TM 5-3805-261-20CHAPTER 15HYDRAULIC SYSTEMTROUBLESHOOTING AND MAINTENANCECHAPTER OVERVIEWThe purpose of this chapter is to help the technician efficiently troubleshoot and repair malfunctioning equipment and toperform authorized organizational support level maintenance procedures on the 130G Grader.INDEXSectionTitleParagraphPageIHYDRAULIC SYSTEM TROUBLESHOOTINGGeneral Information15-115-3Hydraulic System Troubleshooting Procedures15-215-3IIHYDRAULIC SYSTEM MAINTENANCEHydraulic System Maintenance Procedures15-315-7Circle Drive Motor Assembly15-415-8Blade Float Pilot Valve15-515-11Blade Float Check Valve15-615-15Hydraulic Pump Relief Valve Assembly andMounting15-715-18Circle Drive Check Valve15-815-21Leaning Wheel Check Valve15-915-25Sideshift Check and Relief Valves15-1015-29Blade Tip Check and Relief Valve15-1115-33Scarifier Check and Relief Valve15-1215-37Centershift Check Valve15-1315-42Right Blade Lift Check Valve15-1415-46Articulation Check Valve15-1515-50Left Blade Lift Check and Relief Valve15-1615-54Hydraulic Control Valve Group15-1715-58Hydraulic Control Linkages15-1815-70Hydraulic Control Levers15-1915-7315-1
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