Terex Genie S-120 Service Manual

Also see for Genie S-100: Maintenance manual Maintenance manual Maintenance manual Operator's manual supplement Operator's manual

Part No. 102916 S-100 • S-105 • S-120 • S-125 4 - 97January 2016 Section 4 • Repair ProceduresFunction Manifold Components, S-120 and S-125 Models, continued(from serial number 575)The function manifold is mounted to the turntable next to the ground controls.Index SchematicNo. Description Item Function Torque14 Relief Valve, 2600 psi / 179.3 bar ...... BI ...........Turntable, primary lift andboom retract pressure limit ............. 12-14 ft-lbs / 16.3-19 Nm15 Check Valve ....................................... AG ..........Blocks flow from auxiliary pump,port 2A to pump 1 .............................. 33-37 ft-lbs / 45-50 Nm16 Counterbalance Valve,3200 psi / 220.6 bar ........................... BH ..........Primary lift, load holding .....................30-35 ft-lbs / 41-47 Nm17 Relief Valve, 1800 psi / 124.1 bar ...... BA ..........Boom extend pressure limit ................18-20 ft-lbs / 25-27 Nm18 Flow Regulator Valve,0.1 gpm / 0.38 L/min .......................... BE ..........Leads off differentialsensing valve to tank ......................... 18-20 ft-lbs / 25-27 Nm19 Check Valve, 5 psi / 0.34 bar ............. BM .........Extension cylinderload sense check ............................ 12-14 ft-lbs / 16.3-19 Nm20 Check Valve, 5 psi / 0.34 bar ............. BJ ...........Primary lift load sense check ...........12-14 ft-lbs / 16.3-19 Nm21 Orifice Plug, 0.040 inch / 1.016 mm ... BK ..........Differential sensing damping22 Check Valve, 30 psi / 2.06 bar ........... BS ..........Back pressure check,boom extend ...................................... 33-37 ft-lbs / 45-50 Nm23 Proportional Solenoid Valve ............... BF ..........Primary lift,proportional speed control ................. 33-37 ft-lbs / 45-50 Nm24 Solenoid Valve,2 position 2 way, N.C. ........................ BO ..........Boom extend sequence control ..........33-37 ft-lbs / 45-50 Nm25 Solenoid Valve,2 position 2 way, N.C. ........................ BN ..........Boom retract sequence control...........33-37 ft-lbs / 45-50 Nm26 Solenoid Valve, 2 position 3 way ....... BQ ..........Boom retract control ...........................52-60 ft-lbs / 71-82 Nm27 Solenoid Valve, 2 position 3 way ....... BR ..........Boom extend control...........................52-60 ft-lbs / 71-82 NmMANIFOLDS