Terex Genie Z-34/22DC, Service Manual

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Service Manual April 2016
Manifolds
78 Z-30/20N • Z-30/20N RJ • Z-34/22
• Z-34/22N
Part No. 139378
7-1 Function Manifold Components
The function manifold is locate behind the ground controls turntable cover.
Index
No. Description
Schematic
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)r 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