SANY SY500H, Operation And Maintenance Manual

Page: 184 / 196

7-4
OPTIONAL EQUIPMENT
SY500H Excavator OMM
Return Flow Selector Valve
0004824
Figure 7-4
The return flow selector valve (1) has a one-way or a
two-way position for operating optional attachments. It is
on the left side of the hydraulic oil tank.
The return flow selector valve is adjusted as follows:
• Moving the select lever (2) toward the rear of the
machine (position shown) engages the one-way
flow position.
• Moving the select lever (2) toward the front of the
machine engages the two-way flow position.
A variety of optional one-way and two-way flow
attachments is available for use on this machine. A
breaker is an example of a one-way flow attachment, and
a shear is an example of a two-way flow attachment.
Optional Equipment Controls
WARNING
Do not operate the joystick control buttons when
you are not operating the attachments. Accidental
operation of an attachment could result in death
or serious injury.
Right and Left Joystick
0000818
Figure 7-5
The control switch and buttons on top of the left (1) and
right (2) joysticks are used to control the optional
equipment. See “Work Equipment Controls” on
page 4-22.
Monitor
The monitor is used to select optional equipment and
adjust hydraulic pressures of some of the equipment.
See “Tool Select Screen” on page 3-36.
1 2
1
2