Furuno CH-300 Installation Manual page 61

APPENDIX 2 HOW TO MAKE THE RETRACTION TANK FOR WOODEN VESSEL
How to assemble the retraction tank
To assemble the retraction tank, prepare the installation materials shown in the table below.
Name
Hex. bolt
Hex. nut
Spring washer
Flat washer
1. Fix four fixing plates to the flange assembly 1.
Fixing plate Fixing plate
Flange assembly 1 Flange assembly 1
2. Fix the flange assembly 2 to the component assembled at step 1.
Tighten the bolts temporarily to allow for fine adjustment later.
Flange assembly 2 Flange assembly 2
Material
SUS304 M12×20 -25
SUS304 M12×25 or more
SUS304 M12
SUS304 M12
SUS304 M12
Type
Qty
8
8
8
16
24
Detailed view
Hex. weld nut Hex. weld nut
Angle-1
*: Length of bolt should be such that bolt does
not interfere with other bolts when tightened.
Detailed view
Insert the hex. bolt from the inside (angle-2 Insert the hex. bolt from the inside (angle-2
side), then tighten the hex. nut from the outside. side), then tighten the hex. nut from the outside.
Angle-2
Flat washer
Hex. bolt
M12×25 or more
Spring washer Spring washer
Hex. bolt *
M12×20 - 25
Flat washer
Fixing plate
Fixing plate
Spring washer Spring washer
Hex. nut Hex. nut
Flat washer
AP-5