Fourth Edition • Fourth Printing Operator's ManualMaintenancePart No. 133564 GS-3384 • GS-3390• GS-4390• GS-5390 47MaintenanceObserve and Obey: Only routine maintenance items specified inthis manual shall be performed by theoperator. Scheduled maintenance inspections shall becompleted by qualified service technicians,according to the manufacturer’s specificationsand the requirements specified in theresponsibilities manual. Dispose of material in accordance withgovernmental regulations. 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 engine is requiredbefore performing 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.Note: This procedure does not need to beperformed on machines with sealed ormaintenance-free batteries.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.Neutralize battery acid spills with baking sodaand water.Note: Perform this test after fully charging thebatteries.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 bracketsare in place and secure.Note: Adding terminal protectors and a corrosionpreventative sealant will help eliminate thecorrosion on the battery terminals and cables.