OPERON D 850 SURGICAL TABLE
PRINCIPLES OF OPERATIONS
Rev. 1 700000120
3-3
Figure 3-5 Floor Lock System Operation
MANIFOLD VALVE DESCRIPTION
The drawing below illustrates the valve slice
used for all hydraulic manifolds except the foot
lock. Table 4-1 describes the operating range
for the valves.
The manifold valves are 3 way directional
control valves with pilot operated check valves
and integrated return throttles (A and B). The
pilot operated check valves enable the actuator
to be stopped and held in position, even under
external loading.
Valves are field replaceable, but they do not
contain any field replaceable parts. Field
replacement of the valve may allow
contamination to enter the system and is
therefore discouraged.
The pressure switches are field replaceable.
However, field replacement of the switch may
allow contamination to enter the system and is
therefore discouraged. The plugs on the
pressure switches should never be rotated.
Always pull them straight off to avoid damaging
the switch and the harness.
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