Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1919-11-23
GIMPl|F|ED LESSONS IN
CARE or AUTOMOBILE
Expert Discusses Tires, Their Va
- rictics, Necessary Care and
~ Repair Methods.
SEEK pUNCTURE.pRoor GOAL
Inventors and Designers Have Made
- Use of Various Devices to Keep
- Tires From Being Pierced by
Sharp Instruments.

The tires or pleasure automobiles
81 sIon ,'S Of a oTf '2 p MhEn %ps
The old single tube has been entirely
sbandoned. while the sold rubber tires
are only used ON trucks and slow GO
Ing and heavy electric pleasure cars.
=. The present day tire consists OF two
one mbcrs. the tube. which Is airtiEht
the casing, or shoe which consists .;
Two parts, namely the iabr.c, which
10 prevent tho tube from ,xpandinc
under its air pressure. ana the tread
or rubber portion, which serves a TWO
geld purpose. II gives q wearing sur
lace, acts 10 some extent ~ ACQUISITION.
and is a protection for The fabric.
The tube Is SIMPLY an endless
mate valve ;hrouch which the air can
DC pumped. and which prevents it's cs-
cape. 1t has no strength. and would
stretch ana even bUrs, i: air under a
pressure OF about une-t,Oth that re-
CURED for the complete tire were
pumped into u. Tn. resistance 20 this
pressure : entirely furnished by the
fabric OF Tho easing
Valve Is Described.
iEu!c o. the t"uStr1ticn shows
ally a st. er iS" 1bl 5od} nn Of tEs
s,aire or tho valve stem. Is. jn-iGding
called tie valve ias de. The action.
81 the valve Is - follows The screw
asS.hSi thc SHOULDER - Of The valve
sem; =. vi! pEeysnt ne AZ leaking. cut
On the sIIt NHte the HANS" X OF the
Small rubber yyashe- I. viii prsys,,t
, ,7s CIR ie:z1HH.7s olt as,7ouQnd TIE yalv.
%, washer ~ the a-essurr OF II" Air
- the iCos and not oy The Spring
shogn, ;he sp-.os acting NOR as :
Wien !; 5 desired to ie, a:r out Of
ms tire nc o.I1Es- : y pressed IN
from It's vasr -rt SO Is. ,ns a.
escape aroiH1 ~ o.i0-e- When the
On tog a ne -,7E IN v.i ''f 'ErssG :.
tnah NJ n ne tube. and - the aauEe
ne 7-uas-- 2-ssSsd down. and 30
Piuaesr Tae moment pumping IS
stop2sc t1s oTsssG-. inside the tube
wsl % create ;aNa :hat outside. and
~ c4ass MI sSeia be pressed against
nc 'yas7s- AID - prevent he sScaps
;, SOU .eas" ia: :. when The ,i-e
.ecoIeS IA overnight; OF in tSo or
sc: n the va.ve-insite, the rubber
sslsFs oe!as Worn or torn. Replac-
G 1as 5hs tS rs,,;a az ?9sts bu; ;
when the yaive is leaking BY put;ing
= dF9p Of water or SILVA on the
saliva VIII form in bubbles. Screw;nr
ne va.Ne-inside IN little harder wifi
this Do not use pair OF pliers.
rlsG T, is picture OF the valve
n -.
lines this washer becomes reversed or
OUT OIL position, and when the can is
screwed ,,e on TO the valve, this washer
VIII press on the plunger and so cause
the tire TO leak II should be locke ed
at every time the cap is put on.
IN addition to cover to keen out
ofrt. and TO help in preventing the
escape OF the air, the valve-cap Is q
1901 Tor removing and replacing Tho
Valve-tnsides Note the notchcs In
Lhe top part Of the cap. II this thin.
ner top part is inserted into the valve
the notches will grip prones of the
screw OF the valvr-inSidc and so -iv,
means to unscrcw IL.
f1Eure ) shows cross section al
typical casing or shoe. \ is the
fabric. IT is in the fabric that the
strength OF the tire is. and any weak.
ness in it will result in the tube burst
ing through it. This is what haupcn>
when the tire blows out" Il is ;h,
rubber or. tread" Of tire. the fnnc-
wearing and ground gripping surface
Also 10 give certain amount OF Gus h.
ion1ng action and a protection for III.
fabric.
VIII Cause n BIow-Out.
AS any defect in the fabric will cans,
n blowout OF the tire. care Of tires
resolves itself into preventing any
harm to il. Thus the protecting run.
per or tread must be kept free. from
holes, so that dirt and moisture can.
not get at the faayir, anl the tire mus,