Service and Repair Manual September 2015Manifolds50 Z-34/22 Bi-Energy Part No. 1268515Manifold s9-1 F uncti on Manifold C om ponents9-1 Function Manifold ComponentsThe function manifold is mounted to the turntable under the ground control box.IndexNo. Description SchematicItem Function Torque1 3 position 4 way spool valve A Platform level up/down 10-12 ft-lbs / 14-16 Nm2 Counterbalance valve B Platform level down 35-40 ft-lbs / 47-54 Nm3 Counterbalance valve C Platform level up 35-40 ft-lbs / 47-54 Nm4 Relief valve, 1100 psi / 75.8 bar D Turntable rotate left/right 25-30 ft-lbs / 34-41 Nm5 Relief valve, 1600 psi / 110 bar E Secondary boom down 25-30 ft-lbs / 34-41 Nm6 Relief valve, 1600 psi / 96.5 bar F Primary boom down 25-30 ft-lbs / 34-41 Nm7 Proportional solenoid valve G System flow regulatingcircuit10-12 ft-lbs / 14-16 Nm8 Check valve H Brake circuit 25-30 ft-lbs / 34-41 Nm9 Solenoid valve, 3 position 4 way I Steer left/right 10-12 ft-lbs / 14-16 Nm10 3 position 4 way spool valve J Primary boomextend/retract10-12 ft-lbs / 14-16 Nm11 Pressure switch K Brake circuit12 Solenoid valve, N.C. poppet L Brake circuit 25-30 ft-lbs / 34-41 Nm13 Orifice, 0.045 in / 1.02 mm M Steer circuit14 Orifice, 0.045 in / 1.02 mm N Brake circuit15 Solenoid valve, N.O. poppet O Brake circuit 25-30 ft-lbs / 34-41 Nm16 Differential sensing valve P Differential sensing circuit 10-12 ft-lbs / 14-16 Nm17 Relief valve, 3200 psi / 220.6 bar Q System relief 25-30 ft-lbs / 34-41 Nm18 Diagnostic fitting R Testing19 3 position 4 way spool valve S Secondary boom up/down 10-12 ft-lbs / 14-16 Nm20 3 position 4 way spool valve T Primary boom up/down 10-12 ft-lbs / 14-16 Nm21 Flow regulator valve,1.8 gpm / 6.8 L/minU Turntable rotate circuit 10-12 ft-lbs / 14-16 Nm22 Flow regulator valve,0.8 gpm / 3 L/minV Jib boom/platform rotatecircuit10-12 ft-lbs / 14-16 Nm23 3 position 4 way spool valve W Turntable rotate left/right 10-12 ft-lbs / 14-16 Nm
