Grady-White Boats Canyon 456, Manual, Page: 60 / 90

7-4
Chapter 7: Winterization
Getting Boat Out After Storage
Before placing your boat in the water for the boating season, have the hull bottom sanded and
reapply anti-fouling bottom paint if necessary. Leave as much equipment and personal effects as
possible off the boat until after launch and final check.
Prior To Launching
Start your own personalized list of items to check and perform prior to placing your boat in the
water. The following list will give you some ideas and suggestions:
• Check all gear and replace if necessary.
• Check thru-hull fittings for cleanliness, damage, and tightness.
• Check prop installation and tightness.
• Clean battery terminal posts with a wire brush or bronze wool. Apply a light coating of
grease or anti-corrosion product to posts.
• Check all wire connections for contact corrosion and tightness.
• Check hull seacock ball valves for easy operation and for condition of hose.
• Check operation of bilge pumps in manual and automatic modes.
• Check shower sump pump.
• Check operation of all electrical circuits.
• Check the hoses on the freshwater system, and close all valves, fill freshwater system and
check for leaks. Test marine head system.
• Perform maintenance on engines according to the manufacturer’s manuals prior to
returning them to service.
• Check safety equipment including flares, fire extinguisher and first aid kits. Replace items
as necessary.
After Launching
• With the boat in the water, check all sources of possible leaks stem to stern.
• Thoroughly check the fuel system including hoses, fittings, connections, valves, and
filters for leaks.
• Connect to shore power and check all electrical equipment operation.
• Test run engines and generator as directed in manufacturer’s manual.