Komatsu HB365LC-3 Operation & Maintenance Manual page 404

Hydraulic excavator
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MAINTENANCE PROCEDURE
NOTICE
When filling the filter cartridge with fuel, do not re-
move the cap (B). Always fill with fuel from small
holes (A) (8 places) on the dirty side.
After filling with fuel, remove the cap (B) and in-
stall the fuel filter.
Always fill with clean fuel. Be careful not to let any
dirt or dust get into the fuel. In particular, center
portion is the clean side, so do not remove the cap
(B) when filling with fuel. Be careful not to let dirt
or dust get into the center portion on the clean
side.
12. When installing the cartridge, tighten it until the packing surface contacts the sealing surface of the filter
head, then tighten it 1/2 to 3/4 turns.
REMARK
If the filter cartridge is tightened too much, the packing may be damaged and this will cause the leakage of
fuel. If it is not tightened enough, fuel will leak through the gap at packing. Be sure to observe the tightening
angle.
When tightening with a filter wrench, be extremely careful not to dent or damage the filter.
13. Check that the drain valve (2) is tightened securely.
14. Remove the plastic bag wrapping the connector (5), then connect the connector (5).
REMARK
If water gets on the connector (5), the sensor may
malfunction and the water separator caution lamp may
light up. When removing the connector (5), be ex-
tremely careful not to let water get on the connector.
If water sticks to the connector (5), dry it completely
before connecting it.
15. Turn the valve (1) at the bottom of the fuel tank to OPEN
position (O).
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MAINTENANCE

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Hb365nlc-3

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