Komatsu PC290LC-6K Operation & Maintenance Manual page 100

Hydraulic excavator
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12. OPERATION
7.
Turn fuel control dial
out the operation is Step 6 for 3 -5 minutes.
8.
Repeat the following operation 3 - 5 times and operate slowly.
Boom operation
Arm operation
Bucket operation
Swing operation
Travel (Lo) operation
REMARK
If the above operation is not carried out, there may be a delay in
response when starting or stopping each actuator, so continue the op-
eration until it becomes normal.
9.
Use working mode switch
working mode to be used.
2-56
to the full speed (MAX) position and carry
RAISE
LOWER
IN
OUT
CURL
DUMP
LEFT
RIGHT
FORWARD
REVERSE
on the monitor panel to switch to the
H/O
G/O
F/O
L/O
B/O

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