Section 4 • Repair Procedures4 - 42 S-80 • S-85 • S-80X Part No. 122985February 2012Manifolds8-1Function Manifold ComponentsThe function manifold assembly is located on the tank side tray, behind the ground control box.Index SchematicNo. Description Item 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/down proportional ............. 33-37 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 / check function pump ...... 30-35 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 ........ Differential sensing/turntable rotate . 30-35 ft-lbs / 41-47 Nm20 Flow regulator valve .......................... SM ........ Steering flow control ......................... 20-25 ft-lbs / 27-34 Nm
