El Paso herald. (El Paso, Tex.) 1901-1931, 1914-03-21

any great trouble. As stated previous
", II an adjustment Of the clutch
spring or treatment with oil does not
eliminate the fierceness, it may be nee
essary TO install a new clutch facing
This IS quite likely if the car has been
used for a considerable length of time
Motoring Department, The Herald
viii you please explain the following:
1. I have a 1880 1910 F. B. Stearns
touring car. How are the valves set
on this car-that is, how many degrees
past top center and bottom center do
they close and open? 9 I have had
trouble with overheating the past sum-
mer- Explain the causes of Overheatine-
They told me at the service station OF
StearnS to advance the spark. but this
did not eliminate Overheating. g. What
do you mean by advancing the spark2
Does the mixture ignite a little before
the piston reaches top center or after
it is over top center?
4. The valve stem guides are worn
pretty mulch. They are a driving fit
Would you advise me to remove them,
and If 1 DO, viii I be able to put new
ones in true with the seats?
5. I am giving this car a good over
hauling, Such as new pins for springs,
new ball bearings, and new crank pin
bearings, and I intend to put in new
piston rings. The cylinders are in fair
" good condition. There is a scant
difference OF about two or three thou
sandths OF an inch in cylinders. Would
you advise me having them rebOred?
6. I have Bosch Dual No. mag
neto, and Stromberg No. A carbU-
rotor. The StrOmberg is hot water
jacketed. Is Rayfield, Stromberg, or
the Haupt better suited for this carr
T. I am Scraplng out all carbon and
intend to put IN solution of muri-
attic acid to help scale the water jack
cts, which are pretty rusty. How would
you have the strength of the solution?
s. Explain the working of a Bosch
dash coil connected to the magnetic ,
and batteries. Also, how do you wire
Same2
Thanking you for this information
I have commenced to cut out your
problems every week and paste them |
in a scrap book for reference. Respect
fully submitted, Harry Fisher.
1. The service department Of the |
Stearns company advises that the in
take valve opens and the exhaust valve |
closes at dead top center. When the |
valves are set to meet these require |
ments the construction of the cam will !
take care of the opening of the eX- /
haust as well as the closing Of the in /
take
2. Overheating may be due to sew !
eral causes. Incorrect valve timing,
retarded spark, excessive carbOnizatiOn 1
of the cylinders, defective radiator, de- /
Perforated hose connections, loose fan /
belt inefficient water pump, over-rich 1
carburetOr mixture, poor fabrication, !
etc any one OF these causes or COM |
binatiOn of causes viii cause the motor !
to overhead Quite often the trouble |
may be readily remedied by first test /
ing the water circulation system. This (
can be done by discOnnectinE one Of /
the hose connections and noting the /
flow of water when the motor is run
ming. When this is done it is advisable ]
to supply the water into the radiator (
from another hose connection.
8. If the spark is introduced into /
q ME ba-
top center it is termed advanced II /
later, it is retarded The position of !
the spark should be determined by the /
piston speed-that IS to say, when the /
motor is turning over fast the spark |
must be introduced into the cylinder /
earlier than when it is pulling hard /
and turning over slowly. This is due |
to the fact that a certain time Is re- /
Quired for the ignition to properly take /
place. Also to the fact that the maxi /
mum expansive force of the gases /
should be exerted on the piston i'm (
mediately after it passes top dead cen
ter.
4. If the guides are badly worn, /
would suggest installation of new ones
You can best determine the condition i
Of the contingent parts and judge |
whether other new parts are required
to produce the best results.
5. If the cylinders are not scored /
and are true-that is to say, not eccen-
tTic-then it is hardly necessary to re-
bore them. The installation of new pis-
ton rings should take care of the Slight
wear. OF course, if you wish a first
class repair job, it is always best to re-
bore the cylinders and fit new pistOns
and rings.
g. The writer is not in position to
recommend any particular make of
carburetOr- The service department Of .
this company can best give you in
formation regarding tests they have
made in this respect.
a-H hot rrrar NC
tic soda for breaking up the scale in
the water jackets. The writer has not
experimental with muriatiC acid for
this purpose and accordingly would not
advise its use. The effect Of caustic
soda is to break up the hard deposits
Of scale which then can be easily
flushed out. The circulating system
should first be drained thoroughly and
It's capacity measured A solution
should then be made by dlSSOlYing ~
pounds of solid caustic soda to each
gallon of water required. If five gall
Ions of water are required, then 121z /
pounds of soda viii be necessary. This
should be stirred thoroughly and al
lowed to cool The solution can then
be poured into the circulating system
and allowed to stand for several hours. Z
After standing for several hours, the
solution should be drained and the
whole circulating system thoroughly
flushed until all Of the caustic soda has
been removed
s. Space does not permit extensive
description with diagrams showing
this wiring system, and the writer
would suggest that you write the
Bosch Magnetic Company, 223 West
46th Street New York, stating the type
magnetic and coil used and requesting
diagram showing connections with ex-
plantations. This will prove more salts
factory to you. Be sure to state the
type magnetic and coil you are using.
= = X
= HELPFUL HINTS =
:. TO MOTORISTS :.
ordinance which works a hardship on
persons operating old cars. Most Of
these cars are not equipped with mod
ern lubricating systems, and, therefore
y lfHrTT raaar rr-.4,