NORTHSTAR MANUAL7• Extinguish all smoking materials.• Turn off engines, all electrical equipment, radios, stoves and otherappliances.• Remove all passengers.• Keep the fill nozzle in contact with the tank and wipe up any spilledfuel.• Check the bilges for fuel vapors before starting the engine.• Do the "sniff test". Sniff around to make sure there is no odor ofgasoline anywhere in the boat.• Do not start the engine until all traces of fuel vapors are eliminated.Fuel ManagementPractice the "One-Third Rule" by using:• One-third of the fuel going out• One-third to get back and• One-third in reserve4.3. LPG-GAS SYSTEMPlease see your boat’s Specific Information Booklet.If your boat’s galley is equipped with a gas burner, following instructionshave to be respected.• Close GAS (LPG) supply-line valves and cylinder valves, whenappliances are not in use. Close valves before changing cylinderand immediately in an emergency.• Be sure that appliance valves are closed before opening thecylinder valve.• Test the LPG system for leakage regularly. Check all connectionsfor leakage by-manual leak testing, or-testing with soapy water or detergent solution (with appliance-burnervalves closed and cylinder and system valves open).If leakage is present, close the cylinder valve and have the systemrepaired before further use. System repairs should be made by acompetent person.Do not use solutions containing ammonia.Never use flame to check for leaks.• Fuel-burning open flame appliances consume cabin oxygen andrelease products of combustion into the craft. Ventilation isrequired when appliances are in use. Open designated ventopenings while appliances are in use. Do not use the stove oroven for space heating. Never obstruct ventilation openings(Please see your boat’s Specific Information Booklet.).• Do not obstruct access to LPG system components in any way.• Keep valves on empty cylinders closed and disconnected. Keepprotective covers, caps or plugs in place. Store reserve cylinders in