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FORD MODEL A
Gas mix ure too
rich
or
too lean.
Sec carburetor
adjustment
instructions,
pages 24
and
25.
Water
in gasoline,
drain sediment
bulb
and carburetor
as
described on page
22,
Engine Stops
Suddenly
Gasoline
ank empty.
Dirt in fuel line or carburetor.
See
instructions
on page
22.
Gas
mixture
too lean. See adjustment
of carburetor,
pages
24
and 25.
Engine Overheats
Lack
of
water-radiator
shouJd
be kept
well fil1ed.
Lack of oil-check
oil
level as
described on page 5.
Fan belt loose or slipping, See fan belt adjusttr..ent,
page 19.
Excessive
carbon deposit
on
pis
on heads and
in combustion
chamber.
This can
be corrected
by
aking off
the cylinder head
and
removing
the
carbon,
(Ford dealers
are equipped
for
this
work).
Incorrect
spark liming. See
ignition timing page
28.
Gas mixture too
rich.
See
adjustment
of carbmetor,
pagc:s
24
and 25.
·
Water
(!C
irculation
retarded
by sediment
in
radia
or.
(Sec
Cleaning
he Radiator,
page
19.)
Engine Knocks
Carbon
knock-caused
by a deposi
of
carbon in combustion
chamber
and on piston
heads.
Take
off cylinder
head and
remove carbon.
Ignition
knocks
-
u1mally occur when the car is suddenly
accelerated
or when ascending steep grades or
travelling
through
heavy
sand with the spark lever fully
advanced.
Slightly retard-
ing
the spark lever elimina es the knock. The spark should be
advanced as soon as normal
road
conditions are
encountered.
For
normal driving the
spark
lever should be carried
abou
half way
down
the quadrant.
Engine
overheats.
Check conditions
listed under
"Engine
Overheats.''
Loose bearing.
If a bearing
has become loose it should be
adjusted
by an authorized
Ford mechanic.
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