20A FUEL SYSTEM
There are three types of fuel filter element in use:
The separate element type (A) or (B) where the
filter element is held between the filter head and the
bottom cover.
The canister type (C) where the filter element has
an internal thread at the top and is fastened to a
threaded adaptor in the filter head.
A fuel filter with a quick release canister (D), a
quick release clamp ring at the top which is
fastened to a thread on the filter head. Some
engines are fitted with a pre-filter of the same type.
This filter is fitted next to the main filter, but
connected in the fuel system before the fuel lift
pump.
Some of the latest engines have a clean side return
system. Spill fuel from the fuel injection pump and
atomisers is returned directly to the inlet side of the
fuel injection pump instead of the fuel filter inlet.
Fuel filter element
To renew20A-01
Cautions:
•
It is important that only the genuine Perkins fuel
filter element is used. The use of a wrong
element can damage the fuel injection pump.
•
Do not allow dirt to enter the fuel system. Before
a connection is disconnected, clean thoroughly
the area around the connection. After a
component has been disconnected, fit a suitable
cover to all open connections.
To renew the filter element of the separate
element type:
The filter can have one or two elements (A) or (B).
When twin elements are fitted, both of the elements
must be renewed at the same time.
PL009
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PA248
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PA249
20A.04 Perkins Phaser/1000 Series, April 1995
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