4 - 40 Genie Z-45/25 Bi-Energy and Genie Z-45/25J Bi-Energy Part No. 106488August 2004Section 4 • Repair ProceduresREV B9-3Function Manifold Components (from serial number 20380 to 22565)The function manifold is located next to the hydraulic tank underneath the ground controls side cover.Index SchematicNo. Description Item Function Torque1 Solenoid valve, 2 position 3 way ....... BA ......... Primary boom retract ................................... 20 ft-lbs / 27 Nm2 Solenoid valve, 3 position 4 way ....... BB ......... Primary boom up/down ................................ 25 ft-lbs / 34 Nm3 Solenoid valve, 3 position 4 way ....... BC ........ Secondary boom up/down ........................... 25 ft-lbs / 34 Nm4 Solenoid valve, 3 position 4 way ....... BD ........ Turntable rotate left/right .............................. 25 ft-lbs / 34 Nm5 Solenoid valve, 3 position 4 way ....... BE ......... Platform rotate left/right andjib boom up/down (Z-45/25J) ....................... 25 ft-lbs / 34 Nm6 Solenoid valve, 3 position 4 way ....... BF ......... Platform level up/down ................................ 25 ft-lbs / 34 Nm7 Solenoid valve, 3 position 4 way ....... BG ........ Steer left/right ............................................... 25 ft-lbs / 34 Nm8 Proportional solenoid valve ............... BH ........ Controls flow to functions ............................. 27 ft-lbs / 37 Nm9 Solenoid valve, 2 position 2 way,N.C. poppet ....................................... BI .......... Brake circuit ................................................. 20 ft-lbs / 27 Nm10 Solenoid valve, 2 position 3 way ....... BJ ......... Primary boom extend ................................... 20 ft-lbs / 27 Nm11 Flow regulator valve,0.6 gpm / 2.27 L/min .......................... BK ......... Platform rotate and turntablerotate circuits ................................................ 20 ft-lbs / 27 Nm12 Counterbalance valve ........................ BL ......... Platform level down ........................... 20-25 ft-lbs / 27-34 Nm13 Flow control valve .............................. BM ........ Platform level circuit ..................................... 25 ft-lbs / 34 Nm14 Relief valve, 3200 psi / 220.6 bar ...... BN ........ System relief ................................................ 20 ft-lbs / 27 Nm15 Diagnostic nipple ............................... BO ........ Testing16 Check valve ....................................... BP ......... Brake circuit ...................................... 12-14 ft-lbs / 16-19 Nm17 Orifice, 0.60 inch / 1.5 mm ................. BQ ........ Steer circuit18 Differential sensing valve .................. BR ........ All functions .................................................. 25 ft-lbs / 34 Nm19 Pressure switch ................................. BS ......... Brake circuit20 Solenoid valve, 2 position 2 way,N.O. poppet ....................................... BT ......... Brake circuit ................................................. 20 ft-lbs / 27 Nm— Orifice, 0.30 inch / 0.76 mm(located under item BT) ..................... BU ........ Brake circuit21 Orifice, 0.46 inch / 1.17 mm ............... BV ......... Secondary boom up22 Counterbalance valve ........................ BW ........ Platform level up ............................... 20-25 ft-lbs / 27-34 Nm23 Relief valve, 1800 psi / 124 bar ......... BX ......... Secondary boom down ................................ 20 ft-lbs / 27 NmMANIFOLDS