Komatsu PW130ES-6K Operation & Maintenance Manual page 166

MAINTENANCE.
Oil change:
Check or change oils in the places where dust is scarce to keep
foreign materials away from oils.
Warning tag:
Attach the warning tag to the starting switch or other appropriate
control lever to avoid someone who is not aware of the circum-
stances from starting the engine.
Obey precautions:
During the operation, always obey the precautions on the safety
label attached to the machine.
Welding instructions:
Turn off the engine starting switch.
G
Do not apply more than 200 V continuously.
G
Connect grounding the cable within 1 m from the area to be
G
welded.
Avoid seals or bearings from being between the area to be
G
welded and the position of roundin
Do not use the area around the work equipment pins or the
G
hydraulic cylinders as the grounding point.
Fire prevention
Use nonflammable cleaner or light oil for cleaning parts. Keep
flame or cigarette light away from light oil.
Clamp faces:
When O-rings or gaskets are removed, clean the clamp faces and
replace the 0-rings and gaskets with new ones.
Be sure to fit 0-rings and gaskets when assembling.
Objects in your pockets:
Keep your pockets free of loose objects which can fall out and
drop into the machinery; especially when you work on the
machinery while bending over it.
Checking undercarriage:
When working in rocky areas, check for damage to the undercar-
riage and for looseness, flaws, wear and damage in bolts and
nuts. Loosen the track tension a little when working in such areas.
Precautions when washing machine:
Never spray steam or water directly on the connectors and
G
mechatronics parts.
GUIDES TO MAINTENANCE
165