Service and Repair Manual September 2015Manifolds44 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N Part No. 1268498Manifold s7-1 F uncti on Manifold C om ponents7-1 Function Manifold ComponentsThe function manifold is locate behind the ground controls turntable cover.IndexNo. Description SchematicItem Function Torque1 Solenoid valve, 3 position 4 way A Platform level up/down 20-25 ft-lbs / 27-34 Nm2 Counterbalance valve B Platform level down 20-25 ft-lbs / 27-34 Nm3 Counterbalance valve C Platform level up 20-25 ft-lbs / 27-34 Nm4 Relief valve, 1100 psi / 75.8 bar D Turntable rotate left/right 30-35 ft-lbs / 41-47 Nm5 Relief valve, 1600 psi / 110 bar E Secondary boom down 20-25 ft-lbs / 27-34 Nm6 Relief valve, 1600 psi / 110 bar F Primary boom down 20-25 ft-lbs / 27-34 Nm7 Relief Valve, 1800 psi / 124 bar(Z-30 N RJ)rG Primary boom extend 20-25 ft-lbs / 27-34 Nm8 Proportional solenoid valve H System flow regulating circuit 30-35 ft-lbs / 41-47 Nm9 Check valve I Brake circuit 10-12 ft-lbs / 14-16 Nm10 Solenoid valve, 3 position 4 way J Steer left/right 20-25 ft-lbs / 27-34 Nm11 Solenoid valve, 3 position 4 way K Primary boom extend/retract 20-25 ft-lbs / 27-34 Nm12 Pressure switch L Brake circuit13 Solenoid valve, N.C. poppet M Brake circuit 20-25 ft-lbs / 27-34 Nm14 Orifice, 0.045 inch / 1.14 mm N Brake circuit
