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Fi!tel s-conttnued
Page G2
Maintenance.
Examine, replenish oil and clean in accordance
with periodical attentions. Section F.
Remove oil container and empty out the oil.
Scrape out all accumulated sludge and thorough-
ly wash in paraffin or fuel oil
Inspect the wire gauze and if necessary remove
filter body from installation and wash in paraffin
or fuel oil. Allow to drain before re-assembly.
Refill oil container to the level indicated (do
not overfill) and re-assem bIe to filter.
Fig. GJ
Fig. GS
IMPORTANT
NOTE
Tbe efficiency of tbe cleaner is sucb tbat if tbe
cleaning of tbe filter is not carried out at appro-
priate intervals, engine performance will be serious-
ly atfected, because tbe presence of irnpurities in
tbe cleaner will restrict tbe air passage.
In tbe event of engine performance being below
par it is a good plan first to cbeck up on tbe cleaner
to ascertain if clogging of tbe filter is tbe cause.
FUEL ou. Fll..TERS
Of all the factors on which satisfactory operation
of a Diesel engine depends, cleanliness of fuel oil
is the most important. The efficient operation
and length of life of the fuel pump elements and
of the atornisers, depends, fust, on the use of clean
fuel oil ; second, the provision of suitable filters;
third, attention to these filters.
Protection fot the Perkins L4 engine is provided
by the following filters, re-ading from the tank to
the pump.
(1) Water Trap.
(2) Pre-filter.
Fig. G4.
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