South Bend news-times. (South Bend, Ind.) 1913-1938, 1919-10-19


NE heatedly grinds away and the
motor fails 10 start II is easy
enough 10 preserve "a scientific frame
OF mind 50 long as one has some
other fellows trouble 20 deal with.
but II IS quite another matter when
repeated breathless spinning Of the
crank or starter operation brings no
result and in sheer Generalization
one is attempted 20 suspect spark
plugs known TO be clean. batteries
known 20 be fresh. and other units
which were in perfect working or
der up 20 the instant carburetor
work began.
The human mind is incapable Of
retaining more than limited num-
Der Of ideas az once. and the stress
of one dominant sensation or ex-
perience may for the moment drive
out Of mind other ideas which in
calmcr moments would be accorded
their due weight IL follows that
when YOU are telling your neighbor
how 20 adjust his carburetor YOU can
split hairs all YOU like. but when
YOU are adjusting your own your
formulas cannot be too simple.
Many Factors Govern.
We often read or see accounts
in the magazines Of motorists that
average So 10 40. and in some cases
as high as so miles per gallon of
gasoline. One always reads those
articles and Immediately becomes
skepticaI in his comments. because
he does not understand just how IT
IS done There are. of course. "a
number Of factors that govern this.
and If the s<eptical mind would
take the trouble 20 look up some OF
these people or write them. he
would ind out that such mileage
has been obtained lie would also
find out that this economy OF gaso-
line is achieved through proper care
and adjustment OF the carburetor.
Invaria bly when the car develops
the characteristics of a mule. the
first object Of attack by the opera
tor is the Carburetor The trouble
may be elsewhere. bat the poor old
carburetor must worry along with
its new adjustments. regardless OF
whether they are good. bad or 9TH
erxise II 10 a familiar OccuranCe
10 see a motorist. riding easily, en-
ioying the beauties of nature. and
when coming 10 a hill he seizes the
opportunity 20 open her mp a bit;
everything is fine and he is about TO
skim over the crest OF the hill when
suddenly YOU hear munled pop. "
pop" The carburetor starts spit
ting and the car Immediately slows
down. due Ca a loss Of power
May Lose His Temper.
Here the motorist viii lose his
temper. and his energy d. immedi-
ateIy switched To useless flow OF
words. and needless 90 say.
these will not adjust the diHiculty
In locating trouble OF this kind. ono
should employ tho method OF Look.
Listen and Think" for locating car
luretor trouble is no necessarily
iten detective work. Carburetor ills
are hard Co diagnose and usually
confusing 90 the lay mind. because
they are so mucn alike. bur never
thelcss each trouble has certain
combination of symptoms that in
oicatc the particular trouble The
following simple rules for adjust
lrcnt apply 10 practically an car
uurctors.
Low speed Adjustment.
Turn the needle valve Of there IS
oue1 to The LETT approximately one
and one-half turns and shut Oft any
auNHiary air intakes or ecouomizers
or Eieh->peed uozzles etc. in fact
sny other gasoline or air intakes eN-
cept the low-Speed nozzle and pri-
mary air inlet Prime and start tn,
cuginc lf the needle valve is oper
FAR enough the engine will ram or
the primary gasoline and the air
supplied if TOO little gasoline the
engine viii tackdre or stop. Adjus.
the needle valve accordingly unit
tho engine viii run ON primary All.
and The gasoline flows smoothly
Adjustment should be made with
the spark fully retarded. When en-.
CINE is running more air through IN,
auxiIiary air inlet until 10 backdres
then cut on the air until smooth ac-
ton is obtained
4IiSh-~pccd Adjustment
I'm adjusting the low speed q cor.
rect mixture is obtained CONSISTING
or air and plenty NJ gasoline VIII
this adjustment TIE auxiliary ain
valve Is ready 20 open and the high
speed noZzIcs and ec0n0mizers ii
there are amy. are closed The en-.
zine is running smoothly under
these conditions Now. for the hicl
speed open throttle quickly IL th,
auxiliary air inlet is too closely ad.
5usted too much air viii De admit.
ted under the additional suctio.
auG the engine viii backdre This
auxiliary inlet should be adjuste.
until the engine can Dee accelerate,
smoothly and easily. II there is
high-s9ced nozzle. instead Of adjust
ing the auxiliary inlet open IN,
high gasoline adjustment unt.
smooth acceIcration Is accomplish
ID. When economizers are used
they are 10 De adjusted LAST wiz.
the engine fully heated ard Will,
The car is on the road The arov,
is "a general outline FOR carburetor