so
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 (!Circulation 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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