![background image](http://html2.mh-extra.com/html/yuchai/u27/u27_instruction-manual_4668501050.webp)
3-7
Operation of working device and rotation mechanism
⚫
Operation of excavation equipment and
platform rotation mechanism
⚫
Operation of excavation equipment and
platform rotation mechanism
A. Left pilot valve handle
Stick control:
the stick extends when pushing upward,
and retracts when pulling backward.
Platform ro
tatio
n
:
the platform turns right when
swinging to the right, and it turns left when swinging to the
left.
Boom rotation:
the boom turns right when swinging to
the right, and it turns left when swinging to the left.
B. Right pilot valve handle
Boom control
:
lower the boom when pushing forward,
and lift when pulling back.
Bucket control
:
the bucket turns outwards when
swinging to the right, and turning inwards when swinging
to the left.
⚫
Selection and control of rotation and
deflection (this hand button switch
handle mode can be selected)
Rotation and deflection are controlled by the right pilot
handle It is rotation action by default
Press key 1 to execute deflection action
Press key 2 to reset and execute the default rotation
action
Note: If the right control box is equipped with a deflection
switch, there is no such setting here.
Left working device
joystick
Right working device
joystick
Right pilot joystick
Key 1
Key 2
Summary of Contents for U27
Page 1: ...U27Hydraulic Excavator Instruction Manual Guangxi Yuchai Heavy Industry Co Ltd...
Page 5: ...1 1 Preface...
Page 17: ...2 1 Safety regulations...
Page 44: ...3 1 Parts introduction...
Page 49: ...3 6 Panel meter Oil level pointer Timing display Water temperature pointer Indicator area...
Page 55: ...4 1 Operation guide...
Page 89: ...5 1 Maintenance...
Page 130: ...6 1 Accessories guide...