1-Way And 2-Way (Combined Function) Setting Of The Auxiliary Port 1 - XCMG XE17U Instruction Manual

1-way and 2-way (combined function) setting of the auxiliary port 1

Notice!
Notice!
B
09.2020
– According to the mode of operation of a given attachment, the
return flow of the hydraulic oil must occur either via the control
valve (2-way) or directly to the hydraulic oil tank (1-way). The
return change valve for direct return flow can be activated
mechanically
– The "1-way" switch position is used for hammering
attachments, such as a hydraulic hammer.
– The "2-way" switch position is used for rotating attachments,
such as a rotary gripper, an auger, etc.
– There is a selector valve on auxiliary hydraulic lines, it has two
switch positions.
– You can notice the handle carefully, there are two lines on it, these
two lines towards hoses which are connected together.(The handle
is in the spare parts box)
– Move the valve to the required position depending on the
mechanism of the attachment being used (rotary or breaking).
– When pull the handle to "A" position, the lines are set to "1-way"
A
mode: high pressure oil enters from the left side of the line, and
returns from the implement to the hydraulic oil tank from the right
side.
– When push the handle to "B" position, the lines are set to "2-way"
mode: high pressure oil can enter from both side of the lines.The
return flow is directed from the implement to the control valve and
then to the hydraulic oil tank. In this case, return flow can be via
the left or right auxiliary port connector of the arm.
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