Section 3 • Scheduled Maintenance ProceduresREV BNovember 2005Part No. 84700 GR-12 • GR-15 • GR-20 3 - 19B-14Test the Slow Drive SpeedProper 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.Perform this procedure with themachine on a firm, level surfacethat 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 Press the slow speed select button.5 Choose a point on the machine; i.e., contactpatch of a tire, as a visual reference for usewhen crossing the start and finish lines.a slow speed select button BN66 Bring the machine to top drive speed beforereaching the start line. Begin timing when yourreference point on the machine crosses thestart line.7 Continue at full speed and note the time whenyour reference point on the machine passesover the finish line. Refer to Section 2,Specifications.aCHECKLIST B PROCEDURES
