Part No. 39528 Genie GS-1530 & Genie GS-1930 4 - 15Service Manual - First Edition Section 4 - Scheduled Maintenance ProceduresTABLE B PROCEDURESB-10Perform Hydraulic Oil AnalysisSee D-1,Test or Replace the Hydraulic Oil.B-11Check the Electrical Contactor -(before serial number 6901)Maintaining the electrical contactor in goodcondition is essential to safe machine operation.Failure to locate a worn or damaged contactor couldresult in an unsafe working condition andcomponent damage.1 Open the hydraulic power unit module and locatethe electrical contactor mounted above thehydraulic power unit.2 Visually inspect the contact points of eachcontactor for the following items:· Excessive burns· Excessive arcs· Excessive pittingReplace the contactor if anydamage is found.
