Komatsu PC490LC - Method for Swinging Machine

• (A): Forward left turn
Return the left travel lever from FORWARD to NEUTRAL
position.
The machine turns forward LEFT.
• (B): Reverse left turn
Return the left travel lever from REVERSE to NEUTRAL
position.
The machine turns in reverse LEFT.
REMARK
When turning to the forward RIGHT, return the right travel lever
from FORWARD to NEUTRAL position. When turning to the re-
verse RIGHT, return the right travel lever from REVERSE to
NEUTRAL position.
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
kk
WARNING
• 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.
OPERATION MACHINE OPERATIONS AND CONTROLS
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