Komatsu WA800-3E0, Руководство по эксплуатации и техническому обслуживанию

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MAINTENANCE
SERVICE PROCEDURE
4-57
2. Remove transparent cup (2) from the filter and inspect it. If
it is broken or damaged, replace it with a new part.
3. Clean transparent cup (2) and remove seal (3). Coat the
new seal with clean fuel or oil.
4. Install transparent cup (2) to the new filter cartridge.
Tightening torque for cup: 10 Nm (1.0 kgm)
5. Clean the filter holder, coat the seal surface of the new car-
tridge thinly with oil, then install the cartridge.
NOTICE
q
When adding fuel, do not remove cap (B). Always add
fuel from the 8 small holes (A) on the dirty side.
q
After adding fuel, remove cap (B) and install the fuel fil-
ter.
q
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 cap (B) when adding
fuel. Be careful not to let dirt or dust get into center
portion on the clean side.
6. When installing, tighten until the packing surface contacts the seal surface of the filter holder, then tighten it 3/
4 of a turn.
If the filter cartridge is tightened too far, the packing will be damaged and this will lead to leakage of fuel. If the
filter cartridge is too loose, fuel will also leak from the packing, so always tighten the correct amount.
q
When tightening with a filter wrench, be extremely careful not to dent or damage the filter.
7. Start the engine and run it at low idling for approx. 10 minutes until the engine speed stabilizes. Check for any
sucking in of air or leakage of fuel from the transparent cup and seal surface of the filter cartridge.
NOTICE
When replacing the fuel main filter cartridge, bleed the air after replacing the filter cartridge.
For details, see “REPLACE FUEL MAIN FILTER CARTRIDGE (4-62)“.
Do not fill the fuel main filter cartridge with fuel.