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SECTION 2 - OPERATION
2-132
BLEEDING REMOTE CYLINDERS
When connecting a cylinder with trapped air (i.e.,
a new cylinder, one that has been out of service,
or one that has had the hoses disconnected), it
will be necessary to bleed the cylinder to remove
the air.
With the hoses connected to the remote control
valve couplers at the rear of the tractor, position
the cylinder with the hose end uppermost and
extend and retract the cylinder seven or eight
times using the remote control valve operating
lever. Check the hydraulic tank oil level before
and after operating the remote cylinder.
OPERATING CONTINUOUS FLOW
HYDRAULIC EQUIPMENT
Continuous flow hydraulic equipment (i.e.,
hydraulic motors) should be connected to the
right-side (color-code gray) remote control valve
couplers with the pressure hose connected to
the upper coupler and the return hose connected
to the lower coupler. These are indicated by a
hydraulic motor symbol at the couplers with
counterclockwise rotation on the upper coupler
and clockwise rotation shown on the lower
coupler.
NOTE: There is a “zero return” line, 1,
installed next to the implement valve on the
right-hand side. This line runs directly back
to the hydraulic reservoir and is intended to
be used as a hydraulic motor case drain line.
Figure 2-179
1