Genie Z-45/25 Bi-Energy Service Manual

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Genie Z-45/25 Bi-Energy Service Manual Manual pdf 102 page image

4 - 38 Genie Z-45/25 Bi-Energy and Genie Z-45/25J Bi-Energy Part No. 106488August 2004Section 4 • Repair ProceduresREV B9-2Function Manifold Components (from serial number 17841 to 20379)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 ....... AA ......... Primary boom retract ................................... 20 ft-lbs / 27 Nm2 Solenoid valve, 2 position 3 way ....... AB ......... Primary boom extend ................................... 20 ft-lbs / 27 Nm3 Solenoid valve, 3 position 4 way ....... AC ........ Primary boom up/down ................................ 25 ft-lbs / 34 Nm4 Solenoid valve, 3 position 4 way ....... AD ........ Secondary boom up/down ........................... 25 ft-lbs / 34 Nm5 Solenoid valve, 3 position 4 way ....... AE ......... Turntable rotate left/right .............................. 25 ft-lbs / 34 Nm6 Solenoid valve, 3 position 4 way ....... AF ......... Platform rotate left/right andjib boom up/down (Z-45/25J) ....................... 25 ft-lbs / 34 Nm7 Counterbalance valve ........................ AG ........ Platform level up ............................... 20-25 ft-lbs / 27-34 Nm8 Solenoid valve, 3 position 4 way ....... AH ........ Platform level up/down ................................ 25 ft-lbs / 34 Nm9 Solenoid valve, 3 position 4 way ....... AI .......... Steer left/right ............................................... 25 ft-lbs / 34 Nm10 Proportional solenoid valve ............... AJ ......... Controls flow to functions ............................. 27 ft-lbs / 37 Nm11 Differential sensing valve .................. AK ......... All functions .................................................. 25 ft-lbs / 34 Nm12 Solenoid valve, 2 position 2 way,N.C. poppet ....................................... AL ......... Brake circuit ................................................. 20 ft-lbs / 27 Nm13 Relief valve, 1800 psi / 124 bar ......... AM ........ Secondary boom down ................................ 20 ft-lbs / 27 Nm14 Flow regulator valve,0.6 gpm / 2.27 L/min .......................... AN ........ Platform rotate, turntable rotateand jib boom circuits (Z-45/25J) .................. 20 ft-lbs / 27 Nm15 Flow control valve,0.1 gpm / 0.38 L/min .......................... AO ........ Platform level circuit ..................................... 25 ft-lbs / 34 Nm16 Counterbalance valve ........................ AP ......... Platform level down ........................... 20-25 ft-lbs / 27-34 Nm17 Relief valve, 3200 psi / 220.6 bar ...... AQ ........ System relief ................................................ 20 ft-lbs / 27 Nm18 Diagnostic nipple ............................... AR ........ Testing19 Check valve ....................................... AS ......... Brake circuit ...................................... 12-14 ft-lbs / 16-19 Nm20 Orifice, 0.60 inch / 1.5 mm ................. AT ......... Steer circuit21 Pressure switch ................................. AU ........ Brake circuit22 Solenoid valve, 2 position 2 way,N.O. poppet ....................................... AV ......... Brake circuit ................................................. 20 ft-lbs / 27 Nm— Orifice, 0.30 inch / 0.76 mm(located under item VV) ..................... AW ........ Brake circuit23 Orifice, 0.46 inch / 1.17 mm ............... AX ......... Secondary boom upMANIFOLDS