Wheel Steer And Oscillate Manifold (From Serial Number 990) - Genie Z80/60 Service Manual

Section 4 • Repair Procedures
MANIFOLDS
8-8
Two Wheel Steer and Oscillate Manifold
(from serial number 990)
The Two Wheel Steer and Oscillate manifold is mounted inside the drive chassis at the square-end of the
machine.
Index
No. Description
1 Solenoid valve, 3 position 4 way ....... JA ......... Steer left/right,
2 Solenoid valve, 3 position 4 way ....... JB ......... Steer left/right,
3 Solenoid valve, 2 position 3 way ....... JC ......... Oscillate cylinder, blue side .............. 26-30 ft-lbs / 35-41 Nm
4 Solenoid valve, 2 position 3 way ....... JD ......... Oscillate cylinder, yellow side ........... 26-30 ft-lbs / 35-41 Nm
5 Relief valve,
750 to 860 psi / 51.71 to 59.3 bar ..... JE ......... Oscillate circuit .................................. 20-25 ft-lbs / 27-34 Nm
6 Flow regulator valve,
1.5 gpm / 5.7 L/min ............................ JF ......... Blue side steer cylinder
7 Flow regulator valve,
1.0 gpm / 3.8 L/min ............................ JG ......... Blue side steer cylinder
8 Check valve ....................................... JH ......... Load sensing circuit,
9 Check valve ....................................... JI ........... Prevents steer cylinder from
10 Check valve ....................................... JJ .......... Prevents steer cylinder from
4 - 82
Schematic
Item Function
yellow side steer cylinder .................. 26-30 ft-lbs / 35-41 Nm
blue side steer cylinder ..................... 26-30 ft-lbs / 35-41 Nm
extend circuit ..................................... 20-25 ft-lbs / 27-34 Nm
retract circuit ..................................... 20-25 ft-lbs / 27-34 Nm
blue side steer cylinder retract ............ 8-10 ft-lbs / 11-14 Nm
moving when not steering ................. 20-25 ft-lbs / 27-34 Nm
moving when not steering ................. 20-25 ft-lbs / 27-34 Nm
Z-80/60
June 2011
REV E
Torque
Part No. 88619