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Komatsu PC138US - Swinging

Komatsu PC138US
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OPERATION
MACHINE OPERATIONS AND CONTROLS
SWINGING
WARNING
The rear of the machine extends outside the track width. Before swinging, check with the rear-view monitor and mirrors, and
also check visually that the surrounding area is safe.
When the auto-deceleration has been actuated and the engine speed is low, if the control lever is operated, the engine speed
will suddenly rise, so be careful when operating.
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
3 - 156

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