UPS MAINTENANCEEaton® 9130 UPS (700–3000 VA) User's Guide 164201718 Rev 2 www.powerware.com 63 Do not open or mutilate the battery or batteries. Released electrolyte is harmful to theskin and eyes and may be extremely toxic. Determine if the battery is inadvertently grounded. If inadvertently grounded, removesource from ground. Contact with any part of a grounded battery can result in electricalshock. The likelihood of such shock can be reduced if such grounds are removed duringinstallation and maintenance (applicable to equipment and remote battery supplies nothaving a grounded supply circuit). ELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or connectors.Attempting to alter wiring can cause injury. Disconnect charging source prior to connecting or disconnecting battery terminals.Replacing Rackmount UPS Internal BatteriesC A U T I O NThe UPS internal batteries are heavy (see page 78). Use caution when handling the heavybatteries.The internal batteries are located behind the UPS right front cover(behind the LCD control panel). The internal batteries are packagedtogether as one unit for easier handling.To replace the batteries in the UPS:1. Remove the UPS right front cover (see Figure 23).To remove the cover, remove and retain the two screws on theright side of the cover. Grasp the top and bottom of the cover andslide the cover to the right.NOTE A ribbon cable connects the LCD control panel to the UPS. Do not pull on the cableor disconnect it.