Function Manifold Components - Genie Z-34/22IC Service Manual

Section 4 • Repair Procedures
Manifolds
10-1

Function Manifold Components

The function manifold is mounted to the turntable under the ground control box.
Index
No. Description
1 Counterbalance valve,
3000 psi / 207 bar .............................. F ........... Platform level up ............................... 25-30 ft-lbs / 34-41 Nm
2 Counterbalance valve,
3000 psi / 207 bar .............................. G ........... Platform level down .......................... 25-30 ft-lbs / 34-41 Nm
3 Counterbalance valve,
1500 psi / 103 bar .............................. H ........... Turntable rotate left ........................... 25-30 ft-lbs / 34-41 Nm
4 Counterbalance valve,
1500 psi / 103 bar .............................. I ............ Turntable rotate right ........................ 25-30 ft-lbs / 34-41 Nm
5 Relief valve, 1600 psi / 110 bar ......... J ............ Secondary boom down ..................... 25-30 ft-lbs / 34-41 Nm
6 Relief valve, 1600 psi / 110 bar ........ K ........... Primary boom down .......................... 25-30 ft-lbs / 34-41 Nm
7 Proportional solenoid valve ............... D ........... System flow regulating circuit ........... 35-40 ft-lbs / 47-54 Nm
8 Solenoid valve, 3 position 4 way ....... E ........... Steer left/right .................................... 10-12 ft-lbs / 14-16 Nm
9 Flow regulator valve,
0.1 gpm / 0.38 L/min .......................... V ........... Differential sensing circuit ................. 35-40 ft-lbs / 47-54 Nm
10 Differential sensing valve .................. C ........... All functions ....................................... 35-40 ft-lbs / 47-54 Nm
11 Diagnostic fitting ............................................... Testing
12 Priority flow regulator valve,
1 gpm / 3.8 L/min ............................... A ........... Steering ............................................. 34-40 ft-lbs / 47-54 Nm
13 Relief valve, 3200 psi / 221 bar ......... B ........... System relief ..................................... 25-30 ft-lbs / 34-41 Nm
14 Solenoid valve, 2 position 3 way ....... U ........... Primary boom retract .......................... 8-10 ft-lbs / 11-14 Nm
15 Solenoid valve, 2 position 3 way ....... R ........... Primary boom up ................................. 8-10 ft-lbs / 11-14 Nm
This list continues. Please turn the page.
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Schematic
Item Function
Z-34/22 IC
July 2007
REV A
Torque
Part No. 128267