Valve Adjustments - Steer And Axle Extend/Retract Manifold - Genie S-100 Service And Repair Manual

March 2017
10-17
Valve Adjustments - Steer and
Axle Extend/Retract Manifold
How to Adjust the Steer and Axle
Retract Relief Valve
Note: Perform this procedure with the axles
retracted and the boom in the stowed position.
1 Connect a 0 to 5000 psi / 0 to 345 bar pressure
gauge to the test port on the steer and axle
extend/retract manifold.
2 Start the engine from the platform controls.
3 Position the machine so that the left front wheel
is against an immoveable object such as a
curb.
4 Press down the foot switch and activate the
steer function. Steer the wheel into the curb
and hold. Observe the pressure reading on
the pressure gauge. Refer to Specifications,
Hydraulic Component Specifications.
5 Turn the engine off. Use a wrench to hold the
relief valve and remove the cap (item EZ).
6 Adjust the internal hex socket. Turn it clockwise
to increase the pressure or counterclockwise to
decrease the pressure. Install the relief valve
cap.
Tip-over hazard. Do not adjust
the relief valve higher than
specified.
7 Repeat steps 2 through 6 to confirm relief valve
pressure.
Part No. 1268494
How to Adjust the Axle Extend
Relief Valve
Note: Perform this procedure with the axles
retracted, the boom in the stowed position and the
machine on a paved surface.
1 Connect a 0 to 5000 psi / 0 to 345 bar pressure
gauge to the test port on the steer and axle
extend/retract manifold.
2 Start the engine from the platform controls.
3 Press down the foot switch and push the axle
extend button. Observe the pressure reading
on the pressure gauge. Refer to Specifications,
Hydraulic Specifications.
4 Turn the engine off. Use a wrench to hold the
relief valve and remove the cap (item EQQ).
5 Adjust the internal hex socket. Turn it clockwise
to increase the pressure or counterclockwise to
decrease the pressure. Install the relief valve
cap.
6 Repeat steps 2 through 5 to confirm relief valve
pressure.
S-100 • S-105 • S-120 • S-125
Section 3 • Repair Procedures
MANIFOLDS
Tip-over hazard. Do not adjust
the relief valve higher than
specified.
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