Furuno DS-80, Installation Manual

Page: 17 / 84

11
1. Unfasten M16 nut (3) and spring washer (11) from the assembled gate valve to remove the
five items shown below.
•
Gate valve (20)
•
Spacer (3)
•
Gasket 1(18)
•
Gasket 2(18)
•
Shaft assy.
2. Set the spacer (3) to the mounting location.
The “FORE-AFT” line on the spacer must be
parallel with the ship’s fore and aft line (within
1
゜
). For horizontal direction, the bottom of the
spacer must be parallel with the ship’s draft.
Note: Handle the top side of the spacer (3) carefully to preserve the waterproof effect.
3. Weld the spacer (3) to the ship’s hull. The welding and doubling methods are left up to the
shipyard.
4. Apply Kinoruster (supplied) to both sides of the gasket1 (18), and put it on the spacer (3).
5. Apply Kinoruster (supplied) to the hollow side of the spacer (3).
6. Clean the top and bottom of the gate valve (20), and put it on the gasket1 (18) set on the
spacer (3).
7. Fasten M16 nut (10) and M16 spring washer (11) loosely to the stud bolt of the spacer (3).
8. Paint the gate valve (20) and the spacer (3) the same color as ship’s body. Paint only
gray-colored areas; for other part, seal with a masking tape. Remove the tape when the
paint dries.
Gate valve (20)
M16 Nut (10)
M16 Spring washer (11)
Gasket1 (18)
(Apply Kinoruster to both sides.)
Spacer (3)
Apply Kinoruster to the hollow side.
9. Unfasten two sets of hex. bolt (13) and M8 spring washer (14) from the top side of the shaft
to remove the fixing plate (21).
10. Remove the gland (19), gasket (7) and washer (8)(2 pcs.) from the shaft.
11. Remove Jubilee clip located at the base of the transducer (1) cable and M4 flat-head Phillips
screw at the top side of the transducer (1).
Shaft assy.
Gasket2 (18)
Gate valve (20)
Gasket1 (18)
Spacer (3)