Service and Repair Manual September 2015Manifolds56 S-80 • S-85 • S-80X Part No. 1269074Manifold s8-1 F uncti on Manifold8-1Function Manifold ComponentsThe function manifold assembly is located on the tank side tray, behind the ground control box.IndexNo. Description SchematicItem Function Torque1 Solenoid valve, 2 position 3 way SJ Boom up 50-55 ft-lbs / 68-75 Nm2 Solenoid valve, 2 position 3 way SK Boom down 30-35 ft-lbs / 41-47 Nm3 Solenoid valve, NO, Poppet SP Extend 33-37 ft-lbs / 45-50 Nm4 Solenoid valve, NO, Poppet SQ Retract 33-37 ft-lbs / 45-50 Nm5 Proportional valve SR Extend proportional 20-25 ft-lbs / 27-34 Nm6 Differential sensing valve SS Boom extend 30-35 ft-lbs / 41-47 Nm7 Proportional valve SF Boom up/downproportional33-37 ft-lbs / 45-50 Nm8 Solenoid valve, 3 position, 4 way SL Steering directional 20-25 ft-lbs / 27-34 Nm9 Proportional valve SE Swing proportional 20-25 ft-lbs / 27-34 Nm10 Solenoid valve, 3 position, 4 way SI Swing directional 26-30 ft-lbs / 35-41 Nm11 Flow regulator valve SD Oscillate flow control 20-25 ft-lbs / 27-34 Nm12 Relief valve, 2400 psi / 165 bar SN Boom down relief 20-25 ft-lbs / 27-34 Nm13 Relief valve, 2400 psi / 165 bar SO Boom extend relief 20-25 ft-lbs / 27-34 Nm14 Check valve, 30 psi / 2.1 bar ST Return check valve 30-35 ft-lbs / 41-47 Nm15 Differential sensing valve SH Primary lift 30-35 ft-lbs / 41-47 Nm16 Check valve SA Back flow / checkfunction pump30-35 ft-lbs / 41-47 Nm17 Relief valve, 3200 psi / 221 bar SB System relief 20-25 ft-lbs / 27-34 Nm18 Pressure reducing valve SC Oscillate pressure control 30-35 ft-lbs / 41-47 Nm19 Differential sensing valve SG Differentialsensing/turntable rotate30-35 ft-lbs / 41-47 Nm20 Flow regulator valve SM Steering flow control 20-25 ft-lbs / 27-34 Nm
