Komatsu PC220LC -8 Operation & Maintenance Manual page 198

OPERATION OPERATION
For attachment operations (if equipped), change the working mode
to the attachment mode.
Attachment operation
18. Check that hydraulic oil temperature monitor (7) is displaying
the correct temperature.
If the hydraulic oil temperature monitor is not displaying the
correct temperature (it is displaying low temperature), repeat
Steps 6 to 10 until the display is the correct temperature.
(A) Display when temperature is correct: Monitor background
(B) Display when temperature is low: Monitor background (C)
If the hydraulic oil temperature monitor displays the correct temperature, the hydraulic equipment warm-up
operation is completed.
After confirming that the hydraulic oil temperature monitor displays the correct temperature, carry out the following
procedure.
One way (A) ←→ Other way (B)
(C) is blue
is white
MACHINE OPERATIONS AND CONTROLS MACHINE OPERATIONS AND CONTROLS
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