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MAINTENANCE
2.
Remove the mounting bolts (4) of condenser (3) (2 places
each on the right and left).
3.
Hold the lower part of the condenser (3) and pull it back-
ward.
A gap is made between the condenser (3) and radiator (5).
4.
Clean the condenser with water through this gap.
5.
Restore the condenser (3) to the original position and in-
stall it with the mounting bolts (4) (2 places each on the
right and left).
6.
Close the engine side covers (1) and (2) on the right and
left sides of the machine.
METHOD FOR CLEANING RADIATOR FIN AND COOLER FIN
•
When the engine is running, do not open the engine side cover. When cleaning the fin, stop the en-
gine rotation completely.
•
If compressed air, high-pressure water, or steam hits your body directly or dirt is scattered by the
compressed air, high-pressure water, or steam, there is a danger of personal injury. Always wear
protective equipment such as protective eyeglasses and dust mask.
Perform this procedure if there is any mud or dirt stuck to the radiator.
METHOD FOR CLEANING FINS BY ROTATING COOLING FAN IN REVERSE
NOTICE
When rotating the fan in the reverse direction, beware extremely that dirt will not fly out and cloth, etc.
will not be wound in the fan.
Since dust may be blown up, check that there is no people around while the fan is rotating in reverse.
On the job site where the dirt sticks easily to radiator or cooler, set the automatic cooling fan to rotate the fan in
reverse. This will blow off any dirt stuck to radiator or cooler, and can extend the cleaning interval.
METHOD FOR REVERSING MANUAL OPERATION FAN
NOTICE
•
Never rotate the fan in reverse by hand when performing the operation.
•
Before operating the manual reverse rotation of the fan, set the engine speed to low idle.
For the manual reverse rotation of the fan, see "RADIATOR FAN MANUAL REVERSE MODE (3-59)".
•
After reverse rotation of the fan is started, set the engine speed to high idle.
•
Set the high idle operation time as follows, depending on the clogging level.
Ordinary clogging: 1 to 2 minutes
Excessive clogging: 2 to 3 minutes
When the cleaning is completed, set the engine speed to low idle and restore the rotation of the fan to normal.
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WARNING
MAINTENANCE PROCEDURE
4-29
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