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 35 page image

Section 3 • Scheduled Maintenance ProceduresREV BSeptember 2016Part No. 227123 GRC 3 - 17CHECKLIST B PROCEDURESB-9Test the Drive Speed -Stowed 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 Lower the platform to the stowed position.4 Choose a point on the machine; i.e., contactpatch of a tire, as a visual reference for usewhen crossing the test line.5 Check to make sure the low drive speed light isoff. If the low dive speed light is on, press thedrive speed select button to turn off the lowdrive speed function.6 Press and hold the drive/steer function enableswitch on the control handle.a drive/steer function enable switchb slow drive speed buttonc blue arrow7 Move the control handle in the directionindicated by the blue arrow on the control paneluntil the machine begins to move forward.8 Bring the machine to top drive speed beforereaching the start line. Begin timing when theselected reference point on the machinecrosses the start line.9 Continue at full speed and note the time whenyour reference point on the machine passes thefinish line. Refer to Section 2,Specifications.