SECTION 35 - HYDRAULIC SYSTEM
35-7
CONTROL VALVE POWER BEYOND
Control valve, used on all skid-steer skid steers, has
a plugged power-beyond port, 1. This port is not nor-
mally used with New Holland-supplied attachments,
as these can be operated through the auxiliary boom
hydraulics (the third control valve spool), 2.
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To use the power-beyond port for a second oil supply
to additional attachments, remove the factory power-
beyond plug to access inner hole, 1. This hole must
be plugged to divert oil to the power beyond instead
of normal oil flow to the out port.
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Install part #236622 allen head type pipe plug in the
inner port, 1. Tighten the plug securely. A regular
O ring type fitting can now be inserted in the power-
beyond port.
IMPORTANT: Once the power-beyond fitting and
plug is installed, oil must be constantly returned from
the attachment valve into the return line, 2. If oil is
blocked at the power-beyond port, hydraulic system
overheating and component damage could occur.
Also, engine horsepower requirements will increase.
A tee fitting can be inserted in the return line at 2, for
attachment oil return.
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