BIO RAD 400-0174 Provozní pokyny Strana 312

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Maintenance - Engine
312
Pos: 26.18 /BA/ Wartung/Selbstf ahrer/Motor Big M 400/Kraftstoff -Filtereinsatz ersetzen @ 0\ mod_1196778 039093_78.doc @ 14637
13.6 Replacing the fuel filter element
Warning!
Rupture in fuel return line
Effect: Danger of fire
After completing maintenance and repairs or replacing the fuel filter, the
three-way cock must be turned back to operating position, because
otherwise, if the return line is closed and the engine is running, pressure will
build up in this line which can cause the line to burst. This results in a fire
hazard inside the engine compartment.
Fig. 280:
Close the fuel return valve (2) at the fuel prefilter (1).
Set the three-way valve (3) (right engine side in direction of travel) to pos. II, so that the
fuel runs out of the filter housing. Collect the fuel in a suitable vessel.
Unscrew the screw cap (4) with the filter element.
Replace the filter element and the sealing ring.
Screw in and tighten the screw cap (4) with filter element. Torque 25 Nm
Set three-way cock (3) to pos. I, so that the return line is closed (as in initial position).
Open the fuel return valve (2) at the fuel prefilter.
Note
For further information please refer to the engine manufacturer’s operating
instruction included with delivery (chapter on replacing the fuel filter insert)
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BM 400 0164
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