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1. HOW TO INSTALL THE SYSTEM
1-17
4. Set the hull unit on the top of the retraction tank, observing the following cautions:
• Clean the flange platform.
• Wipe the undersurface of the hull unit flange with clean waste cloths.
• Confirm that the waterproofing gasket is properly in place.
5. Coat threads of the bolts with a slight amount of lithium grease to prevent scorch-
ing. Insert the bolts with washers from the retraction tank flange, and then put the
flat washers and spring washers in this order from above. Fasten bolts with nuts.
Bolt
hole
Hex. nut
Spring washer
Flat washer
Hex. bolt
HULL UNIT FLANGE
TANK FLANGE
Flat washer
Waterproofing gasket