Komatsu PC490LC-10 Operation & Maintenance Manual page 28

6. Caution when opening or closing front window (09839-03000)
WARNING - To open or close the front or ceiling window, never
stand up from the operator's seat before throwing the lock lever to
the LOCK position.
Inadvertently touching any of the working equipment control levers
might cause the machine to start moving all of a sudden, probably
resulting in a serious injury.
7. Caution when stowing front window (09803-03000)
WARNING - When raising window, lock it in place with lock pins
on both sides.
Falling window can cause injury.
8. Caution for high-temperature hydraulic oil (09653-03001)
WARNING - Hot oil hazard.
To prevent hot oil from spurting out:
• Turn engine off.
• Allow oil to cool.
• Slowly loosen cap to relieve pressure before removing.
9. Caution with high-temperature coolant (09668-03001)
WARNING - Hot water hazard.
To prevent hot water from spurting out:
• Turn engine off.
• Allow water to cool.
• Slowly loosen cap to relieve pressure before removing.
PC490LC-10
SAFETY
1-5