Furuno CH-300 Installation Manual page 60

APPENDIX 1 HOW TO MAKE THE RETRACTION TANK FOR WOODEN VESSEL
Welding the component
Before assembling the retraction tank, weld the components to create the flange assembly 1 and
2.
• Flange assembly 1
Weld the fixing pipe and four angle-1 to the flange-1. After welding, mask the thread groove of the
fixing pipe, then apply anticorrosive coating to the flange assembly 1.
8 × Ø23
Flange-1
A
Angle-1
M
60°
6
Flange-1
8
0.2 B
• Flange assembly 2
Weld four angle-2 to the flange-2.
(72)
47
(12) (35)
A-A
AP-4
4
246 246
(232) (232)
M215 × 4
C3
(Ø230)
Ø343
A-A
A A
Angle-2
A A
246
Welding area (4 locations)
Welding bead must be
within the welding area.
A
Angle-1
B
Ra 3.2
8×Ø14
Flange-2
4 4
(80)
62
(42)
Welding area (4 locations)
Welding bead must be
within the welding area.