Part No. 39528 Genie GS-1530 & Genie GS-1930 4 - 7Service Manual - First Edition Section 4 - Scheduled Maintenance ProceduresA-10Test the Lift/Drive Select Switch(before serial number 17408)A properly functioning Lift/Drive Select Switchis essential for safe machine operation. Animproperly operating Lift/Drive Select Switchwill fail to activate the appropriate platform controlwhich may result in a hazardous situation.1 Turn the key switch to platform control and pullout the Emergency Stop button to the ONposition at both the platform and groundcontrols.2 Move the lift/drive select switch to the LIFTposition.3 Press and hold the function enable switch.Result: The green power light should come on.4 Slowly move the control handle off center.Result: The platform should raise or lower.5 Move the lift/drive select switch to the DRIVEposition.6 Press and hold the function enable switch.Result: The green power light should come on.7 Slowly move the control handle off center.Result: The drive and steer functions shouldoperate.A-11Perform 30 Day ServiceThe 30 day maintenance procedure is a onetimesequence of procedures to be performed after thefirst 30 days or 50 hours of usage. After thisinterval, refer to the maintenance tables forcontinued scheduled maintenance.1 Perform the following maintenance procedures:· B-3 Inspect Tires and Wheels· C-1 Replace the Hydraulic FilterTABLE A PROCEDURES