FUEL
SYSTEM
Page
L4
GENERAL DESCRIPTION
The fuel system
tanks are situated in the rear comportment, one each side of the
engine under the floor ponelling. Recesses rnoulded into the body accommodate the
tanks and access holes, covered by large rubber bungs, are reached from under the car.
Two flush fitting filler caps are situated on the rear quarter panels; the filler
necks
are connected to the tank by rubber hoses retained with clips. A fuel gouge sender
unit
is
fitted in the tap of the ri
g
ht
-
hand tank and the tanks are cou
p
led via a con
-
nectin
g
pipe to bottorn of each tank. Ventilation of the tanks
is
via the filler caps on
European cars and via an evaparative loss
system on Federal vehicles.
lncorpomted in the fuel line
of some vehicles
is
a filter/flowback valve, which will
switch off the petrol when the ignition
is
switched off. An incident, such
OS
a
..
-.p
collision,
is
sensed by the inertia switch which when operated will need resetting.
One of two carburation systems are fitted to the engine, there
is
the twin dual
-
barrel
..
.
.
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TECHNICAL DATA or the paragraphs relating to the carburetters in this section.
The air cleaner
is
of the replaceable paper element type, where the element is
,F>.
sandwiched between the two halves of the airbax.
A
flexible hose connects the
j.
qirbax to atmosphere and on some vehicles twin flexible hoses are used to connect the
airbox to a pienum ciiamber, throu
g
h which air
-
is drawn.
CLEANING THE FUEL SYSTEM
-.
1.
Remove the air cleaner ond ciwn (or replace)?).
2.
Disconnect the fuel supply pipe to the carburetters and the filter/flowback
valve. Make sure the flexible fuel supply pipe from the pump does not fall
and allow
the fuel to droiri from the tanks.
3.
Replace the filter/flawlack valve
if
necessary.
Dellorto Carburetters
1.
Remove the screws retaining the iet cover and gasket on each of the
carburetters.
2.
Remove the main and idling jet asserriblies and blow the jets through using
an air line.
E
SPFliT
Issue
04/78
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