Komatsu PC308USLC-3E0 Operation & Maintenance Manual page 82

DETAILED CONTROLS AND GAUGES
Maintenance Switch
Switch (6) is used to check the time remaining until maintenance.
When switch (6) is pressed, screen on the monitor display
changes to the maintenance screen, as shown in diagram on
the right.
The time remaining until maintenance is indicated by the color of
each monitor display. After confirming the maintenance time,
perform the maintenance.
White display: More than 30 hours remaining until maintenance
Yellow display: Less than 30 hours remaining until maintenance
Red display : Maintenance time has already passed
NOTICE
1. If monitor display portion GG changes to the maintenance timing
warning screen when the engine is started or when the machine is being
operated, stop operations immediately.
2. Press switch (6) to display the maintenance screen.
Perform maintenance for any location indicated by the monitor that has
lighted red.
Maintenance display items are as follows:
Monitor
Maintenance item
No.
01 Change engine oil
02 Replace engine oil filter
03 Replace fuel main filter
41 Replace fuel pre-filter
04 Replace hydraulic oil filter
05 Replace hydraulic tank breather
07 Check damper case oil level, add oil
08 Change final drive case oil
09 Change swing machinery case oil
10 Change hydraulic oil
If it is desired to change settings for the maintenance interval, have your Komatsu distributor change the settings.
3 - 26
Default set
screen (H)
500
500
1000
500
1000
500
1000
2000
1000
5000
OPERATION