4-13
4. Bucket control
Operate the right pilot valve, the bucket will turn outward
when it is tilted to the right, and retract when it is tilted to
the left.
5. Boom deflection (steering head) control
Operate the left pilot valve, the steering head will turn left
when it is tilted to the left, and the steering head will turn
right when it is tilted to the right.
Make sure that the machine is in the boom deflection
mode before the boom deflection.
6. Operation of the bulldozer shovel
Push the bulldozing lever down, and the bulldozer shovel
cuts down.
When pulling up, the bulldozer shovel is lifted.
Note: There may be a pause during the operation of the stick. This phenomenon is not a mechanical
failure but a normal phenomenon of the excavator. During the stick operation, the self-weight speeds
up the action of the stick, which may cause insufficient fuel supply.
Right working device joystick
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...