Duplex Fuel Preliminary Filter
Maintenance / Cleaning
A5.05. 07.12.02.02
750
M20/M32/M282/M332C/M452/M453C/M551/M552C/M601/M601C
en / 05.06.2000 IB022107 2/2
07
2.5 Put the filter element in a suitable cleansing liquid (e. g. “Filterclean” from Vecom).
The cleansing liquid must only reach up to the bottom edge of the top frame of the filter
element so that no contaminated liquid can enter into the clean space of the element.
Soaking time as required by the supplier of the cleanser, but maximum 8 hours.
2.6 Take the filter element out of the cleansing liquid. When withdrawing the internal and unprotected
straniners of an element, make sure that the gauze is not damaged.
Inspect all strainers on the inside and outside, because the individual strainers are con-
nected in parallel, and damage on only one strainer means malfunction ot the whole ele-
ment.
2.7 Blow compressed air through each strainer with the pistol (Fig. 2/W1) and clean the inside and
outside with a soft brush.
2.8 Flush the strainers with clean gas oil. Make sure that no contaminated gas oil can enter into
the clean space from the top.
2.9 Put a strong light behind the gauze and check the cleaning operation. Repeat it if necessary.
2.10 Telescope the strainers again and fit them in the filter chamber.
2.11 Fit the cover (check the gasket and renew it if necessary).
2.12 Fill the filter chamber and vent it (see the plate on the filter cover).
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