Operator's Manual Second Edition • First Printing42 GR-20J • GR-26J Part No. 216596MaintenanceObserve 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.Use only Genie approved replacement parts.Maintenance Symbols LegendThe following symbols have been used in thismanual to help communicate the intent of theinstructions. When one or more of the symbolsappear at the beginning of a maintenanceprocedure, it conveys the meaning below.Indicates that tools will be required toperform this procedure.Indicates that new parts will be required toperform this procedure.Indicates that a cold motor or pump will berequired to perform this procedure.Check the BatteriesProper battery condition is essential to goodmachine performance and operational safety.Improper fluid levels or damaged cables andconnections can result in component damage andhazardous conditions.Electrocution hazard. Contact with hot or livecircuits may result in death or serious injury.Remove all rings, watches and other jewelry.Bodily injury hazard. Batteries contain acid.Avoid spilling or contacting battery acid. Neutralizebattery acid spills with baking soda and water.1 Put on protective clothing and eye wear.2 Be sure that the battery cable connections aretight and free of corrosion.3 Be sure that the battery hold-down brackets arein place and secure.Note: Adding terminal protectors and a corrosionpreventative sealant will help eliminate corrosion onthe battery terminals and cables.