Volvo Penta AD31 Owner's Manual page 24

Oil and oil filter changes
Cooling system
Thermostat
Impeller
Cooling water hoses/Exhaust hoses
Drive belts
Fuel system
Air filter/Air intake silencer
Electrical system
Oil changes – drive/reverse gear
Drive
Propeller
Cleaning and painting
Ventilation
Corrosion protection – inside the engine
Ignition system
This symbol represents work in
connection with the laying-up season
This symbol represents work in
connection with the launching season
A yellow box represents warning text
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