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Maintenance. Fuel system
Fuel filter
Drain
WARNING! Hot fuel can cause burns.
Stationary engine:
1. Put a suitable vessel underneath the filter.
2. Open the tap (1) and drain water and contamina-
tion from the water trap (2) by pumping with the
hand pump (3) until clean fuel flows out.
Running engine (switchable filters only):
1. Shut off the fuel flow to the filter to be drained (A).
2. Put a suitable vessel underneath the filter.
3. Cautiously open the tap (1).
4. Drain water and contamination from the water
trap by turning the handle to venting position (B).
Tighten the venting nipple when clean fuel flows
out.
5. Repeat with the other filter.
6. Turn the handle to normal operating position (N).
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