Part No. 48412 Genie S-60 & Genie S-65 4 - 29Service Manual - Second 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 or continueduse of worn out wear pads may result incomponent damage and unsafe operatingconditions.If the wear pads are not wornbelow specification but are stillwithin specification, see RepairProcedure 4-2, How to Shim theBoom.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 specification. If the wear pad isnot less than specification, shim as necessaryto obtain zero clearance and zero drag.4 Extend and retract the boom through the entirerange of motion to check for tight spots thatmay cause binding or scraping of the boom.Always maintain squarenessbetween the boom outer and innertubes.Wear pad specificationsUpper wear pads 9 /16 inch 14.3 mmBottom and side wear pads 11/ 16 inch 17.5 mmTable C Procedures1234567891011121314 1516171822263019232720 24 28212529C-2Check 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 lift cylinder rod. Carefully lower the boomonto the lift 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).2 Be sure that each turntable mounting bolt istorqued in sequence to 210 foot-pounds(285 Newton meters).Bolt torque sequence800-610-4101ActionRental.com
