Daf LF.book - Peterbilt Motors Company

Inspections and Maintenance
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D0 00 620
DRAINING THE WATER SEPARATOR
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When draining the water separator, an amount of fuel will escape.
Collect the fuel and avoid the risk of fire.
Water in the fuel system may lead to significant damage.
1. Place a container beneath the water separator.
2. Remove the connector.
3. Unscrew the ring-shaped drain cock (B) on the bottom of the water separator in
anti-clockwise direction.
4. Drain the filter until pure diesel fuel comes out of the drain cock (A).
5. Turn the drain cock (B) if it abuts, another 1/8 - 1/4 turn.
6. Check the drain cock (B) for leakage.
7. To prevent pollution, the drained water/diesel fuel mixture should be passed to
the relevant authorities for reprocessing.
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