Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1917-03-25
Is RUNOVER
OF CARBON DEPOSITS
Annoy In. Substances IL Laid Down by
Improper Combustion In
the Motor.

Each man who owns an automobile
mas his own ideas about carbon pre-
Nention and removal. but not all of
them know that carbon is caused by
substance deposited in the combustion
chambers Of the gasoline cn.in"
through Imperfect combustion OF the
cylinder oil and gasoline. Dust ~
drawn into the motor aud adhcrcS ia
the Ntst oily surface il strikes, adding
10 tbc accumulation OF the piston head
Eventually this deposit becomes so
deep thai /, is incandcsccnt, causing
preish'ur" Ignition Of the fuel. ~ ~
-i'his latter characteristic which makes
II =" Important to Ect rid OF tho car
hun'
rnis substance MAY be scrnpcd out
with specially designed tools with most
engines which permit pretty thor
Ough Job 10 Ice cnEiuccrcd without re
moviur the cylinder head. There are
Revcrai sorts Of chemical carbon-rc-
movers on tho market which AR" 10 nc
imjcctcd INTO tho combustion chamber
for che purpos" of Ioos"uinr tho car
bon ana permitting il TO be blown GU,
- tho exhaust with some types OF
motors il is possible to drop a sihtil
chain in tho combustion chamber ana
lot I; scrapc the carbon automatically
as II flies about under the impulse oil
tie piston.
Kerosene : Hrmovcr.
Amer many experiments " iIaS b''.'
found tina, the one best bot as (" car
bon remover IL :, dose Of ordinary
kerosene. prnncrly administered. When
tn" engine is hot at the end OF the
days run feed about three Or four
ounces, say. :. third Of an ordinary
drinking glass. Of Kerosene. through
INC .tir vent on til" intake manifold.
or through In" air intake OF the carhu.
, rotor. while tho engine is idlinE. The
hcrrtcuc should b" poured IN grad
uailS ana the throttle should he opened
very slowly. and the cngin" be spccded
W or the Kerosene. which is thus
drawn into the cylinders IN Larger
quantities than can be var"rized aud
buried at once. and in q few minutes
tho excess kcroscn" IT, being churucd
up aud down in thc cylinders soaking
~ ihO valve seats and sparkpluEs.
THAI there is a surplus Of the kcro-
'rn" in the cylinders may he proven
hy tho fact that the engine viii run ~
GOOD speed for several minutes after
the operator has stopped pouring the
OIL into tho intake manifold After
ruuriu. the engine tor some miuuica
IN e. Kerosene fuel 1t should he
rapd!y succeeded al by opening til" 'ir
vents wider ana then. whil" tia" Ecr"-
Hcnc is still being poured int" tho
manifold. ITO spark shoHld hc SHUT or.
. More Kerosene 50 drawn into INC 49,
@iud.rs with each resolution, aud rrnc
% IT rs burned az. .,ud j, may bc toft
'or ,n" might L" perform iis function
~ !, carbon solvent uu ile cylinder
head, valve seats and Plugs
Mauy car owners nJcr, lilo hcrosouo
through TIA" net cocks. bat the woth"d
dcsrribod .,hnNo has the advantage 81
Uniform applications tu the Nalscs
When the Oh Us put DO hy W"y q 'Nc
not cocks il H. lik'l, TO rur down ono
aldo ~ ;h" valve and rcmoyc only i
part - the otrhuu deposit. leaving thr
o,hcr side untouched and ready FOR i'7
~ I'D miFchicf
Prevention or turc.
~. with most other things. proven
ton +. better thaH cure cf carbon
rrrublos Ry tahiuc Il It'll. care in the
Irsl rlacc it rs p"rfcc'l" POSSIBLE 20
rrostut The formation 81 carbon ny
giving tho engine "a tr"aimen, OF the
EWd indicated above rccul.rly say.
utf.o a week during the active running
soaanu carbon would b" removed br-
fore II 90, a ohan,. 90 form. ono
,uotprisi has snnll tank of kcroSenr
Installed mdcr The trout 81 lis ear.
Evc~y day a. he dr"Ns near his home
no witches from lia gasoline feed to
tile Kerosene Tor ton minutes r1upiuE.
lie claims tat this practice las re
lIcvcd him from aU carton troubles.
and rlH, his engine runs better than
De- had eyer dreamed possible
Souc car owners prefer mixtures az
various sorts :" plain Kerosene. ~
yoh"l and koros"uc i'm proportions of
turcc to on" mako a Very good carbon
-pNou, ana another good carbon
acauscr b. made 90 two parts OF
.tetoUc t"" parts 81 kerosene, and one
psr, c,l"r. the fundamental adNnnt-
age uf kcr"svu" may hc Judged front
Ito fact that ii appears in practically
an the different caribou solvents.
ma preventing tho formation OF car
bon nothing IS amy more important