Gate Valve (Option) Gv-50B, Gv-200B-8B - Furuno FE-700 Installation Manual

1.8 Gate Valve (option) GV-50B-6B, GV-200B-8B
Assemble the Gate Valve as shown below. Refer to the drawing at the end of this manual.
1. Disassemble the gate valve assembled tentatively: spacer, gasket1, gate valve, gasket 2,
O-ring (P170), seachest cap and shaft assembly.
When assembling the gate valve, use original washers, bolts and nuts. Keep the bottom of
the seachest cap and the shaft free of dust and be careful not to damage them.
GATE VALVE
WASHER
NUT
SPACER
2. Weld the spacer to the hull bottom.
The hull side of the spacer should be flush with the hull bottom. Be careful not to damage
the side fixed to the gate valve.
3. Clean the side of the spacer to be fixed to the gate valve.
4. Grease (supplied) both sides of the gasket 1 and the inner side of the spacer. Place the
gasket 1 onto the spacer.
5. Clean the flange side of the gate valve, and place it on the gasket 1. The scale side of the
gate valve should be up.
6. Fix stud bolts with washers and bolts loosely.
7. Keep seachest cap and shaft assembly free of dirt and dust.
SCALE
BOLT
SEACHEST CAP
NUT
WASHER
GASKET1
9
SHAFT
1
O-RING
(P135)
O-RING
(P170)
GASKET2