Genie Z-30/20N, Service Manual

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4 - 32 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N Part No. 139378
June 2011 Section 4 • Repair Procedures
REV B
7-1
Function Manifold Components
The function manifold is locate behind the ground controls turntable cover.
Index Schematic
No. Description Item Function Torque
1 Solenoid valve, 3 position 4 way ...... A ........... Platform level up/down ..................... 20-25 ft-lbs / 27-34 Nm
2 Counterbalance valve ....................... B ........... Platform level down .......................... 20-25 ft-lbs / 27-34 Nm
3 Counterbalance valve ...................... C ........... Platform level up ............................... 20-25 ft-lbs / 27-34 Nm
4 Relief valve, 1100 psi / 75.8 bar ...... D ........... Turntable rotate left/right .................. 30-35 ft-lbs / 41-47 Nm
5 Relief valve, 1600 psi / 110 bar ........ E ........... Secondary boom down .................... 20-25 ft-lbs / 27-34 Nm
6 Relief valve, 1600 psi / 110 bar ........ F ........... Primary boom down ......................... 20-25 ft-lbs / 27-34 Nm
7 Relief Valve, 1800 psi / 124 bar
(Z-30 N RJ) ....................................... G ........... Primary boom extend ....................... 20-25 ft-lbs / 27-34 Nm
8 Proportional solenoid valve ............. H ........... System flow regulating circuit ........... 30-35 ft-lbs / 41-47 Nm
9 Check valve ....................................... I ............ Brake circuit ...................................... 10-12 ft-lbs / 14-16 Nm
10 Solenoid valve, 3 position 4 way ...... J ............ Steer left/right .................................... 20-25 ft-lbs / 27-34 Nm
11 Solenoid valve, 3 position 4 way ...... K ........... Primary boom extend/retract ............ 20-25 ft-lbs / 27-34 Nm
12 Pressure switch ................................. L ........... Brake circuit
13 Solenoid valve, N.C. poppet ............ M ........... Brake circuit ...................................... 20-25 ft-lbs / 27-34 Nm
14 Orifice, 0.045 inch / 1.14 mm ........... N ........... Brake circuit
This list continues. Please turn the page.
Manifolds