4 - 8 Genie S-80 & Genie S-85 Part No. 34032Service Manual - First EditionSection 4 - Scheduled Maintenance ProceduresTABLE A PROCEDURES3 Visually inspect the drive limit switch located onthe end of the cable track on the boom. Inspectfor the following:· broken or missing roller or arm· missing fasteners· loose wiring4 Start the engine from the platform controls andextend the axles.5 Slowly move the drive control handleoff center.Result: The machine should move at normaldrive speeds.6 Raise the boom above the drive limit switch.7 Slowly move the drive control handle off center.Result: The machine should move at a reduceddrive speed.8 Lower the boom to the stowed position, thenextend the boom 1 foot (30 cm).9 Slowly move the drive control handle off center.Result: The machine should move at a reduceddrive speed.Drive speed, maximum, raised or extendedAll models 1 foot per second0.3 meter per secondA-14Test the Limit SwitchesDrive Limit SwitchesDetecting limit switch malfunctions is essential tosafe machine operation. The drive limit switchesare used to restrict drive speed when the boom israised or extended. An improperly functioningdrive limit switch will allow the machine to operatein an unsafe position.1 Remove the cover from the base of the boomto access the limit switch.2 Visually inspect the drive limit switch locatedinside the pivot end of the boom. Inspect forthe following:· broken or missing actuator arm· missing fasteners· loose wiringa drive limit switchb boomc extension cylinderd master cylinderad bc