Komatsu D475A-5E0, Operation & Maintenance Manual

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MAINTENANCE
SERVICE PROCEDURE
INSPECTION OF ADDITIONAL WATER SEPARATOR AND CLEANING OF CASING INTERIOR
(if equipped)
(Machine of poor fuel arrangement specification)
WARNING
When draining fuel from the water separator, prepare for a container used for catching drained oil and take care not to spill fuel.
Spilt fuel can cause fire, so wipe it off completely.
Fuel can pose danger as it is flammable. Never bring open flame near fuel.
NOTICE
When performing inspection and maintenance of the fuel system, the particularly careful not to let any dirt or dust get in. If there
is any dirt of dust around the fuel system, clean it off thoroughly with fuel before starting the operation.
To prevent dirt or dust from getting into the fuel circuit, remove all dirt and dust from the surrounding area before starting the
operation.
Prepare a container to catch drain oil.
1. Open inspection cover (1) on the left side of the machine.
2. Put a container under drain hose (2) to catch drained oil.
3. Turn fuel valve (3) to SHUTOFF position (S).
(2 places)
4. Loosen water drain plug (4) to completely drain fuel in the
casing.
5. If water is not drained, loosen air intake plug (5). (Width across
flats: 13 mm)
Then water is drained through drain hose (2).
6. Disconnect drain hose (2).
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