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MAINTENANCE
METHOD FOR CHECKING AND CLEANING RADIATOR FINS, OIL COOLER FINS,
AFTERCOOLER FINS, FUEL COOLER FINS, AND AIR CONDITIONER CONDENS-
ER FINS
If compressed air, high-pressure water, or steam hits your body directly or dirt is scattered by the com-
pressed air, high-pressure water, or steam, there is a danger of personal injury. Wear protective equip-
ment such as protective eyeglasses and dust mask.
NOTICE
•
When using compressed air for cleaning, blow it from some distance as perpendicular to the core
as possible to avoid damaging the fins. Damage on the fins can cause water leakage and overheat-
ing.
•
In a dusty job site, check the fins every day, regardless of the maintenance interval.
1.
Open the battery inspection cover on the left side of the machine.
2.
Remove the wing screws (1) (2 pieces) and remove nets
(2) and (3).
3.
Clean nets (2) and (3).
4.
Check the front and rear surfaces of oil cooler fins (4), ra-
diator fins (5), aftercooler fins (6), air conditioner condens-
er fins (7), and fuel cooler fins (8). If there is any mud, dirt,
or leaves stuck to the fins, blow it off with compressed air.
NOTICE
Steam or water may be used instead of the com-
pressed air. However, when performing powerful
steam cleaning (high-pressure machine wash) of the
heat exchange equipment (radiator, oil cooler, after-
cooler, fuel cooler, air conditioner condenser), main-
tain sufficient distance from the machine when per-
forming the work. If steam cleaning (high-pressure ma-
chine wash) is performed at close distance, there is a
danger that the internal fins of the heat exchange
equipment may be deformed, and this will cause early
clogging and breakage of the equipment.
WARNING
k
WENAM00111
MAINTENANCE PROCEDURE
4-53
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