The Arvada enterprise., 1921-09-01
prepared by the United States Depart
ment of Agriculturs.)


rnent of AGriculturs)
Thousands Of farmers In all parts
of the country use gasoline engines as
II source Of at least part OF their
power. The number In every branch
Of farming is increasing rapidly. From
the production of crops to their hnr-
vest and preparation for sale, and
even their transportation 4" mnrket,
the gasoline engine facilitates the
business of farming. Trurtors, gns
engines to run belt machinery aud mo
tprtrucks are enabling farmers to in
crease their operations. II is, there
fore, good business on the part Of the
farmer to use them whenever time. In
bor and costs cnn he reduced.
Though the gas engine. whether the
stationary type. tractor, truck or au-
tOnlObile. In n great labor saver when
operated efficiently. II Is also at times
the cause Of u great labor waste. often
large crews hired to help with thrcsl'-
ing. hny haling. cutting ensilage, etc.
draw full wages for hours spent In
idlcness owing TO inefficient handling
NJ the engine. A man will sometimes
starting a gns engine tN pump water
for stock. run n milking machine or
for some other similar purpose, thnn
would he required to do the work by
hand. Such lost time is to u great ex
tent preventnhle. Gus engines ARE not
III .1.alss
engine trouble are usually due to the
operators lack Of knowledge Of some
Of the details essential to proficient
operation. say specialists Of the Cnii's'
Statea Department ~ Agriculture.
Keep Engines In Repair.
The first essential In gasoline engine
operation In to keep II In good repair.
Say the specialists. All catalogues
and directions furnished by the manu-
fRcturer should be studied carefully.
Most manufacturers publish 'ns,rur-
lions on the care and operation of the
engines they manufacture. aud In or.
der To get the most satisfactory re.
suits from an engine the owner should
study nnd put into practice these In
structiOns.
Every "n~ who operates n xHs Ell
gine should learn Amt 10 stop and rrx-
son ns to the probable cause "f any
trouble which develops. In tracing
trouble q definite system should h.
followed. When nm engine refuses 10
start the irnuble will. with n very few
exceptions. hc due 10 .oInr Interrupt.
tion Of the supply Or the proper mix.
ture of gHs and air. or to the failure
NJ the electrical system which fur.
nishea the spark IN fire the COM
pressed mixture. Every system 10 10
cate trouble should take these twO
points into consideration.
Testing the ignition System.
with nll engines using spark plugs
u n comparatively easy +" ASCERTAIN
whether electrical or ignition system
10 working properly. Remove the plug
and by taking Il apart s'.' II the pOr-
ceiMin In not broken. s~e that the
points ARE pepp~riy spaced and re-.
move the d~pssit Of carbon. A space
of about one shirty.second Of Nh inch
the thicknsss II 4 wOrn lim~-Is
the proper distance between the
points.
To test the spark connect the wire
with The plug and place tho latter so
thxt the metal base touches the en-.
xtne cns,inx. then crank IN. engine
and note whether 4 spark jumps the
space between the points. This spark
should is heavy blue. n blnish.w white,
or u fiat" yellow one Iopking like n
small flame. Rnt " II is thin and
xr~enlsh. or showing red, the chances
ar. II In too weak 10 nrr IN. charge
of gasoline In such case. or II there
IA no spark. trouble may bc IN the
wir. connections. ar the magnetic. ar
= dry cells are used. they nSy be tO,
weak. SS~ that nil III" wir. In PROV,
"rly insulated snd not soaked with
oil, and that Ali cdx'nectiOns Hrc tight
and cl~an. If there In no irOubl. In
che wiring and dry cells are used. the
latter may he tested by attaching the
wires direct 10 III. points ~ the cells.
Though mngnstos seldom give trouble.
n there TX every reason Ia believe il,nt
Il II M, functioning properly. II
should h. taken 10 On expert for ~.
pnir-.
See That Fuel 10 Supplied.
When nh examination shows TINT n
COOL spark !. being obtained NJ the
right time. the next step IN 10 set
whether the "bgin" n receiving the
proper mixture ~ fuel md mir. Ex-
amin. N" cnrbnr"'or nhh mnkc sure
thnf the gnsOiinc rcn"hrs II properly.
Sometimes wnf"r gfts lnt0 the cur.
'nr",nr nnd gives considerable trtrible.
rm nj. ren."n the rnrhur~tor snd