Section 3 • Scheduled Maintenance ProceduresPart No. 102916 S-100 • S-105 • S-120 • S-125 3 - 53June 2011REV A3 Be sure that each turntable rotation bearingmounting bolt above the turntable is torqued insequence. Refer to Section 2,Specifications.Bolt torque sequence4 Raise the boom to a horizontal position.5 Remove the safety chock and lower the boom tothe stowed position.6 Be sure that each turntable rotation bearingmounting bolt under the drive chassis is torquedin sequence. Refer to Section 2,Specifications.Note: The turntable rotation bearing bolt torquesequence is the same from above the turntable andbelow the drive chassis.D-5Check the Turntable RotationGear BacklashGenie specifications require that this procedure beperformed every 1000 hours or annually, whichevercomes first.Properly adjusted turntable rotation gear backlashis essential for good machine performance andservice life. Improperly adjusted turntable rotationgear backlash will cause the machine to performpoorly and continued use will cause componentdamage. The turntable rotation drive hub ismounted on the swing chassis behind the fixed sidecover at the ground controls side.Note: Be sure to check the backlash with themachine fully stowed and the counterweight at thesquare end of the machine.Note: Select a test area that is firm, level and freeof obstructions.1 Rotate the turntable until the boom is centeredbetween the circle end wheels.2 Apply approximately 20 lbs / 89 N of side forceto the platform, moving the platform to one sideas far as it will go.
