Komatsu WA600-8 Operation & Maintenance Manual page 482

HANDLE STEERING WHEEL SPEC MACHINE
9)
When the maintenance time caution lamp lights up in
red, press the menu switch and "Maintenance" menu
screen is displayed.
For "Maintenance" menu screen and the remedies,
see "MAINTENANCE SCREEN SETTING (3-82)".
Maintenance time caution lamp is lit for 30 seconds.
10. Check that the work equipment lock pilot lamp is lit on ma-
chine monitor (7).
When the work equipment lock pilot lamp is not lit, press
(a) of work equipment lock switch (13) to make the work
equipment lock pilot lamp light up and lock the work equip-
ment.
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ATTACHMENTS AND OPTIONS