Ford T Series User Manual

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What is til e purpo se of Answer 7\ 'o . .)-]
tile Ignition System? i Vi
It furnishes th e elec tric spark which exp l odes the charge in th e com-
bustion chamber, thus producing the power which runs the engine.
It is important that the charge be correctly ignited at the proper time,
::t order to obta in satisfactory results in running the car . In the
Ford car the ign ition syst em is as simple as it is possible for hum an
inv e ntion to ma ke it.
How do es t!J e Magn eto Ans wer
1
7\ 'o . c
4
ge nerat e tire c urrent? ' VI J '
In r evolving at the same r ate of speed as the m otor, the magnets on
the flywheel passing the stationary coil spools c reat e an a lternating l ow
tension electric curre nt in coils of wir e whic h are wound around
spoo ls fast ened to the stationary part of the magn eto, and is carried
from th ese coils to the m agneto connection (wire) leading to th e coil
box on the dash. •
S hould til e Coil Vibrat or· A 7\ T 5.5
Adjustment be disturb e d? I nswer 1 vo .
The present sty le of coil unit is properly adjusted when it leav es the
factory and th is adjustment shoqld not be disturbed unless to ins tall
new poin ts or to reduce the gap between the points which may h ave
increased from wear . W hen adjustmen ts are ne cessary they should,
whenever possible, be mad e by one of our service stations who have
spec ial equipment for t est ing and ad just in g units an d will gladly
furnish exp ert serv ice. If the /po ints are pitted th ey shoul d be filed
flat w ith a fine double-fac ed fill: and the adjusti ng thumb nut turned
dow n so that with the spring held down the gap between the points
will be a trifle less than
1
•; of !an inch. Then set th e lock nut so that
the adjustment can not be di sturbed . Do not bend or hammer on
the vibrators, as this w ould affect the operatio n of the cus hion spring
of the vibr ato r bridge and reduce th e efficiency of the unit.
H owisa Weak
Unit detect e d?
Answe r No. 56
With the vibrators pr operly adj ust ed, if any parti cular cylinde r fails
or see ms to deve lop onl y a w ea k action, cha nge the position of the
unit to det erm ine if th e fau lt is actually in the unit. Th e first
sympto m of a defective unit is the buzzing of the vibrator with no
spark at the plug. R emember that a loose wire connectio n, faulty
spark plug, or worn commut ator may cause irregularity in the running
of the m otor. Th ese are points that should be conside re d before
l ayi ng th e blame on th e coil.
How ma y short circuit in A 7\ T 57
Com mutat or Wiring be detected? nswer i Y 0 •
Should the insulation of the primary w ir es ( running from coil to
comm u tator) become worn to such an extent that the cop p er wire is
e xposed -the cur rent will leak out (i. e. , s hort circuit) whenever
12 7]

Ford T Series Specifications

General

Brand	Ford
Model	T Series
Category	Trucks
Language	English