Komatsu D155AX-8E0, Operation & Maintenance Manual

Page: 343 / 420

8.
Turn starting switch (1) to OFF position and stop the en-
gine.
9.
Close the right and left engine side covers.
REMARK
• If dirt is caught in the radiator fins, blow with compressed air to clean.
• In a cold circumstance, perform the cleaning by Fan Reverse Mode within less than 5 minutes.
If the fan reverse rotation is performed for a long time, DEF hose may freeze.
CLEAN WITH COMPRESSED AIR
k k
WARNING
• 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.
• When performing cleaning, always stop the engine and check that the fan is not rotating. If you
touch the fan when it is rotating, it will cause serious personal injury or death.
NOTICE
When using compressed air for cleaning, blow it keeping some distance to avoid damaging the fins.
Damage on the fins can cause water leakage and overheating. In a dusty job site, check the fins every
day, regardless of the maintenance interval.
METHOD FOR CLEANING RADIATOR FIN
1.
Remove bolts (1) at the 4 corners and center of the radia-
tor grille.
2.
Open radiator grille (2).
REMARK
When opening the radiator grille, pitch the blade forward
(in direction (F)) and then lower it to the ground, and you
can secure a wider work space.
3.
Loosen bolts (4) (4 pieces) of covers (3) on both sides of
the radiator guard.
4.
Remove cover (3).
And the cleaning hole is seen. You can inspect and clean
the radiator fins through that hole.
5.
Blow off mud, dirt, leaves, etc. in the radiator fins with com-
pressed air.
MAINTENANCE MAINTENANCE PROCEDURE
4-31