Part No. 77828 S-60 • S-65 • S-60 HC 4 - 49February 2012 Section 4 • Repair ProceduresManifolds7-1Function Manifold ComponentsThe function manifold is located underneath the ground controls side turntable cover.Index SchematicNo. Description Item Function Torque1 Counterbalance valve ....................... H ........... Platform level down .......................... 30-35 ft-lbs / 41-47 Nm2 Counterbalance valve ....................... G ........... Platform level up ............................... 30-35 ft-lbs / 41-47 Nm3 Proportional solenoid valve .............. M .......... Boom extend/retract ......................... 30-35 ft-lbs / 41-47 Nm4 Solenoid valve, 2 position 3 way ...... C ........... Boom retract ..................................... 30-35 ft-lbs / 41-47 Nm5 Solenoid valve, 2 position 3 way ...... B ........... Boom extend .................................... 30-35 ft-lbs / 41-47 Nm6 Solenoid valve, 3 position 4 way ...... D ........... Turntable rotate ................................ 20-25 ft-lbs / 27-34 Nm7 Proportional solenoid valve .............. T ........... Boom up/down circuit ....................... 30-35 ft-lbs / 41-47 Nm8 Solenoid valve, 3 position 4 way ...... BB ......... Steer left/right .................................... 20-25 ft-lbs / 27-34 Nm9 Check valve, 30 psi / 2 bar ................ I ............ Differential sensing circuit,platform rotate left andjib boom up (S-65) ............................ 20-25 ft-lbs / 27-34 Nm10 Check valve, 30 psi / 2 bar ................ J ............ Differential sensing circuit,platform rotate right andjib boom down (S-65) ....................... 20-25 ft-lbs / 27-34 Nm11 Check valve ....................................... N ........... Differential sensing circuit,boom extend/retract .......................... 10-12 ft-lbs / 14-16 Nm12 Solenoid valve, 2 position 3 way ...... F ........... Boom down ....................................... 30-35 ft-lbs / 41-47 Nm13 Solenoid valve, 2 position 3 way ...... E ........... Boom up ........................................... 30-35 ft-lbs / 41-47 Nm14 Check valve ....................................... O ........... Differential sensing circuit,turntable rotate ................................. 10-12 ft-lbs / 14-16 Nm15 Check valve ....................................... R ........... Differential sensing circuit,boom up/down .................................. 10-12 ft-lbs / 14-16 Nm16 Priority flow regulator valve,3.5 gpm / 13.2 L/min .......................... AA ......... Steer left/right circuit ......................... 30-35 ft-lbs / 41-47 Nm17 Differential sensing valve,110 psi / 7.6 bar ................................. S ........... Boom up/down circuit ....................... 30-35 ft-lbs / 41-47 Nm18 Differential sensing valve,150 psi / 10.3 bar .............................. P ........... Turntable rotate circuit ...................... 30-35 ft-lbs / 41-47 NmThis list continues. Please turn the page
