Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1917-01-28
S|MPl|F|ED LESSONS ON
PROPER CARE OF AUTOS
PRESSURE Feed !, Giving Way to the
Vacuum SYSTEM 81 Getting
Gasoline to CnrburetUr.
ENPERT EXPLAINS SYSTEMS
How Vacuum Can &c Created.
Professor Guerrlicli Answers Ques-
lions Of Many Owners Relative TO
Their Troubles With Motors.
LESSON No. IS.
The Cnrburetor ttnutin ucdJ.

IL the iaat lesson NC Saw how the
ca;huretor docs It's work. Let us now
"cc no" the gasoline reaches the err
burctor
There are tv" wayg OF placing the
gasoline supply tank namely. higher
than The cDrburcior. ts under :hc sea,
or "o"l o. Ia The rear OF tbs cay.
NHcrc il viii Do tower shan the car
buretor.
There is ptacticaily no problem in
feeding the gasoline to tho carhurctor
when tho tank is higher than i. rs
the gasoline will simply flow TO IL by
gravity. /, ~. however. often neccs-
sary to make the manifold vcty long.
<" "a 10 got til" carburctoc low "nough Ia.
TINS increasing the tendency TO con-
dcnsc. Sometimes when thc .ar go
ins CD = hill. and when the tank SIS
nearly empty, tn" r;,rhuvoto' will re-
higher than III. level Of tho gas in III.
tank. and OF course, the gas cannot
.;.t to the carbure,or. Th:- often hap
pcu. and when IL docs. the thing TO do
is to turn around, ana 20 un tho hi!i
backward
Where the ,am!; Is placed III the rear.
which IS or;cn done. hccaIsc of the
convenience Of tlimg and because Of
,horoh,. inc Icyni q, N. .,soIi,. yii,
H.. ,ow., ,n,n Tho ca,,,,rf.or .rbsro
Viii therefore. have 10 y" some means
furnish"d for forcing tho gas up 70
This higher level.
mi. l. d,r. g. ,,. y.,Y. ,,.p.iy L..
tic nycs sur. r.ed yys,.m and h.. The
Z vacuum system. The latter. however.
is fast replacing Tho former
'Ibc E'N-d
ne upper hra"'hs SHOWS INC lay
OUT OF pressnTe zee" A!"'"h'. ~ tue
tank y, - mace Ar ''.h' ana an
'"oh ID" l"rc'c 'h'" x u''"o' pressure.
Viii press "o"" ." '''r! SiO'''
iitN OF INC hn'f"SS 80 nc 'icHi"' ana
80 io'cc we 't"h'" !" no" "b iH'"''-H
IH'' P'rc' ~ an" '"'A Up 80 'N' 90"
pnLe'"''
w" he'h""s ~" 'S'" ~ ny t''
pres surc' ha"e'E' - PUMP !'i'et
rom 'h' eng 'h' @F"N!.! from 'ht CON
Sha'}' O. INC i'1'' mat 'h' s,.h"h VS.
uses o. '"' NJ H'''' Ia ~
Sl'"'! amount OF pressure are u''i'::a"'
"S Sere"ihS p'Pe mo 'N' 'Nh'nS'
p'p"' HUI o! the gases can "c used
'hcF !rS' oe'hE ScIee'e" 'hn passing
'i'" nsh = 'cs"''''"' - ""''H VII
"e'p 'He pressure III ~" TANK "!""Es
ivy >h"'e'
"" P"'np ''seh varies IN hrS'Sh' IN
"o'i'' '"SFs INC i"s' Wy NJ an" ~
80 F""P '
p"''" "H"r''S '''S " means -" -
'"'''S vac ""ho'"N vi ar N"'V" u
pump
'"' nv ~ H.o'' '"'' 'o
H'''e ,"' "''' 80 80
~ '"'">' "'' ~ '0''.' '''''''" '''"s
'c' ''neu 80 '"e P'cs9"'t !"
'""" ''' 800 ''"e Al" ~ .''-'
(" pu"'P "a o"'' ""-'' '"'
'"e'hc - running. ms Pu'poSt
'u"'" ~ ''''s
p'"He" !" 'o'''' P"s ''i'' ''"N'"'r"' 90
=" ~ 20 1900 49, w.
ms ''''' 80 ', =, '"' sou
pump "Hu"HS '"a '"'Ns ''''c"
10 '''u'" ." ~ '"' a.
% W lump - ~
p'p'"s ~ '"e '"''"- :" ne" '''' ",
''S p's'''o' "he" ''oP"'i"S |" S,"''
OF ""eh p"'h''"3 can '' ~, nc" ;"
"' 10 u'Seot"ee. N'' ,"i,'' "''' '"e PIP
tns' VI 'e"is 2"'' va ."N P'''"e
.'' 'o"'" ~" go w
~" N"e" - ''' -
."' '''" 80 "a ~ w. '@S'i
80
"a N'''" '"'
PcsSu'S ~ az ~ din ~ ''S"' =
gauge 10 usually connected 10 the pip
ing and placed on the instrument
board
10, MS go over IN. iiius,r,,inn ,n.i
- ~,
WV ~. - - "-S' ("
!" start thc icFe'' ~ !" turned so
that the pnmp valve IS in the pump
ing position. and then air is pumped
until the gauge reads two pounds.
,h,,, h,mo,,,,. ,bc ,,,na,. ~ i,,c,
-, 80
h"" '"'''' N"ch '"e'c u '"o io"'"S
pressure In the tank the engine can