H11O586A
2. To contract the cylinder, operate
the lever to the opposite direc-
tion of the expansion. Then, the
hydraulicuidissuppliedfromthe
hydraulic pump to the hydraulic
port which is not connected, and
the pressure rises as the port is
blocked. However, this pressure is
released as the relief valve opens.
3. When the cylinder is contracted,
the hydraulic fluid returned from
(2) Double Acting Cylinder
It is recommended to use the
double acting cylinder instead
of the single acting cylinder if
the implement will be operated
frequently and continuously.
If using the single acting cyl-
inder too frequently or for an
extended period of time, the
hydraulic fluid can be over-
heated, resulting in deteriora-
tion of the hydraulic parts’ du-
rability as the main relief valve
opens at cylinder contraction.
•
IMPORTANT
the cylinder is drained to the trans-
mission through the draining circuit
as the operating lever is operated
to the opposite direction from the
expansion position.
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