Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1920-07-11
5IMPL|F|ED LESSONS IN
CARE OF AUTOMOBILE

Expert Gucrrlich Continues Lecture
on Locating OF Car
Troubles.
NY FREDERICK &. GUfisnI.ICd,
Lecture No. 1Oi.
ANY OF the causes or the sudden
topping OF the engine. as given in
he engine refusing to start.
III after crankinS the engine five or
TX TX Lines, inc, i does does not start. STOP
yiil discharge your battery and pos
IDLY cause 1t TO overhead. thus ruin
"a addition to the troubles which
VII cause the engine TO stop are
TIERS which might cause {, not 10
tart. When the engine has been run
ing IL is hot. and whiic running all
10 the, Parts are moving quickly and
While. ii is cold. and our s'; cra iI
urns II over very slowly so that the
parts are moving slowly and the sue
hat ensc, viii the GOODNESS and
iiom -ranking have on the three cs-
entihis., namely. compression. ignI-
usually less when the cngin is
BOLD than when II Is warm Can losa
Pr compression. then. be the cause OF
ne engine no; starting? /; Nigh, be.
but IL Is the least likely OF the three
essentials. or course, II since the N
Sihe was last ran you did some work
parts tight. or may have poorly sci
some part. as. for example. the value
adjusting nut.
~ Effect on Ignition.
What effect VIII the cold and SLOW
eSf ha %@ 'A Sait EnitG" Tor y 6e
viii not be affected. but IL We have a
nagneto, the sIow-cranking may cause
ne voltage 10 be 30 los AS no, TO
as the trouble. the remedy is 10 spin
the engine vigorously with the cx-
Ieeption Of the low voltage, due 10 tho
equipped with a magnetic. are the
same as for the sudden stopping ~
the engine.
what about mixture? Here Is the
cause OF about 80 per cent @: the
starting trouble. NJ both the cold and
slow cranking Will ancc, the car
amount Of heat 10 vaporizn gasoline,
and. IKE steam. when the vuporizcd
gasoline strikcs cold surface. IL viii
cohdehse Let US see what harpcns
when we crank the engine Will" {;
lis quite cold Due 10 the suction :,
certain amount Of gasoline VIII be-
| and with some air Will travel toward
the cylinders. On the way II Viii
strike the cold manifold and mucn Of
u VIII condcnse so that We VIII prac
ideally get nothing but air into the
cylinders. and the cn1lne viii no;
start.
what can be done under these cir
|cumstances? why max" The mixture.
lag IL leaves the cahrurc;or, so r.ch in
dense on the way. enough VA reach
IN. cylinders TO cause thc engine 10
start. After the engine has started,
he shelton Viii he so vigorous and
the speed OF the mixture from tn"
carburctor 20 the cylinders so Fr.a;
that tho gas VIII not hay. a cnanco
a Gl,.r a "A d IA.
the previously condensed gas VIII b.
drawn along. For this reason prac-
'icaily al cars are fIGu!npsd Win
mixture when starting, such as
device for shutting or choking on tn.
air. thus causing an almost raw gas
TO be sucked up, or a device for HOOD
ing the carburctor,
In extreme cold weather. even these
engine vii have 10 be prirm"d by
cylinders through .,Ic compression
writer found "a squirt-can. as shown
In the illustration. 70 be "A great CON
,yenience, FOR printing PURPOSE This
because OF tho cap on The spout and
the obIonE shape, II could be- convent
entity. carried In the side-pockets o.
VIII Flood Engine.
Sometimes. when the choke valve
after turning the engine over while
cranking a number OF times. II does
not start. do not keep crank:9G with
choke valve closed or you may Hood
the engine. When this occurs. open
the compression cocks AMI, by spin
ming the engine. blow the excess gaso-
line out In cold weather hooding is
not liable to cause trouble. but II
often does on warm days.
Opening the throttle va.Te 100 much
or not enough Will often 10. The cause
OF the engine falling to start. There
~ no rule which can be given rs 10
this AS some viii star, only whcn the
throttle is wide omen. while others
will not start. notably the Zenith. uu-
der this condition. Experience alone
viii tell YOU the right position for
the. ,hrottie-contro! lever. though
with mos, carhuretors one-ihtrd open
Is the carbureior adjustment Liable
to be the cause OF engine not start
ing! Not IL the engine started easily
last week and always before. Where
start, even though II seems 10 run
well after starting, the mixture ad-
justmNts may be at fault. The adj
justing screws are about the very
ever. might say here that tend
ency OF the engine to stop while run
ming slowly and idle. is often due TO
the mixture adjustment.
should our engine then fan to
what should we look for? OF course.
the first thing TO do is to be sure you
have done all the things necessary to
start IL. namely: the throwing on o,
the switch. the feeding OF gas 10 the
having forgotten any OF these and the
day not being cold. "" would by
noodinE the carburetor see IL we are
getting gasoline. II yes. then We will