
8.6
SECTION 8 • REQUIRED INSPECTION, SERVICE & MAIN TE NANCE
290 Sundancer
®
• Keep under a trickle charge.
• When placing battery back into service, remove
excess grease from terminals, recharge as
necessary and reinstall in boat.
D. HEAD SYSTEM
• Flush entire system thoroughly with fresh
water.
• Pump out holding tank.
• Remove water line from inlet fi tting located
on back bottom half of water valve on head.
• Flush one gallon (four liters) antifreeze mixed
with one gallon (four liters) of water through
toilet and let vacuum pump run for one or two
minutes.
• Shut FRESH WATER PUMP breaker OFF.
• Pump out holding tank.
E. WATER SYSTEM
• Turn ON the FRESH WATER PUMP breaker.
• Open water faucet, let system drain
completely.
• Turn OFF the FRESH WATER PUMP breaker.
• Water must be removed from the water lines
with air pressure or fl ushed with a nontoxic
antifreeze.
USING PRESSURIZED AIR TO REMOVE WATER FROM
WATER LINES:
• You must have an air compressor with air hose
and air nozzle.
• Remove water hoses from water pump.
• Alternate opening one faucet at a time to make
sure water is removed from each line.
• Blow air through the water lines removed from
the water pump.
NOTE: When blowing air be careful not to blow air
with all faucets closed. System could be damaged
by over pressurization and create water leaks.
• Cover hose ends with screen or broad weave
cloth and tape in place to keep out dirt and
bugs.
USING NONTOXIC WINTERIZING ANTIFREEZE:
• Purchase a nontoxic winterizing antifreeze for
fresh water systems from a marine or RV supply
retailer.
• With all water pumped out of the system add
nontoxic antifreeze to the water tank. Pour
in enough to be pumped to all faucets and
showers.
• Close all faucets and turn on water system.
• Open one faucet at a time. Close faucet when
nontoxic antifreeze comes out of faucet.
• After all faucets and showers have been treated,
open all faucets and pump out remaining
nontoxic antifreeze.
WATER HEATER WINTERIZATION
• Refer to your water heater Owner’s Manual for
detailed information on preparing water heater
for storage and winterization.
F. FUEL SYSTEMS
GASOLINE:
• Fill fuel tank with gasoline and the recommended
amount of stabilizer and conditioner such as
“Stabil
®
”.
• Run engine(s) for ten minutes to ensure that
all gasoline in the carburetor and fuel lines are
treated.
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