EMISSION
CONTROL
SYSTEMS
You
and each subsequent owner of the car are urged to make sure
that
the
recommended maintenance procedures are carried
out
at the intervals specified .
In
order
for the emission controls to
con
tinue to function effectively, it is strongly
recommended
that
you arrange for regular maintenance inspections to be carried
out
by
your
Austin MG Dealer.
Fuel
To prevent air pollution by vapours from the fuel
tank
and
carburetter vents,
Evaporative
the control equipment stores the vapour in a charcoal filled cani ster while the
Loss
Control
engine is stopped
and
disposes
of
it via the engine crankcase emission control
system when the engine is running.
The
Passport to Service pro vides an inspection
and
maintenance schedule up to
50,000 miles or five years whichever first occurs, the period for which federal
law requires
that
the emission
control
systems shall continue to function effectively.
You
should have the maintenance record completed by your Austin
MG
Dealer
(or by
other
dealer or station equipped to render such service) at the regular
mileage intervals indicated in the Schedule. The
Handbook
and Passport to
Service should be
handed
to subsequent purchasers of the vehicle at the time of
sale so
that
the maintenance instructions are available and
that
the record of
maintenance can be continued.
You
are also urged to study with care the section covering
'MALFUNCTION
IDENTIFICATION'.
Study of this section will be of aid to you in detecting
possible malfunctions of the emission controls so
that
necessary service measures
can immediately be taken.
Each owner should consult the warranty applicable to this vehicle, found in the
Passport to Service, for those provisions applicable to the emission
control
systems. The warranty provides
that
the
manufacturer
guarantees to you
and
each subsequent purchaser
that
the emission
control
systems with which
your
car is equipped conformed at the time of manufacture with applicable regulations,
and
are free from defects in materials and workmanship which might cau se the
vehicle or engine to fail to conform with those regulations.
IMPORTANT
Your
atte
ntion is particularly drawn to the following:
1. Maintenance
and
service charges applicable to the emission control system are
not covered by the warranty
and
are
not
reimbursable, unless shown to have
been caused by defects in materials
and
workmanship covered by the warranty.
2.
Our
1972 Au stin
and
MG engine s have not been designed to operate on
lead-free or clear gasoline
and
use of such fuels cannot be recommended as
they could have a detrimental effect on engine components resulting in loss
of performance, excess exhaust emissions
and
possibly complete engine
failure.
The
fuel
tank
venting is designed to ensure
that
vapours are vented through the
control
system even when the car is parked on an inclined surface.
A capacity limiting device in the fuel tank ensures sufficient free capacity is
available after filling to accommodate fuel which would otherwise be displaced
as a result of a high temperature rise. The inclusion of a small separation
tank
in the
vapour
line prevents liquid fuel from being carried with the
vapour
to
the storage canister.
A capacity limiting device in the fuel
tank
ensures sufficient free capacity is
available after filling to ac
commodate
fuel which would otherwise be displaced
as a result of a high temperature rise. The inclusion of a small separation
tank
in the
vapour
line prevents liquid fuel from being carried with the
vapour
to
the storage canister.
10. Restricted connection
11. Air vent pipe
12. Breather pipe
control system even when the car'is
pa';\ed
"on
an
i~clined
'
surface.
Fig. 1 The layout
of
the fuel evaporative loss control system
Fuel
tank
Sealed fuel filler cap
Vapour
line
1.
2.
3.
4
This section gives a general description of the crankcase, exhaust
and
fuel
evaporative emission control systems fitted to this vehicle
and
the function of
their individual components.
It
must be emphasized
that
correct
carburetter
adjustment and ignition timing which have been pre-set at the factory are essential
for the efficient functioning of the exhaust emission controls. Should it become
necessary to check these
settings
this work should be carried out bv an Austin
50,000 miles or five years whichever first occurs, the period for which federal
law requires
that
the emission controlsystems shall continue to function effectively.
You
should have the maintenance record completed by your Austin
MG
Dealer
(or by
other
dealer or station equipped to render such service) at the regular
mileage intervals indicated in the Schedule.
The
Handbook
and
Passport
to
Service should be handed to subsequent purchasers of the vehicle at the time of
sale so
that
the maintenance instructions are available
and
that
the record of
maintenance can be continued.
Gen
e ral
descript
i
on
You
are also urged to study with care the section covering
'MALFUNCTI
ON
IDENTIFICATION'.
Study of this section will be
of
aid to you in detecting
possible malfunctions of the emission controls so
that
necessary service measures
1°
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..
3
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