD DIRECT BY
CPT AUTOPILOT INC.
7960 B Soquel Drive, #114, Aptos, CA 95003 USA
www.cptautopilot.com
email:
info@cptautopilot.com

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Summary of Contents for CPT AUTOPILOT Wheel Pilot

  • Page 1 OPERATION MANUAL Operation · Dockside checkout · Sea trials · Maintenance & Troubleshooting · Specifications · MANUFACTURED AND SOLD DIRECT BY CPT AUTOPILOT INC. 7960 B Soquel Drive, #114, Aptos, CA 95003 USA www.cptautopilot.com email: info@cptautopilot.com...
  • Page 2 OPERATION OF THE CPT AUTOPILOT The CPT is an extra crew member to man the wheel, day or night, rain or shine. It is amazing to take your hands off the wheel and experience the freedom the CPT provides. WARNING!
  • Page 3 CPT Operation Turn power on with Rudder control. Wait at least 1 minute for pilot to warm up before using. To Steer with Autopilot: Hold boat on desired heading 30 seconds. Engage Clutch. Flip toggle-switch up to Hold Heading. Fine tune Rudder and Deadband as needed. To Hand steer: Flip toggle-switch down to Standby and Disengage Clutch * In an emergency, the wheel can be forced to overpower the clutch and shear the shear-pins...
  • Page 4: Table Of Contents

    Shear Pin Clearance Adjustment and Clutch Maintenance....................16 Connector Maintenance................................16 Connector Maintenance................................17 Wheel Pulley ....................................17 Factory Service................................... 17 Troubleshooting .....................................17 TECHNICAL SPECIFICATIONS ..............................21 LIMITED WARRANTY..................................21 © 2018 CPT AUTOPILOT INC. VERSION 22 PAGE 3 OF 21...
  • Page 5: Overview Of Autopilot Operation

    OVERVIEW OF AUTOPILOT OPERATION The rudder control and deadband control must be set properly for the CPT to hold heading. Tack angles are approximate and will vary from boat to boat based on the magnetic environment and deadband setting, you will have to see which angle works best for your boat.
  • Page 6: 1° And 10° Buttons

    60°-120°. Turn the deadband dial to the desired tack angle. Hold the 10° Port and 10° Starboard buttons down simultaneously for two seconds then release them. Remember to return the deadband dial to desired deadband setting afterwards. © 2018 CPT AUTOPILOT INC. VERSION 22 PAGE 5 OF 21...
  • Page 7: Rudder Control

    Rudder Control The Rudder control turns the autopilot on, and determines how far the boat’s wheel (and rudder) turns when a heading correction is needed; the response is the same for both port and starboard corrections and will not work well with play in the steering system. Low settings result in smaller wheel corrections, higher settings in larger wheel corrections.
  • Page 8: Deadband Control

    2. Turn the pilot on while holding the three buttons down. 3. Release the buttons after five seconds. 4. If successful, the LED on the control box will blink red eight times. © 2018 CPT AUTOPILOT INC. VERSION 22 PAGE 7 OF 21...
  • Page 9: Setting The Magnetic Reference

    Setting the Magnetic Reference Setting the magnetic reference aligns the autopilot compass to the local magnetic inclination (dip angle). The autopilot comes from the factory set for the magnetic field inclination in California. If you are located significantly farther north or south, the magnetic reference should be set again on location.
  • Page 10: Calibrating The Autopilot Compass Magnetic Sensors

    The autopilot will then return to normal operation (the light will be red or green, depending on the position of the Hold Heading toggle switch). 13. The compass is now calibrated. Next, perform the magnetic reference procedure. © 2018 CPT AUTOPILOT INC. VERSION 22 PAGE 9 OF 21...
  • Page 11: Sail Trim

    SAIL TRIM Even the best autopilot can be crippled by poor boat trim, and the rudder and deadband settings effect how accurately the boat holds the heading. The boat must be balanced on all points of sail and in all wind conditions for proper CPT operation. This means that through the skipper's selection of sails, trim and heading, the boat should tend to maintain a stable course without a significant amount of weather or lee helm.
  • Page 12: Reaching

    THE MAIN SHEET MUST BE EASED! If the boat still wants to head up at every gust, put a twist in the main, reef it, or drop it. Always rig a preventer to the boom when running or reaching in case of an accidental jibe. © 2018 CPT AUTOPILOT INC. VERSION 22 PAGE 11 OF 21...
  • Page 13: Appendix

    APPENDIX Dockside Checkout The CPT is run for 24 hours at the factory before final testing, and the motor rotation direction has been preset for your type of installation. It should steer your boat easily and require not more than an hour or so of experimentation to become familiar with it.
  • Page 14: Keeping Watch

    Rudder setting. The wheel will not turn enough to keep heading, and the boat may gradually fall-off. Increase the Rudder setting until the boat responds to both port and starboard heading changes with only one or two corrections or pulses. © 2018 CPT AUTOPILOT INC. VERSION 22 PAGE 13 OF 21...
  • Page 15 * Rudder control too high: If the CPT steers too far to port and then too far to starboard, lower the Rudder setting. If the wheel turns too far when the CPT makes corrections, the boat will over-steer; lower Rudder just enough to prevent over steering. Set the rudder control as high as possible, but not so high that it over steers.
  • Page 16: Maintenance And Adjustments

    Reach and straighten them with long-nosed pliers or a small vise grip first. · Remove pulley cap. · Remove stainless steel retaining clip from its groove at the end of the shaft. © 2018 CPT AUTOPILOT INC. VERSION 22 PAGE 15 OF 21...
  • Page 17: Shear Pin Clearance Adjustment And Clutch Maintenance

    · Remove pulley gear. · Rinse pulley in fresh water. Work the ball inside the shaft-hole in and out. · Clean, dry and lubricate shaft. Work lubrication into the ball inside the shaft-hole. · Replace pulley, retaining clip, and pulley cap. ·...
  • Page 18: Connector Maintenance

    10-degree button: CPT motor should rotate to make a heading correction. If there is no response, try back- driving the motor briefly by turning boat’s wheel by hand; if this brings a response from the motor, it may be © 2018 CPT AUTOPILOT INC. VERSION 22...
  • Page 19 an indication of worn brushes or carbon build-up in the motor after seasonal storage. Back-driving the motor by hand may clear carbon build-up and restore brush contact. Motor turns the wheel the Wrong Direction The direction the motor rotates must be set for the wheel to turn the correct direction; it has been preset for your installation at the factory.
  • Page 20 316 stainless fasteners should be used to mount the control box. © 2018 CPT AUTOPILOT INC. VERSION 22 PAGE 19 OF 21...
  • Page 21 Poor Power Connections and Voltage Drop Just checking for 12v at the line is not adequate; voltage drop will only show while pilot motor runs and draws current. The small drive pulley may barely turn or vibrate with excessive voltage drop in power line. With the belt removed you should not be able to stop the small drive pulley with your hand.
  • Page 22: Technical Specifications

    (including warranties of merchantability and fitness for a particular purpose). The remedies available to the buyer are limited to the remedies described in the express limited warranty card. © 2018 CPT AUTOPILOT INC. VERSION 22 PAGE 21 OF 21...

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