12 Genie S-120 & Genie S-125 Part No. 62756Operator's Manual First Edition · Fourth PrintingMaintenanceObserve and Obey:Only routine maintenance items specified in thismanual shall be performed by the operator.Scheduled maintenance inspections shall becompleted by qualified service technicians,according to the manufacturer's specificationsand the requirements specified in theresponsibilities manual.Maintenance Symbols LegendThe following symbols have beenused in this manual to helpcommunicate the intent of theinstructions. When one or more ofthe symbols appear at thebeginning of a maintenanceprocedure, it conveys the meaningbelow.Indicates that tools will be required toperform this procedure.Indicates that new parts will berequired to perform this procedure.Indicates that a cold engine is requiredbefore performing this procedure.Check the Engine Oil LevelMaintaining the proper engine oil level is essentialto good engine performance and service life.Operating the machine with an improper oil levelcan damage engine components.Check the oil level with theengine off.1 Check the engine oil dipstick. Add oil asneeded.Cummins models:Result: The oil level should be within the "L" and"H" marks on the dipstick.Deutz models:Result: The oil level should be within the twomarks on the dipstick.Perkins models:Result: The oil level should be within the twonotches on the dipstick.Cummins B3.9L Engine 11.5 quartsOil capacity (including filter) 10.9 litersCummins B3.9L EngineOil viscosity requirementsbelow 68°F / 20°C 5W-30-10° to 68°F / -23° to 20°C 10W-30above 15°F / -9°C 15W-40Use oils meeting API classification CE (labeled CE/SG).Deutz F4L 913 Engine 14 quartsOil capacity (including filter) 13.5 litersDeutz F4L 913 Engine Oil viscosityrequirementsbelow 60°F / 15.5°C (synthetic) 5W-30-10°F to 90°F / -23°C to 32°C 10W-40above -4°F / -34°C 15W-40Engine oil should have properties of API classificationCC/SE or CC/SF grades.