Komatsu PC450-8 Operation & Maintenance Manual page 204

MACHINE OPERATIONS AND CONTROLS
q
Travel (Lo) operation
For attachment operations (if equipped), change the working
mode to the attachment mode.
q
Attachment operation
18. Check that hydraulic oil temperature monitor (7) is display-
ing 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 temper-
ature.
(A) Display when temperature is correct: Monitor back-
ground (C) is blue
(B) Display when temperature is low: Monitor background
(C) is white
If the hydraulic oil temperature monitor displays the correct temperature, the hydraulic equipment warm-up opera-
tion is completed.
After confirming that the hydraulic oil temperature monitor displays the correct temperature, carry out the following
procedure.
3-138
FORWARD (A) ←→ REVERSE (B)
One way (A) ←→ Other way (B)
OPERATION