TM 5-3895-382-24Systems OperationIntroductionLeveling Blade System Schematic.(1) Leveling blade control valve. (2) Oil line to secondary brake valve.(3) Oil line from steering priority valve. (4) Leveling blade cylinder.The leveling blade system is a mechanically controlled,hydraulically operated system. The main components of theleveling blade system are control valve (1), cylinder (4) and theleveling blade.Hydraulic oil for the leveling blade system comes from theexcess flow outlet of the steering priority valve.Leveling Blade Control Valve.(1) Leveling blade control valve.Blade Control Lever.(5) Blade Control leverControl valve (1) is located under the operator's platform. Oilflows from the steering priority valve to control valve (1). Thecontrol valve is a four position valve, controlled by bladecontrol lever (5). Control valve (1) sends oil to and from theblade cylinder, allowing the blade to RAISE, HOLD, LOWER orFLOAT.Leveling Blade Cylinder.(4) Leveling blade cylinder. (6) Leveling blade.Leveling blade (6) is attached to the machine at the drum yoke.The blade is raised or lowered by retracting or extendingcylinder (4). The maximum depth of cut with the leveling bladeis 76.2 mm (3 in).15-5
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