Komatsu PC350LC-8, Operation & Maintenance Manual

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MACHINE OPERATIONS AND CONTROLS
OPERATION
3-148
13. Check that the hydraulic oil temperature monitor and
engine coolant temperature monitor are displaying the cor-
rect temperature, then check that all the gauges and cau-
tion monitors on the machine monitor are in the following
status.
q
Radiator coolant level monitor (8): OFF
q
Charge level monitor (9): OFF
q
Engine oil pressure monitor (10): ON
q
Engine oil level monitor (11): OFF
q
Air cleaner clogging monitor (12): OFF
q
Water separator monitor (13): OFF
q
Engine pre-heating monitor (14): OFF
q
Engine coolant temperature gauge (15): Indicator in
green range
q
Engine coolant temperature monitor (1): Displays cor-
rect temperature
q
Hydraulic oil temperature gauge (16): Indicator in
green range
q
Hydraulic oil temperature monitor (7): Displays correct
temperature
q
Fuel gauge (17): Indicator in green range
q
Fuel level monitor (18): Displays appropriate level
14. Check for abnormal exhaust gas color, noise, or vibration.
If any problem is found, contact your Komatsu distributor.
In cold temperatures (ambient temperature below 0 °C), even when the hydraulic oil temperature monitor displays
the correct temperature, carry out additional Step 15 to warm up all the hydraulic equipment.
15. Turn fuel control dial (4) to the full speed (MAX) position,
repeat Steps 6 to 9 for 3 to 5 minutes, then check again
that the hydraulic oil temperature monitor is displaying the
correct temperature.
If it is not displaying the correct temperature, repeat Steps
6 to 9 for 3 to 5 minutes until hydraulic oil temperature
monitor (7) displays the correct temperature.
(A) Display when temperature is correct: Monitor back-
ground (C) is blue
(B) Display when temperature is low: Monitor background
(C) is white