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

Section 4 • Repair Procedures
MANIFOLDS
8-7
Two Wheel Steer and Oscillate Manifold
(before 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 ....... BA ......... Steer left/right,
2 Solenoid valve, 3 position 4 way ....... BB ......... Steer left/right,
3 Solenoid valve, 2 position 3 way ....... BC ........ Oscillate cylinder, blue side .............. 26-30 ft-lbs / 35-41 Nm
4 Solenoid valve, 2 position 3 way ....... BD ........ Oscillate cylinder, yellow side ........... 26-30 ft-lbs / 35-41 Nm
5 Relief valve,
750 to 860 psi / 51.71 to 59.3 bar ..... BE ......... Oscillate circuit .................................. 20-25 ft-lbs / 27-34 Nm
6 Flow regulator valve,
2.3 gpm / 8.7 L/min ............................ BF ......... Blue side steer cylinder
7 Flow regulator valve,
1.2 gpm / 4.5 L/min
(before serial number 928)
1.5 gpm / 5.7 L/min ............................ BG ........ Blue side steer cylinder
(after serial number 927)
8 Check valve ....................................... BH ........ Load sensing circuit,
9 Check valve ....................................... BI .......... Prevents steer cylinder from
10 Check valve ....................................... BJ ......... Prevents steer cylinder from
This list continues on the next page.
4 - 78
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