Terex Genie Z-135/70, Service And Repair Manual

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Service and Repair Manual October 2018
Manifolds
126 Z®-135 /70 Part No. 1268557GT
Function Manifold - View 2 (after serial number 439)
Index
No.
Description Schematic Item Function Torque
1 Check valve DB Prevents hydraulic pressure from
flowing back into auxiliary pump
#1
2 Check valve W Prevents the draining of
hydraulic oil from the jib manifold
and platform manifold 30-35 ft-lbs / 41-47 Nm
3 Differential sensing valve,
150 psi / 10.3 bar O Primary boom up/down circuit,
regulates pressure drop across
primary boom up/down
proportional valve 30-35 ft-lbs / 41-47 Nm
4 Relief valve,
2600 psi / 179 bar E Primary boom extend 20-25 ft-lbs / 27-34 Nm
5 Proportional solenoid
valve P Primary boom up/down circuit 50-55 ft-lbs / 68-75 Nm
6 Proportional solenoid
valve R Primary boom extend/retract
circuit 50-55 ft-lbs / 68-75 Nm
7 Proportional solenoid
valve V Secondary boom extend/retract
circuit 50-55 ft-lbs / 68-75 Nm
8 Proportional solenoid
valve T Secondary boom up/down circuit 50-55 ft-lbs / 68-75 Nm
9 Proportional solenoid
valve N Turntable rotate left/right circuit 50-55 ft-lbs / 68-75 Nm
10 Differential sensing valve,
150 psi / 10.3 bar M Turntable rotate circuit, regulates
pressure drop across turntable
rotate proportional valve 30-35 ft-lbs / 41-47 Nm
11 Check valve DD Prevents hydraulic pressure from
flowing back into the function
pump 130-140 ft-lbs / 176-190 Nm
12 Check valve DC Prevents hydraulic pressure from
flowing back into auxiliary pump
#2