February 2017 Service ManualChecklist B ProceduresPart No. 1259369GT S-80 • S-85 • S-80X 433 Turn the key switch to platform controls.Result: The flashing beacons should be onand flashing.4 Press down the foot switch. Move the boomcontroller to the down position, hold for amoment and then release it.Result: The descent alarm should sound whenthe controller is held down.5 Press down the foot switch. Move the drivecontroller off center, hold for a moment andthen release it. Move the drive controller offcenter in the opposite direction, hold for amoment and then release it.Result: The travel alarm should sound whenthe drive controller is moved off center ineither direction.B-19Inspect the Fuel and HydraulicTank Cap Venting SystemsGenie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.Perform this procedure more often if dustyconditions exist.Free-breathing fuel and hydraulic tank caps areessential for good machine performance andservice life. A dirty or clogged tank cap may causethe machine to perform poorly and continued usemay cause component damage. Extremely dirtyconditions may require that the caps be inspectedmore often.Explosion and fire hazard.Engine fuels are combustible.Perform this procedure in anopen, well-ventilated area awayfrom heaters, sparks, flames andlighted tobacco. Always have anapproved fire extinguisher withineasy reach.Note: Perform this procedure with the engine off.1 Remove the fuel filler cap from the tank.2 Check for proper venting.Result: Air passes through the fuel tank cap.Proceed to step 4.Result: If air does not pass through the cap,clean or replace the cap. Proceed to step 3.Note: When checking for positive tank cap venting,air should pass freely through the cap.