Section 4 • Repair ProceduresPart No. 122985 S-80 • S-85 • S-80X 4 - 47February 20128-4Turntable Rotation Manifold ComponentsThe turntable rotation manifold is mounted to the turntable rotation motor at the ground control sideof the machine.Index SchematicNo. Description Item Function Torque1 Counterbalance valve, 1000 psi ....... RA ........ Turntable rotate left ........................... 25-30 ft-lbs / 34-41 Nm2 Counterbalance valve, 1000 psi ....... RB ........ Turntable rotate right ........................ 25-30 ft-lbs / 34-41 Nm3 Shuttle valve, 2 position 3 way ......... RD ........ Turntable rotation brake release ........ 8-10 ft-lbs / 10-15 Nm4 Orifice, 0.030 inch / 0.8 mm ............... RC ........ Brake release circuitMANIFOLDS1 2RARDRB4 RC 3