however, the lock cylinder have stuck, be careful
not
to destroy
the key.
Try
to
warm
up the lock in some way
until
the
ice
melts
and
the key can be
turned.
To
prevent
new ice
formation
the lock cylinder may be greased sparingly with ethylene glycol
or
Silicone
spray.
NOTE. Be
careful
to
protect
the
finish
from
glycol.
9. When refueling
at
temperatures below 0° C (32°
F),
the oil
should
be diluted
with
an equal
amount
of gasoline before
being
poured
into
the
tank. Use
preferably
Saab
oil or
other
two-
stroke
oils
but
avoid
the
so-called
outboard
oil.
Instead
an
ordinary
four-stroke oil Premium or H.D. oil (ML, MM and MS)
may
be used if
it
corresponds
with
the
new
API-system.
The special Saab-oil docs not need pre-mixing.
10. Do
not
change to using cold
spark
plugs as long as the hot
ones function satisfactorily. Consult your approved service shop
before
any
change.
Engine
The most favorable operating temperature of the engine is approx.
90° C
(195°
F)
i.e.
rather high on the thermometer scale range.
Keep
the
coolant
temperature
too
high
rather
than
too low. Do not
forget
to close the wheel housing openings behind the
radiator
when
the
cold
season
begins.
The engine should always be kept in a good operating condition.
For normal driving it should be decarbonized
after
every 30,000 km
(20,000 miles). Carbon deposits in combustion chambers, ducts and
exhaust system increase the exhaust resistance and impair the effi
ciency and economy of the engine. Carbonization can be reduced by
avoiding slow driving in top gear and by using oil and gasoline of
good
quality.
Decarbonizing and
other
major maintenance operations should be
carried
out
by an approved Saab service shop.
Fuel
System
Air
Filter
The
air
filter in the suction silencer should be replaced every 30,000
km (20,000 miles)
or
at
least
every
second year.
The
filter
element
should
be
protected
against
moisture
and
must
therefore
not
be
washed
or oiled.
It
may
be necessary, however, to
clean
the
interior
of the
filter
housing
(the
suction
silencer),
especially
when changing the filter element. This should be carried out carefully
in
order
to
avoid
impurities
falling
down
into
the
carburetor.
32
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