SANY SY155U, Руководство по эксплуатации и обслуживанию, Страница: 92 / 192

4-24
MACHINE OPERATION
SY155U Excavator OMM
Spot Turning
To the Left
0003599 and 0004371
Figure 4-42
Simultaneously push the right travel control lever (1) or
press the top of the right foot pedal (2) and pull the left
travel control lever (4) or press the bottom of the left foot
pedal (3) to rotate the machine to the left.
To the Right
Simultaneously push the left travel control lever or press
the top of the left foot pedal and pull the right travel
control lever or press the bottom of the right foot pedal to
rotate the machine to the right.
Work Equipment Control and
Operation
Pattern Change (SAE/BHL) Valve
Operation
The pattern change (SAE/BHL) valve changes control of
the boom and arm from one joystick to the other.
• In SAE (Society of Automotive Engineers) mode, the
arm is controlled using the left joystick, and the
boom is controlled using the right joystick.
• In BHL (Backhoe Loader) mode, the arm is
controlled using the right joystick, and the boom is
controlled using the left joystick.
To change the operating mode, see “Pattern Change
(SAE/BHL) Valve” on page 3-17.
Arm Control – SAE Mode
0003609 and 0004009
Figure 4-43
To extend the arm push the left joystick.
To retract the arm pull the left joystick.
Arm Control – BHL Mode
0003610 and 0004009
Figure 4-44
To extend the arm push the right joystick.
To retract the arm pull the right joystick.
Boom Control – SAE Mode
0003610 and 0004010
Figure 4-45
To raise the boom pull the right joystick.
To lower the boom push the right joystick.
2
1
4
3