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7.2 Installation of the FRP Retraction Tank
Fasten the hull unit to the retraction (after installing the retraction tank) as follows.
1. Clean the surface of the tank flange. Coat the flange with about 1 mm thickness of sealant
(Three Bond 1101, supplied).
Note: Use only the sealant supplied.
100 mm
2 mm
1 mm
FRP Tank
Sealant
Figure 7-1 Coating the tank flange with sealant (supplied)
2. Lay the waterproofing gasket on the tank flange and coat the gasket with about 1 mm thick-
ness of sealant.
Waterproofing
gasket
Sealant
Figure 7-2 Laying the waterproofing gasket on the tank flange
3. Orient the bow mark (arrow) on the hull unit flange toward ship’s bow. (If the mark cannot
be perfectly oriented toward ship’s bow adjust heading after installation as shown in the
next chapter.)
Hull unit flange
Ship's
bow
Figure 7-3 Orienting hull unit flange toward ship’s bow
4. For the 1200 mm stroke hull unit, insert insulation gaskets in each of the 11 holes for stud
bolts on the tank flange. (Do this before setting the hull unit to the retraction tank.)
Insulation
gasket
Figure 7-4 Inserting insulation
gasket in tank flange
Содержание CSH-53
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