Platform Manifold - Genie Z80/60 Service Manual

Section 4 • Repair Procedures
MANIFOLDS
8-4

Platform Manifold

The platform Manifold is mounted to the platform mounting weldment.
Index
No. Description
1 Check valve ....................................... GA ........ Platform level circuit
2 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
3 Check valve ....................................... GC ........ Jib boom circuit
4 Accumulator, 500 psi / 34.5 bar ......... GD ........ Hydraulic dampening ........................ 23 ft-lbs / 31 Nm
5 Differential sensing valve, N.O. ......... GE ........ Jib boom differential
6 Differential sensing valve, N.O. ......... GF ........ Platform level differential
7 Differential sensing valve, N.O. ......... GH ........ Platform rotate differential
8 Shuttle valve ...................................... GI .......... Jib boom load sense circuit .............. 7.5-9 ft-lbs / 10-12 Nm
9 Orifice plug, 0.030 inch / 0.762 mm ... GJ ......... Platform rotate left circuit
10 Orifice plug, 0.030 inch / 0.762 mm ... GK ........ Platform rotate right circuit
11 Shuttle valve ...................................... GL ......... Platform level load sense circuit ....... 7.5-9 ft-lbs / 10-12 Nm
12 Diagnostic nipple ............................... GM ........ Testing
13 Shuttle valve ...................................... GN ........ Platform rotate load sense circuit ..... 7.5-9 ft-lbs / 10-12 Nm
14 Differential sensing valve, N.C. ......... GO ........ Directs flow to functions .................... 23-25 ft-lbs / 31-34 Nm
15 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
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
17 Check valve ....................................... GR ........ Platform rotate circuit
4 - 74
Schematic
Item Function
sensing circuit ................................... 23-25 ft-lbs / 31-34 Nm
sensing circuit ................................... 23-25 ft-lbs / 31-34 Nm
sensing circuit ................................... 23-25 ft-lbs / 31-34 Nm
Z-80/60
June 2011
REV E
Torque
(Hand Tighten Only)
(Hand Tighten Only)
(Hand Tighten Only)
Part No. 88619