Evening star., 1921-07-24
QUESTIONS. AND. ANSWERS
FOR THE AUTOlNOBILLSTS A

coat being lightly rubbed. II the old
paint is in fair condition, 1t will only be
necessary to rub down the gloss with
pumice and apply the finishing color
coat or merely coat Of varnish. =.
spark plugs or high-tension wires when
an, engine is misfiring Ii caused by the
high-tension current Jumping across Z
space outside .the plug where the spark
10 intended to occur. II insulation or a
Yires&s loose at either end. the current
ETfl leak through at the defective point
and Jump TO the nearest metal part.
, usually at some point outside the cylin:-
der block, where 1t will ground. When
this exterior spark occurs 1t creates the
Is occurring outside the engine instead
Of at spark plug points inside the cyltn :
ders, the cylinders 80 affected will mis-
fire. ::
8. To focus: headlight bulbs properly,
place the car about forty or. flfty ; fsss tss
front Of the car exactly parallel to the
wall 1t faces. Remove glass lenses from
lamps and after measuring the distance
Of lamps from the ground and their
distance apart place two marks on the
sa spsrs etnse the lamp.
train their beams on these marks so
that the center OF the beams Of lights
Of the left lamp will strike the left
mark, and the right lamps beams win
strike the right mark. II the beams
do not line up With the marks the bulbs
alignment. >.
i. II you desire to remove or tighten
q nut which no wrench in your posses
sion will At properly. select a wrench
with Jaws about sixteenth Of an inch
too wide and insert a thin nat piece
Of metal, such as hacksaw blades or the
end Of a screw driver, IN the space
between nut and: wreticlr. Jaw. IL the
nat piece Of metal H. held in position
with one hand while' the wrench is
may be moved easily, with no damage to
corners.
5. The steam car naturally does not
require as many parts as are necessary
TO the power plant Of the gasoline car.
lnasmuch a. the steam car has its
the front 81 the car no Esransmfssiou;
driving shaft or universaFis 4sed. steAm
passing direct to the engine from the
boiler; under the hood. Other parts
eliminated are the carburetpr. magnetic.
timing gears. clutch, accelerator and
s. A fifty loaded car will affect brakes
that were adjusted too closely when the
car was empty beause the cars wheel
base extends slightly when loaded to
ca eapaeity ae,si rana: This trouble will increase
I. People in the United States num-
Der sixteen to every automobile:
s. To test the firing Of individual
cylinders in an engine with vibrator
coil ignition, hold down all vibrators
cylinder is found the engine will stop.
Evenness Of compression. the condition
Of valves. rings and ignition in each
cylinder can also be tested by this
method.
.. After grinding in valves 81 an
sappes. snees aTss' Tss resr,ndns s ne may have M
brought the end of the valve stems a
little closer to push rods. taking up all
the former clearance and not allowing
the valves to seat tightly. The adjust
ments may also have been altered when
valves were removed for grinding.
10. That dull or green cloudiness on
brass finishing may be removed by mix
ing equal parts Of wood alcohol with
metal polish. applying to parts affected
and allowed to dry. after. which the
parts should be rubbed smooth with a
cloth and polished.
This Weeks Questions. :
j. What is the spark lever for. and
what immediate parts are affected when
the lever is moved? :.
.. Is, the accelsrator considered better
than the hand throttle lever for use
under normal driving condit;onso
3. Can an engine be started any other
way besides using the starting motor
or hand crank?
1. How can a car be driven up a
steep hill if it has not power enough
| to go up in low gear?
5. What is a carbueretor primer and
-wheN ID 1t. used? I. -
G. is 1t necessary for, lamps with non
glare lenses to be in correct focus?
Z. How can water be separated from
gasoline? - = -: - =
8: What are the most common causes
Of knDcking in an engine?
9. What mistake is common among
beginners when they first try to- start
an engine? {
TO- Should the throttle be entirely
closed when the throttle lever is placed
in. the slow speed or idling position?
Copyright. 1921. Thompson Feature Service.)
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