CLEAN AND CHECK RADIATOR FINS AND OIL COOLER FINS
If there is any mud or dirt stuck to the radiator or oil cooler, clean them.
Check the rubber hoses. If they are cracked or fragile, replace them. Also, check the hose clamp for looseness.
METHOD FOR CLEANING FIN BY ROTATING HYDRAULIC DRIVE FAN IN RE-
VERSE
NOTICE
When the hydraulic drive fan rotates in reverse, take extreme care of scattering of dust.
When stopping the engine during the Fan Reverse Mode, first run the engine at low idle, then stop it.
The dust and dirt stuck to the radiator and cooler can be blown out by rotating the cooling fan in the reverse
direction.
1.
Turn starting switch (1) to OFF position and stop the en-
gine.
2.
Fully open engine side covers (2) on the right and left of
the machine and lock them.
3.
Turn starting switch (1) to ON position.
4.
On the user menu, set Fan Reverse Mode.
For setting of Fan Reverse Mode, see “REVERSE HY-
DRAULIC FAN (3-72)”.
MAINTENANCE PROCEDURE MAINTENANCE
4-32
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