3.
Operate L.H. work equipment control lever (3) to swing the
upper structure.
(A): Swing LEFT
(B): Swing RIGHT
4.
When not performing the swing, turn swing lock switch (1)
ON (activated).
(a): ON position
(b): OFF position
5.
Check that swing lock pilot lamp (2) is lit.
METHOD FOR OPERATING WORK EQUIPMENT
WARNING
If the levers are operated when the engine speed is decreased by the auto-deceleration function, the en-
gine speed will suddenly increase. Operate the levers carefully.
Use the R.H. and L.H. work equipment control levers to operate the work equipment.
When the levers are released, they return to NEUTRAL position and the work equipment is held in that position.
• Arm control
Move the L.H. work equipment control lever back and
forth.
You can operate the arm.
• Swing control
Move the L.H. work equipment control lever to the right
and left.
The upper structure swings.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-192
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