14-114. Hydraulic PressureCheck & AdjustmentChapter OverviewThis chapter provides an overview of checking andsetting pressures. It is important to contact themanufacturer for assistance before beginning theseprocedures.Personal SafetyImproper or incomplete maintenance/repair of a RubberTrack Loader can be dangerous and may result in ma-chine damage, injury or death.Do not attempt to perform any type of repair or mainten-ance on a Rubber Track Loader until you have read andfully understood the information in this manual.Refer to the Operation and Maintenance manual for in-structions regarding proper machine operation techniquesbefore operating any Rubber Track Loader.Prior to performing any type of service work on aRubber Track Loader, read and understand Chapter1 (Product Safety) for personal safety information.Machine PreparationAccidental machine starting can cause injury ordeath to personnel working on a Rubber TrackLoader.As a precaution, disconnect the battery cables fromthe battery terminals, tape the battery clamps andremove the key from the ignition switch prior to per-forming any service work on a Rubber Track Loader.Place a “Do Not Operate” tag prominently on themachine to inform personnel that the machine is be-ing worked on.Hydraulic PressureAdjustment ProceduresAdjustment and test procedures are provided for thefollowing transmission and drive components.• Charge Pressure Check & Adjustment• Auxiliary Valve Pressure Check & AdjustmentCharge Pressure CheckThe service tools required for the charge pressurecheck are listed in Table 14-1. Use manufacturer-recommended tools whenever possible.Table 14-1Required ToolsPressure GaugeCombination WrenchFigure 14-1Test Port