HYDRAULIC SYSTEM Ch 5 page 10 Main Valve - List Of Components SHOP MANUAL Pos.
Description Function 1 Solenoid valve, Coil Parking brake release valve 2 Pressure relief valve Supply pressure spike clipper valve 3,8,9 Check valve Brake accumulator charge and isolation function 4 Pressure reducing valve Brake charge pressure limitation valve 5 Orifice screw Flow limiting orifice 6 Check valve Steering system feed check valve 7 Orifice screw Flow limiting orifice 10 Proportional pressure relief valve Brake charge pressure control valve 11 Logic Element Steering- and brake supply priority valve 12,15, 36 Shuttle valve Load signal shuttle valve 13 Orifice screw LS relief flow limitation orifice 14 Pressure relief valve Steering load signal pressure limiter 16 Orifice-check valve Pump load signal damping restrictor 17,21, 23,27 Check valve Suspension leveling control check valve 18,28 Orifice screw Suspension leveling raising flow limitation orifice 19,20, 26,29 Solenoid valve, Coil Suspension leveling control valve 22,25 Orifice screw Suspension leveling lowering flow limitation orifice 24 Pressure relief valve Suspension max pressure limiter 30 Pressure reducing valve Pilot pressure supply valve 31 Proportional pressure relief valve, Coil Fan load signal pressure control valve 32 Orifice screw Fan speed control valve damping orifice 33 Logic element Fan speed control valve 34 Flow control valve Fan speed control curcuit flow regulator 35 Solenoid valve Fan deactivation valve 37 Check valve (up to 7X1750/8X1718) Engine exhaust brake maximum pressure limiter 38 Proportional pressure reducing valve, Coil (up to 7X1750/8X1718) Engine exhaust brake pressure control valve 39,40 Proportional pressure reducing valve, damping orifice Bucket function pilot pressure control valve