Maintenance Schedule G424 Service Manual Maintenance 21 CHECK POINT Interval Hours Daily Every 250hrs or a month Every 500hrs or 3 months Every 1000hrs or 6 months Every 2000hrs or a year Every 1000hrs or 18 months General Maintenance Section Test fuel system for leaks Prior to any service of maintenance activity Inspect engine for fluid leaks O Check engine oil and filter O Change engine oil and filter O Inspect accessory drive belts O Inspect electrical system O Inspect all vacuum lines and fittings O Inspect all fuel fittings and hoses O Replace timing belt and counter balance shaft belt.
O Check engine compression pressure O Engine Coolant Section Check coolant level O Change coolant O Inspect coolant hoses for leaks, cracks swelling, or deterioration O Engine Ignition Section Inspect battery for case damage and corroded Cables O Inspect ignition system O Check ignition timing-adjust as necessary O Replace spark plugs O Fuel Lock-Off/Filter Section Replace LP fuel filter element O Replce gasoline fuel filter O Inspect lock-off and filter for fuel leaks O Ensure lock-off stops fuel flow when engine is off O Pressure Regulator Section Test regulator pressures O Inspect pressure regulator for oil build-up O Inspect pressure regulator assembly for fuel/coolant leaks O Carburetor Section Check for air leaks in filter system O Check for vacuum leaks on complete intake system O Inspect air/gas valve assembly O Inspect air/fuel mixture throat O Inspect gasoline carburetor O Check air cleaner indicator O Inspect air cleaner O Replace air filter element O Engine Exhaust Section (Low Emission Version only) Inspect exhaust manifold for leaks O Inspect manifold-to-catalyst exhaust piping and Connections for leaks O Inspect catalyst inlet and outlet and leaks O