MACHINE OPERATIONS AND CONTROLS OPERATION
3-148
SWINGING 3
WARNING
q The tail of the machine extends outside the tracks. Before operating the swing, check that the area
around the machine is safe.
q If the lever is operated when the engine speed has been lowered by the auto-deceleration function, the
engine speed will suddenly rise, operate the levers carefully.
1. Before starting the swing operation, turn swing lock switch
(1) OFF and check that swing lock monitor (2) has gone
out.
(a): ON position
(b): OFF position
2. Operate left work equipment control lever (3) to swing the
upper structure.
(A): Left swing
(B): Right swing
3. When not using the swing, turn swing lock switch (1) ON.
Check that swing lock monitor (2) lights up.
(a): ON position
(b): OFF position
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