Komatsu PW180-7E0 Operation & Maintenance Manual page 351

Wheeled excavator
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Maintenance
9. After completing replacement of filter cartridge (1), attach
connector, then bleed the air. When bleeding the air, carry
out the procedure in steps 10 - 14.
10. Open valve (5) at the bottom of the fuel tank.
11. Fill the fuel tank with fuel (to position where the float is at the
highest position).
12. Loosen the knob of feed pump (2), pull it out, then pump it in
and out until the movement becomes heavy.
After the engine runs out of fuel, use the same procedure to
operate feed pump (2) and bleed the air.
13. Push in the knob of feed pump (2) and tighten it.
14. After replacing filter cartridge (1), start the engine and check
that there is no leakage of fuel from the filter seal surface.
REMARK
If water gets on the connector the sensor may malfunction and
the water separator monitor may light up. When removing con-
nector be extremly careful not to get any water on the connector.
If water gets on the connector, dry it thoroughly before connect-
ing it.
PW180-7E0 – VEAM400102
4.11 Maintenance procedure
Every 500 hours service
GK018270
4-77

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