El Paso herald. (El Paso, Tex.) 1901-1931, 1913-09-21


Motoring Department The Herald
Recently 1 took a trip of about 100
miles and on that trip had four pune
lures in one tire. 1 changed four
tubes and, believing something was
the matter with the case, changed It
After that I had no more trouble L
found nothing the matter with the
shoe and would like to know what
could possibly cause so many pune
lures. Do you suppose a piece OF
would he hard to locate and yet be
enough to cause the punctures?-J.
Ii is hardly possible that anything
inside the case would cause the pune
lures without your being able to de-
tect it. A small piece Of glass would
cause the trouble, but you should be
able to find It Sometimes the inner
wall Of the tire will break or crack
This will not look harmful, but when
the tire is rolling with a load on 1t,
the break viii open and close enough
to pinch the tube. This IS probably
the cause Of your trouble II one mas
never experienced this 1t can hardly be
appreciated until it actually happens.
A blowout patch should be inserted
at the break OF the fabric to pro-
tect the tube This break in the fab
ric is often caused by running wheel
against the curb or some other heavy
obstacle, when the tire IS partially De
flatsd It can be detected by taking
the. shoe off and partially turning in
side out so as to Inspect the inner
walls.
Motoring Department, The Herald
I would like to know what IS meant
by compression relief cams. On large
motors I notice that the driver often
pulls a lever which he says makes II
easy TO crank the engine Can you
tell me how this is accomplished
Compression relief cams are simply
on the shaft. When the cam shaft
is moved forward BY means OF
lever the exhaust valve remains open
long enough to relieve part Of the
compression stroke. With the cam
sbaft in This position the motor does
not have the full compression and con-
sequently is easier to crank. When
the motor starts or course the cam
shaft is moved back TO its normal
position giving the regular opening
and closing Of the exhaust valve
Motoring Department, The Herald
I have a fiVe-passenger touring car
which has the full floating type axle,
and there is a torque rod running
from the axle forward. In going over
car tracks and rough roads there
seems to be more noise than neces-
sary coming from the rear construc-
ton. I am told that the trouble lies
in the torque rod. VIII you please
advise what part Of the tOrQue rod
is apt to give trouble and how can I
repair it, want to make ali my
own repairs If pOssible.-A Remington.
The forward part Of the torque rod
IS usually a ball and socket joint an
chored in such a manner that II will
relieve the torQue of the drive SHAFT
and hold in proper position the axle
housing There is a heavy spring on
TOP of this ball and socket joint and
81 he notion.
Usually there is an adjusting nut on
the bottom Of this socket which VIII
permit increasing or decreasing the
tension on these springs. II these
springs are broken or weak there is
bound TO be more or less rattle in pass
ing over rough places. Sometimes
these springs break Would suggest
that YOU take out this ball and socket
and examine the springs carefully It
is possible that the springs need
greater tension.
Motoring Department, The Herald
Sometimes when shut down the
motor OF my car the carburetor Iloods-
This happens about once out of flVe
times There does not seem to be any
thing wrong with the carburetOr and
the car runs good One night l LETT
the car and the next morning al the
gasoline had leaked out Do you sup
nose I need a new carburetor, or Will
some new part in the carburetor
remedy the trouble. ANY suggestion
you can give viii be appreciated--L
p. r
In the float chamber of the carbu-
rotor there is a valve which automati-
caIly shuts off the flow Of the gaso-
line from the tank when the float
reaches a certain level in the chamber
II this valve does not seat properly the
gasoline will overflow. If there is dirt
in the float chamber a small particle
will unseat the valve and cause your
trouble. It is hardly possible that YOU
need new carburetor or any new
parts. since it floods only occasionally.
Would suggest that you take the car
buretor off and clean il out thorough
" Also reseat this valve by tapping
slightly. Care must be taken TO CEN
ter the needle valve in seat before tap
ping
Motoring Department, The Herald
Can you tell me where to locate
squeaks2 I have oiled every possible
part which seems to work, but stun
I cannot locate. Would appreciate
knowing what parts to inspect, in
order to get rid of this annoyance
jean Van Wagner.
If you have inspected and oiled all
the moving parts such as spring
shackles, etc. il is quite possible you
have neglected the spring leaves The
leaves Of the springs work one upon
the oLner ana Nneu luSg DGCOlue rusty
are bound to squeak To eliminate this
a mixtures Of graphite and oil should
be inserted between the leaves. It is
a good policy to do this with all
springs at least twice during the sea-
son. When the leaves become corrOded
they not only squeak, but the increased
friction between the leaves makes the
car ride harder.
Motoring Department, The Herald
What is meant by exhaust valve lead
and why is this lead given to this
valve and not to the Others? -Arthur
Levin
Exhaust valve lead means that the
valve opens before the piston reaches
bottom center. The exhaust valve, for
instance, opens approximately 40 de-
grees before bottom center, and closes
approximately 10 degrees past top
center The intake valve also has q
certain lead. This lead is given to
permit free exit Of the gases If the
exhaust valve did not open before bot
tom center the duration of the exhaust
stroke would not be sufficient to al
low proper exit Of the exhaust gases
without back pressure on the piston,
and consequent loss of power. When
the exhaust opens before bottom CEN
ter surplus pressure escapes before
man Hm#