D25User's Manual GE Grid Solutions110 994-0081-3.00-21 GE InformationChapter 6: Servicing the D25D25 ServiceLifeThe expected service life of a D25 is 20 years when the environment andelectrical conditions are within stated specifications.D25MaintenanceThe D25 does not require any scheduled maintenance. Periodic inspection issuggested to ensure that:• Unit has sustained no accidental physical damage• Airflow is not obstructed• Connectors and cables are intact and firmly attached• Fuses are intact• Battery condition is goodServicing Tasks Use this section of the guide for regular servicing and preventativemaintenance inspection tasks:• The locations and standard values of all fuses• How to disassemble and reassemble the unit• Jumpers settings on the on Type III WESDAC board• How to inspect and replace batteries on the main board
