Method For Swinging Machine - Komatsu PC290LC-11 Operation & Maintenance Manual

MACHINE OPERATIONS AND CONTROLS
COUNTER-ROTATION TURN
• Counter-rotation turn to left
1.
Pull the left travel lever toward you.
2.
Push the right travel lever forward.
The machine make a counter-rotation turn to the left.
• Counter-rotation turn to right
1.
Pull the right travel lever toward you.
2.
Push the left travel lever forward.
The machine make a counter-rotation turn to the right.

METHOD FOR SWINGING MACHINE

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• The tail of the machine extends outside the tracks.
Check that there is no one around the machine before
operating the swing.
• If the travel 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.
When swinging the upper structure, do as follows.
1.
Before swinging, turn swing lock switch (1) OFF (can-
celed).
(a): ON position
(b): OFF position
2.
Check that swing lock pilot lamp (2) is not lit.
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WARNING
OPERATION