Komatsu GALEO BR550JG-1, Operation & Maintenance Manual

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MAINTENANCE
SERVICE PROCEDURE
CLEAN HYDRAULIC TANK STRAINER
WARNING
The parts and oil are at high temperature immediately after the engine is stopped, and may cause burns. Wait for the
temperature to go down before starting the work.
When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
1. Remove 4 bolts, then remove cover (1). When doing this, cover
(1) may fly off because of the force of spring (2), so keep the
cover pushed down when removing the bolts.
2. Hold the top of rod (3) and pull up to remove spring (2) and
strainer (4).
3. Remove any dirt stuck to strainer (4), then wash it in clean
diesel oil or flushing oil. If strainer (4) is damaged, replace it
with a new part.
4. When installing, insert strainer (4) into protruding part (5) of the
tank, and assemble.
5. Install cover (1) with bolts.
CLEAN ENGINE BREATHER
WARNING
The parts and oil are at high temperature after the engine is stopped, and may cause serious burns. Wait for the temperature
to go down before cleaning the engine breather.
When using compressed air, there is a hazard that dirt may be blown up and cause serious injury.
Always use safety glasses, dust mask, or other protective equipment.
1. Wipe away dust around the breather.
2. Loosen the clamp and remove the hose. Remove breather (1).
3. Clean the breather body with light oil or cleaning oil.
4. Replace O-ring with new one. Coat a new O-ring with engine
oil, set it, then install breather (1).
5. Check the breather hose and pipe. If caked oil (sludge) adhere
to insides, replace the hose and pipe with new parts.
CLEAN, CHECK TURBOCHARGER
Contact your Komatsu distributor for cleaning and inspection.
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