September 2016Part No. 227656 GR-20J • GR-26JTABLE OF CONTENTSSection 3 Scheduled Maintenance Procedures, continuedChecklist B ProceduresB-1 Inspect the Batteries ......................................................................... 3 - 10B-2 Inspect the Electrical Wiring ............................................................. 3 - 11B-3 Inspect the Tires, Wheels ................................................................. 3 - 12B-4 Test the Emergency Stop ................................................................. 3 - 13B-5 Test the Horn .................................................................................... 3 - 13B-6 Test the Key Switch .......................................................................... 3 - 14B-7 Test the Drive Brakes ....................................................................... 3 - 15B-8 Test the Drive Speed - Stowed Position ........................................... 3 - 16B-9 Test the Drive Speed - Raised Position ............................................ 3 - 17B-10 Inspect the Flashing Beacons (if equipped) ...................................... 3 - 18B-11 Test the Motion Alarm ...................................................................... 3 - 19B-12 Perform Hydraulic Oil Analysis ......................................................... 3 - 20B-13 Inspect the Breather Cap .................................................................. 3 - 20B-14 Inspect the Rear Axle Free-wheeling ................................................ 3 - 21B-15 Inspect the Lateral Offset of the Mast ............................................... 3 - 22B-16 Inspect the Mast Wear Pads ............................................................ 3 - 23Checklist C ProceduresC-1 Calibrate the Platform Overload System (if equipped) ...................... 3 - 24C-2 Replace the Hydraulic Tank Breather Cap -Models with Optional Hydraulic Oil ................................................... 3 - 25Checklist D ProceduresD-1 Replace the Hydraulic Tank Return Filter Element ........................... 3 - 26Checklist E ProcedureE-1 Test or Replace the Hydraulic Oil ..................................................... 3 - 27ix