Valve Adjustments - Oscillate Manifold - Genie S-60 Service Manual

Section 7 • Repair Procedures
MANIFOLDS
11-5
Valve Adjustments -
Oscillate Manifold
How to Adjust the Oscillate
Sequencing Valve Pressure
When removing a hose assembly
or fitting, the O-ring on the fitting
and/or hose end must be replaced
and then torqued to specification
during installation.
Refer to Section Two, Hydraulic
Hose and Fitting Torque
Specifications.
1 Connect a 0 to 2000 psi (0 to 138 bar) pressure
gauge to the diagnostic nipple (index 9) located
on the oscillate manifold.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to
squirt or spray.
2 Remove the chassis cover from the non-steer
end of the drive chassis.
3 Disconnect the directional valve linkage, by
removing the clevis yoke from the drive
chassis.
7 - 52
4 Start the engine from the platform controls.
5 With the engine running, manually activate the
valve and observe the pressure reading on the
pressure gauge.
Sequencing valve specifications
Pressure
6 Turn the engine off. Hold the unloader valve
with a wrench and remove the cap (index 4).
7 Adjust the internal hex socket. Turn it clockwise
to increase the pressure or counterclockwise
to decrease the pressure. Install the valve cap.
8 Repeat steps 3 through 6 and manually activate
the valve to confirm the valve pressure.
9 Turn the engine off, remove the pressure
gauge, and assemble the directional valve
linkage.
10 Install the cover on the non-steer end of the
drive chassis.
Genie S-60 & Genie S-65
Third Edition • First Printing
Tip-over hazard. Do not adjust the
relief valve higher than specified.
Part No. 65196
950 psi
65.5 bar