Genie GR-20J Service Manual

Also see for GR-26J: Operator's manual Installation instructions Operator's manual

Contents

Genie GR-20J Service Manual Manual pdf 82 page image

Section 4 • Repair Procedures4 - 36 GR-20J • GR-26J Part No. 227656September 2016Turntable Components9-1Turntable Rotation MotorHow to Remove the TurntableRotation MotorNote: When removing a hose assembly or fitting,the fitting and/or hose end must be torqued tospecification during installation. Refer to Section 2,Hydraulic Hose and Fitting Torque Specifications.Bodily injury hazard. Thisprocedure requires specific repairskills, lifting equipment and asuitable workshop. Attempting thisprocedure without these skills andtools could result in death orserious injury and significantcomponent damage. Dealerservice is strongly recommended.1 Turn the key switch to ground control and pullout the red Emergency Stop button to the onposition at both the ground and platformcontrols.Note: Rotate the red Emergency Stop button atplatform control one quarter turn in a clockwisedirection to restore the power supply. The redEmergency Stop button returns automatically tothe out, or on position.2 Raise the jib boom to the maximum height.3 Turn the key switch to off position and push inthe red Emergency Stop button to the offposition at both the ground and platformcontrols.a turntable rotation motorb fastenersc hydraulic hoses4 Remove the fasteners securing the rear chassiscover to the chassis at the non-steer end of themachine. Remove the chassis cover. Lay thecover and fasteners to the side.5 Remove the fasteners securing the side coversto the chassis. Remove the side covers fromthe machine. Lay the side covers and fastenersto the side.6 Remove the fasteners securing the turntablemotor protection plate to the chassis. Removethe protection plate from the machine. Lay theprotection plate and fasteners to the side.Note: The turntable motor protection plate islocated above the turntable rotation motor.abc