
Maintenance - Engine
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Pos: 26.16 /BA/ Wartung/Selbstf ahrer/Motor Big M 400/Kraftstoff vorfilter / Wasser abscheider @ 0\mod_11 96777562765_7 8.doc @ 14618
13.5 Fuel filter/water separator
Fig. 279:
The fuel prefilter cleans fuel. The fuel supply valve (2) can be used to interrupt the fuel supply
from the tank to the engine, e.g. for maintenance and repairs of the fuel system and for
replacing the fuel prefilter.
13.5.1 Replacing the fuel filter
• Close the fuel supply valve (2) (turn to the right).
• Unscrew the filter pan (1).
• Clean the filter pan and filter insert, if there is a heavy accumulation of dirt or damage,
replace the filter insert.
• Check the seal ring for the filter pan and replace it if necessary.
• Wet the seal ring with diesel fuel and set it in place.
• Place the filter insert in the filter pan and screw the filter pan (1) on the filter housing.
• Open the fuel supply valve (2) (turn to the left).
13.5.2 Empty the water separator
• The water that is present in the fuel is collected in the inspection glass (3).
• Drain the collected water by loosening the drain screw (4) and capture it in a container.
Pos: 26.17 /BA/-----Seitenu mbruch------ @ 0\mod_119617 5311226_0.do c @ 4165
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