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200324 2-9
General
XE ENGINE FUEL SYSTEM
CF65/75/85 series
4
8
Fuel filter
The fuel filter consists of a filter housing (1) with a
screw cap (2) in which the filter element (3) is
secured. The inner section of the filter housing
contains a central tube (4) with a supply side (A)
and a permanent bleed side (B).
The fuel enters via connection (5) and is forced
through the filter element (3). Within the filter
element is the central tube (4) with the supply
side (A) and a permanent bleed side (B). Via
bores in the supply side (A), the filtered fuel
passes to the pump housing.
A small section of the fuel and any air present
enters via a calibrated hole (6) on the top of the
central tube (4) in the permanent bleed side (B)
and is led to the bottom of the filter housing.
At the bottom of the filter housing, a small amount
of fuel and any air present are mixed with the
leak-off fuel from the injectors (9) and the excess
fuel from the pump housing (10). In the
connection of the injector leak-off pipe is a banjo
bolt with an integrated non-return valve (11).
From the bottom of the filter housing, the excess
fuel and any air present go back to the tank (7).
AB
A
B
i400424
6
2
5
10
87
78
9
1
3
11
4
https://www.truck-manuals.net/
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