Appendix 1 How To Make The Retraction Tank For Wooden Vessel - Furuno CH-250 Installation Manual

APPENDIX 1 HOW TO MAKE THE RETRAC-
TION TANK FOR WOODEN VESSEL
These instructions show how to make the retraction tank for a wooden vessel.
Necessary components for the retraction tank
Prepare the components shown in the table below for the retraction tank. The dimensions in the
table are recommended values. Follow the recommended values as near as possible.
Name Material
PVC-U
PVC pipe
Retraction tank (conceptual drawing)
Thickness
Qty
More than 1
13 mm
AP-1
Remarks
8inch PN13.5
Inside diameter: 188.5 - 195 mm
Use the VP type.
Prepare the thread groove that is suitable for
the outside diameter.
1200
96
91
(M215x4)
C4