Komatsu GD555-5 Operation & Maintenance Manual page 281

SERVICE PROCEDURE
(1) Lower part of the cooling room
(2) Lower part of the engine room
(3) Surrounding area of the turbo charger
After cleaning, close engine side covers (8) and covers (9) on the right and left sides of the machine respectively.
In addition, clear the flown dirt, etc. off from around the machine.
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(4) Surrounding area of the exhaust manifold
(5) Upper part of the engine hood
MAINTENANCE