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Furuno SEARCHLIGHT CH270 Important Technical Installation Information

Searchlight sonar
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Please read this supplement to the CH270 Manual first.
Important Technical
Installation Information
The following checklist and information sheets are provided to
help you efficiently install your CH270 sonar. If this is a high
speed vessel, please pay careful attention to the tube length and
fairing instructions.
CH270 Searchlight Sonar

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Summary of Contents for Furuno SEARCHLIGHT CH270

  • Page 1 Important Technical Installation Information The following checklist and information sheets are provided to help you efficiently install your CH270 sonar. If this is a high speed vessel, please pay careful attention to the tube length and fairing instructions. CH270 Searchlight Sonar...
  • Page 2 CH270 Installation Supplement Contents The following checklist and information sheets are provided to help you properly and efficiently install your CH270 sonar. If this is a high speed vessel, please pay careful attention to the tube length and fairing instructions.
  • Page 3 Has the sonar been programmed to look for the sensor? Sonar Tube Installation Check List Was a Furuno supplied sonar tube used? If not, what was the ID of the sonar tube used? What is the actual length of the sonar tube?
  • Page 4 Have the system manuals been given to the operator? Was any hoist movement noted at maximum speed? Operator Training Date: Trainer: Training provided for: Necessary Follow-up Required for: When: Warranty Card Completed and Sent to Furuno USA Date: Page 2 Location: Location:...
  • Page 6 The fairing routes (diverts) the water flow away from the tube opening, preventing it from striking the tube's rear wall. The same principles applicable for bow thruster installations are true for any sonar hull tube.
  • Page 7 Page 5...
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  • Page 9 Please confirm that the narrowest gap between the tank guides and the retraction tube wall is 0.5mm. Adjust if necessary. Page 7...
  • Page 10 This valuable accessory unit must be mounted correctly to obtain any benefit from it: a) Select a mounting location that is dry and vibration free b) The selected location should be as close to the sonar hoist unit as possible c) Mount the unit level (only compensating for normal vessel trim) d) Line the unit up "fore and aft"...
  • Page 11 The soundome cover may be cleaned with a household plastic scouring pad, such as “Scotch Brite” pads. Please feel free to call us at (360) 834-9300 or visit us on the web at www.Furuno.com if you have any additional questions.