Komatsu PC138US-11 Operation & Maintenance Manual page 245

OPERATION
• Arm operation
Move the L.H. work equipment control lever back and
forth.
You can operate the arm.
• Swing operation
Move the L.H. work equipment control lever to the right
and left.
The upper structure swings.
• Boom operation
Move the R.H. work equipment control lever back and
forth.
You can operate the boom.
• Bucket operation
Move the R.H. work equipment control lever to the right
and left.
You can operate the bucket.
• Blade operation (Machine with blade)
Operate the blade control lever back and forth.
You can operate the blade.
If the work equipment control levers are returned to NEUTRAL position when the machine is stopped, even if
the fuel control dial is set to High idle (MAX) position, the auto-deceleration mechanism works to reduce the en-
gine speed to the low speed.
MACHINE OPERATIONS AND CONTROLS
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