Genie Z-30/20N Service Manual page 84

Section 4 • Repair Procedures
MANIFOLDS
Function Manifold Components, continued
The function manifold is locate behind the ground controls turntable cover.
Index
No. Description
15 Orifice, 0.045 inch / 1.14 mm ........... O ........... Brake and steer circuit
16 Solenoid valve, N.O. poppet ............. P ........... Brake circuit ...................................... 20-25 ft-lbs / 27-34 Nm
17 Differential sensing valve ................. Q ........... Differential sensing circuit ................ 30-35 ft-lbs / 41-47 Nm
18 Relief valve,
2800 psi / 193 bar
(Z-30N and Z-30N RJ)
3200 psi / 221 bar
(Z-34N and Z-34DC) ........................ R ........... System relief ..................................... 20-25 ft-lbs / 27-34 Nm
19 Orifice, 0.035 inch / 0.89 mm ............ S ........... Tank return circuit
20 Diagnostic fitting ................................ T ........... Testing
21 Solenoid valve, 3 position 4 way ..... U ........... Secondary boom up/down ............... 20-25 ft-lbs / 27-34 Nm
22 Solenoid valve, 3 position 4 way ...... V ........... Primary boom up/down .................... 20-25 ft-lbs / 27-34 Nm
23 Flow regulator valve,
1.5 gpm / 5.7 L/min
(before serial number 10808)
Flow regulator valve,
1.8 gpm / 6.8 L/min
(after serial number 10807) ............. W ........... Turntable rotate circuit ...................... 20-25 ft-lbs / 27-34 Nm
24 Flow regulator valve,
0.8 gpm / 3 L/min ............................... X ........... Jib boom/platform rotate circuit ........ 20-25 ft-lbs / 27-34 Nm
25 Solenoid valve, 3 position 4 way ...... Y ........... Turntable rotate left/right .................. 20-25 ft-lbs / 27-34 Nm
4 - 34
Schematic
Item Function
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
June 2011
REV B
Torque
Part No. 139378