Part No. 34032 Genie S-80 & Genie S-85 4 - 27Service Manual - First Edition Section 4 - Scheduled Maintenance ProceduresC-1Check the BoomWear PadsMaintaining the boom wear pads in good conditionis essential to safe machine operation. Wear padsare placed on boom tube surfaces to provide a lowfriction, replaceable wear pad between movingparts. Improperly shimmed wear pads orcontinued use of worn out wear pads may result incomponent damage and unsafe operatingconditions.1 Start the engine from the ground controls.2 Raise the end of the boom to a comfortableworking height (chest high), then extend theboom 1 foot (30 cm).3 Measure each wear pad. Replace the wear padif it is less than 7 /16 inch (11 mm) thick. If thewear pad is more than 7 /16 inch (11 mm) thick,shim as necessary to obtain zero clearanceand zero drag.4 Extend and retract the boom through the entirerange of motion to check for tight spots thatcould cause binding or scraping.Always maintain squarenessbetween the boom outer and innertubes.C-2Check the Extendable Axle WearPadsMaintaining the axle wear pads in good conditionis essential to safe machine operation. Wear padsare placed on axle tube surfaces to provide a lowfriction, replaceable wear pad between movingparts. Improperly shimmed wear pads orcontinued use of worn out wear pads may result incomponent damage and unsafe operatingconditions.Table C Procedures1 Start the engine from the ground controls andextend the axles.2 Measure each wear pad. Replace the wear padif it is less than 7 /16 inch (11 mm) thick. If thewear pad is more than 7 /16 inch (11 mm) thick,shim as necessary to obtain zero clearanceand zero drag.4 Extend and retract the axles through the entirerange of motion to check for tight spots thatcould cause binding or scraping.Always maintain squarenessbetween the axle outer and innertubes.C-3Check the Turntable RotationBearing BoltsMaintaining proper torque on the turntable bearingbolts is essential to safe machine operation.Improper bolt torque could result in an unsafeoperating condition and component damage.1 Raise the boom and place a safety chock onthe cylinder. Carefully lower the boom onto thelift cylinder safety chock.Crushing hazard. Keep handsaway from cylinder and all movingparts when lowering the boom.The lift cylinder safety chock isavailable through Genie,(part no. 33484).