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
Please read this supplement to the CH270 Manual first.
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
1-2 Overall installation checklist - Please return a completed copy to Furuno U.S.A.
3 Fiberglass (FRP) sonar tube installation outline drawing
4-6 High speed hull, sonar tube fairing pictures with comment
7 Tank guide assembly installation and adjustment instructions
8 Motion sensor mounting, location and longer interconnect cables
8 Soundome cover removal and oil installation reminder
9 Checking soundome when in drydock
Please feel free to contact us with any questions that you may have.Additional information such as
this may be found on our web site www.Furuno.com.
This material is provided to augment, not replace, what is found in your CH270 manuals.
CH270 Installation Check Sheet
Vessel Information CH270 System Information
Vessel Name: CH270 Model:
Type: Use: Serial Number:
Length: Registry: Shaft Travel:
Operating Speed: Hull Type: System Input Voltage:
Dealer Information
Dealer Name:
Address: City, State, Zip:
Installed By:
Date: Location:
Standard System – MU100C Display Check List
Are all cables and connections tight & strapped?
Yes No
Is NMEA data connected and activated? Yes No
What NMEA devices are connected:
Has CH252 control head installation & operation been checked?
Yes No
Is the unit grounded properly?
Yes No
OR
Black Box System – VGA Display Check List
Are all cables and connections tight & strapped?
Yes No
Does the monitor display the correct color palette?
Yes No
Are the IF8000 dip switches set correctly?
Yes No
Is NMEA data connected and activated?
Yes No
What NMEA devices are connected:
Has CH252 control head installation & operation been checked? Yes No
Is the unit grounded properly?
Yes No
CH273 Transceiver Unit Check List
Are all cables and connections tight & strapped?
Yes No
Check and note actual input voltage
Is the unit grounded properly? Yes No
Motion Sensor or Incinometer Check List
Which sensor is being used, BS704 or MS100? BS704 MS100
Where is the sensor located?
Has the sonar been programmed to look for the sensor?
Yes No
Sonar Tube Installation Check List
Was a Furuno supplied sonar tube used?
Yes No
If not, what was the ID of the sonar tube used?
What is the actual length of the sonar tube?
Where is the sonar tube mounted?
Is the sonar tube on or off the vessels centerline?
On Off
Has a sonar tube air venting system been installed?
Yes No
Has a forward sonar tube fairing been installed?
Yes No
Page 1
CH270 Installation Check Sheet - continued
CH181 or CH184 Hull Unit Check List
Check and note actual input voltage:
Are all cables and connections tight and strapped?
Yes No
Is the unit grounded properly? Yes No
Has the soundome been lowered and raised by hand?
Yes No
Have the shaft guides been adjusted for 0.5mm tolerance? Yes No
Does the shaft have a heading mark inscribed?
Yes No
Is the soundome 1/2" up, in the sonar tube when retracted? Yes No
Has epoxy been used on shaft threads?
Yes No
Has soundome packing sponge been removed? Yes No
Was oil added to the soundome? Yes No
**CAUTION - Do not lay soundome on its side once oil has been added**
Are all the soundome Phillips Head screws tight? Yes No
Have 3 layers of greased cotton packing been used?
Yes No
Is the safety clamp installed and tightened? Yes No
Accessories Check List - if applicable
Checked operation of the SC-05WR external speaker?
Yes No
Checked operation of the CH256 handheld remote control? Yes No
Sea Trial Check List
Date: Location:
Operator:
Sea conditions:
Maximum detection range for the sea-bottom:
Maximum detection range for fish targets:
Has the sonar picture been checked for alignment?
Yes No
Has the auto-retraction feature been checked? Yes No
Have the system manuals been given to the operator? Yes No
Was any hoist movement noted at maximum speed? Yes No
Operator Training
Date: Location:
Trainer:
Training provided for:
Necessary Follow-up
Required for:
When:
Warranty Card Completed and Sent to Furuno USA
Date:
Page 2