November 2014GS-2669 RT • GS-3369 RT • GS-4069 RT Part No. 229753TABLE OF CONTENTSSection 3 Scheduled Maintenance Procedures, continuedB-11 Test the Drive Speed - Raised Position ............................................. 3 - 24B-12 Inspect the Fuel Tank Check Valve Venting System -Gas/LPG Models .............................................................................. 3 - 24B-13 Inspect the Fuel and Hydraulic Tank Cap Venting Systems .............. 3 - 25B-14 Perform Hydraulic Oil Analysis ......................................................... 3 - 26B-15 Test the Flashing Beacons (if equipped) ........................................... 3 - 27B-16 Check the Oil Level in the Drive Hub ................................................. 3 - 27B-17 Perform Engine Maintenance - Kubota Diesel Models ....................... 3 - 28Checklist C ProceduresC-1 Test the Platform Overload System (if equipped) .............................. 3 - 29C-2 Down Limit Switch Descent Delay (if equipped)................................. 3 - 30C-3 Clean the Fuel Tank - Diesel Models................................................ 3 - 31C-4 Replace the Hydraulic Tank Breather Cap - Models withOptional Hydraulic Oil ....................................................................... 3 - 32C-5 Perform Engine Maintenance - Diesel Models ................................... 3 - 33C-6 Perform Engine Maintenance - Kubota Diesel Models ....................... 3 - 33Checklist D ProceduresD-1 Check the Scissor Arm Wear Pads and Slider Blocks ...................... 3 - 34D-2 Replace the Hydraulic Tank Return Filter .......................................... 3 - 34D-3 Perform Engine Maintenance - Kubota Models .................................. 3 - 35D-4 Perform Engine Maintenance - Perkins Models ................................. 3 - 36D-5 Perform Engine Maintenance - Kubota Gas/LPG Models .................. 3 - 36D-6 Replace the Drive Hub Oil ................................................................. 3 - 37D-7 Perform Engine Maintenance - Kubota Diesel Models ....................... 3 - 37Checklist E ProceduresE-1 Test or Replace the Hydraulic Oil ...................................................... 3 - 38E-2 Perform Engine Maintenance - Perkins Models ................................. 3 - 39E-3 Perform Engine Maintenance - Kubota Gas/LPG Models .................. 3 - 40E-4 Perform Engine Maintenance - Kubota Diesel Models ....................... 3 - 40E-5 Perform Engine Maintenance - Perkins Models ................................. 3 - 41E-6 Perform Engine Maintenance - Kubota Diesel Models ....................... 3 - 41x