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Maintenance: Fuel System
Fuel filter.
Drain
Stationary engine
1. Put a suitable vessel underneath the filter.
2. Drain water and contamination from the water trap
(1) through the tap (2) by pumping with the hand
pump (3) until clean fuel flows out.
2
3
1
1
2
3
Running engine (switchable filters only)
1. Shut off fuel to the filter to be changed (A).
2. Put a suitable vessel underneath the filter.
3. Open the tap (1) carefullly (pressure on the inside,
hot fluids might spurt out).
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 the procedure with the other filter.
6. Turn the handle to normal operating position (N).