Genie GRC-12 Service Manual

Also see for Lift Guard GRC-12: Operator's manual supplement Operator's manual

Contents

Genie GRC-12 Service Manual Manual pdf 36 page image

Section 3 • Scheduled Maintenance ProceduresREV BSeptember 20163 - 18 GRC Part No. 227123CHECKLIST B PROCEDURESB-10Test the Drive Speed -Raised PositionGenie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.Proper drive functions are essential to safemachine operation. The drive function shouldrespond quickly and smoothly to operator control.Drive performance should also be free ofhesitation, jerking and unusual noise over theentire proportionally controlled speed range.Note: Perform this procedure with the machine ona firm, level surface that is free of obstructions.1 Create start and finish lines by marking twolines on the ground 40 feet / 12.2 m apart.2 Turn the key switch to platform control and pullout the red Emergency Stop button to the onposition at both the ground and platformcontrols.3 Press and hold the high or low speed lift enablebutton.4 Press the platform up button.5 Raise the platform approximately 4 feet / 1.2 mfrom the ground.6 Choose a point on the machine; i.e., contactpatch of a tire, as a visual reference for usewhen crossing the start and finish lines.7 Press and hold the drive/steer function enableswitch on the control handle.a drive/steer function enable switchb platform up buttonc low speed lift enable buttond high speed lift enable buttone blue arrow8 Move the control handle in the directionindicated by the blue arrow on the control paneluntil the machine begins to move forward.9 Bring the machine to top drive speed beforereaching the start line. Begin timing when theselected reference point on the machinecrosses the start line.10 Continue at full speed and note the time whenyour reference point on the machine passes thefinish line. Refer to Section 2,Specifications.