25
Valve Operation
Refer to Figure 4-8 for valve locations and the
hydraulic diagram in Figure 4-15. The valves are
labeled on the valve manifold as A, B, C, FA and FB.
The platform down valve is located at the base of
the lift cylinder.
Steering Valve Right (A): Pressing the
ENABLE and
the thumb steering switch to the right energizes the
steering valve, causing the steering cylinder to
extend and execute a right turn.
Steering Valve Left (B): Pressing the
ENABLE and the
thumb steering switch to the left energizes the
steering valve, causing the steering cylinder to
retract and execute a right turn.
Lift Valve (C): Pressing the
ENABLE and UP
pushbuttons energizes the platform lift valve,
causing the lift cylinder to extend.
Down Valve (D): Pressing the
ENABLE and DOWN
pushbuttons energizes the platform down valve. Oil
flows back into the reservoir, causing the lift cylinder
to retract.
Steering Speed Adjust Valve (FA): Adjust to control
left turn – steering cylinder retraction rate.
Steering Speed Adjust Valve (FB): Adjust to control
right turn – steering cylinder extension rate.
Figure 4-8. Valve Operation
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