Genie Z80/60 Service Manual

Also see for Z-80/60: Maintenance manual Maintenance manual Maintenance manual Operator's manual Operator's manual

Contents

Genie Z80/60 Service Manual Manual pdf 176 page image

4 - 74 Z-80/60 Part No. 88619June 2011Section 4 • Repair ProceduresREV EMANIFOLDS8-4Platform ManifoldThe platform Manifold is mounted to the platform mounting weldment.Index SchematicNo. Description Item Function Torque1 Check valve ....................................... GA ........ Platform level circuit2 Proportional solenoid valve,3 position 4 way ................................. GB ........ Jib boom up/down— Core Tube, Top ............................................................................................................ 7.5-9 ft-lbs / 10-12 Nm— Core Tube, Bottom ....................................................................................................... 3.7-4.5 ft-lbs / 5-6 Nm— Coil Nut ......................................................................................................................... 3.7-4.5 ft-lbs / 5-6 Nm(Hand Tighten Only)3 Check valve ....................................... GC ........ Jib boom circuit4 Accumulator, 500 psi / 34.5 bar ......... GD ........ Hydraulic dampening ........................ 23 ft-lbs / 31 Nm5 Differential sensing valve, N.O. ......... GE ........ Jib boom differentialsensing circuit ................................... 23-25 ft-lbs / 31-34 Nm6 Differential sensing valve, N.O. ......... GF ........ Platform level differentialsensing circuit ................................... 23-25 ft-lbs / 31-34 Nm7 Differential sensing valve, N.O. ......... GH ........ Platform rotate differentialsensing circuit ................................... 23-25 ft-lbs / 31-34 Nm8 Shuttle valve ...................................... GI .......... Jib boom load sense circuit .............. 7.5-9 ft-lbs / 10-12 Nm9 Orifice plug, 0.030 inch / 0.762 mm ... GJ ......... Platform rotate left circuit10 Orifice plug, 0.030 inch / 0.762 mm ... GK ........ Platform rotate right circuit11 Shuttle valve ...................................... GL ......... Platform level load sense circuit ....... 7.5-9 ft-lbs / 10-12 Nm12 Diagnostic nipple ............................... GM ........ Testing13 Shuttle valve ...................................... GN ........ Platform rotate load sense circuit ..... 7.5-9 ft-lbs / 10-12 Nm14 Differential sensing valve, N.C. ......... GO ........ Directs flow to functions .................... 23-25 ft-lbs / 31-34 Nm15 Proportional solenoid valve,3 position 4 way ................................. GP ........ Platform rotate left/right— Core Tube, Top ............................................................................................................ 7.5-9 ft-lbs / 10-12 Nm— Core Tube, Bottom ....................................................................................................... 3.7-4.5 ft-lbs / 5-6 Nm— Coil Nut ......................................................................................................................... 3.7-4.5 ft-lbs / 5-6 Nm(Hand Tighten Only)16 Proportional solenoid valve,3 position 4 way ................................. GQ ........ Platform level up/down— Core Tube, Top ............................................................................................................ 7.5-9 ft-lbs / 10-12 Nm— Core Tube, Bottom ....................................................................................................... 3.7-4.5 ft-lbs / 5-6 Nm— Coil Nut ......................................................................................................................... 3.7-4.5 ft-lbs / 5-6 Nm(Hand Tighten Only)17 Check valve ....................................... GR ........ Platform rotate circuit