OPERATOR'S MANUAL

MAINTENANCE60
BChecking Radiator and Oil Cooler
To avoid personal injury;
A Always stop the engine and remove the key
before checking the radiator.
A Wear eye protection when cleaning with
compressed air.
A Replace all water hoses every two years.
A Inspect all water hoses daily.
Have the excavator repaired immediately if any
of the following defects are discovered.
(Such defects may cause burns or injury. They
may also cause engine failure or serious
engine damage.)
A Scratches, cracks or swelling in water
hoses.
A Water leaks at joints or connecting points.
A Missing or damaged water hose protective
sleeve or grommet.
A Loose mounting bolt, damaged bracket.
A Do not touch the water hoses or the heater with
your hand. You may get burned.
A If the window fails to defrost in extreme
conditions or becomes cloudy when
dehumidifying the CAB, remove moisture with
soft cloth.
A Never block all of the air outlets, system
malfunction may occur.
1. Check to see if the condenser fins are clogged with
dirt. If so, loosen the bolts and tilt the condenser.
Remove the dirt using compressed air or a hose.
Tilt down the stopper in the direction to the locked
position. When cleaning, wear eye protection. Tilt
down the oil cooler by loosening the two bolts to clean
easily.
2. Check the rubber hoses for damage and replace if
cracked or old. Check if the hose clamps are tight
enough.
(1) Radiator
(2) Oil cooler
(3) Bolt
(4) Stopper
(1) Radiator
(2) Oil cooler
(3) Stopper
(1) Hose clamp
(2) Rubber hose