3-63
PC290-ENG
24.6.4 CLEAN AND INSPECT RADIATOR FINS, OIL
COOLER FINS AND CONDENSER FINS (ONLY
FOR MACHINES EQUIPPED WITH AIR CONDI-
TIONER)
If compressed air, steam, or water hit your body directly, there
is danger of injury. Always wear protective glasses. mask, and
safety shoes.
1. Open the engine hood and rear door on the left side of the machine.
Loosen bolts a and remove the radiator front cover.
2. Blow off mud, dust or leaves clogging the radiator fins and oil cooler
fins using compressed air.
At the same time, clean the net in front of the oil cooler. Clean the
condenser fins on machines equipped with the air conditioner. The
condenser is mounted on the front of the cooling package.
Steam or water may be used instead of compressed air. After clean-
ing, fix the cover with bolts a.
3. Check the rubber hose. Replace with a new one if the hose is found
to have cracks or to be hardened by ageing.
Further, check hose clamps for looseness.
NOTICE
To prevent damage to the fins, apply compressed air from an
appropriate distance. Damaged fins may cause water leakage or
overheating. In a dusty site, check the fins daily, irrespective of the
maintenance interval.
WARNING
24. SERVICE PROCEDURE
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