CONSTRUCTION
AND
FUNCTION
A) -
I
R.
( tG
)\-~)
>--
_ _ _
vv.~-
-
,
~
-
,
vc,
.)
"\
'·
'
I-
I
g
J
N) -
Flow
of
curr
ent
for charging the bBttery
t,;
. Auxiliary
cir
cuits
Capacitor C and
re 5
t~tol
R2 are for ilbsorbing the
surge thai occurs when points
Pt
open. They
prevent arcing from jumping between the contact-
ing races
of
point.
PI
'
Current coil
ee,
assists
Vel
in dosing
and
opening points P, sharply
.0
that
the oulpUI
voltage
will
be
free
from excessive ripples.
Current coli
eel
and resistor
R~
pass some
currenl
fo
r the alternat
or
fieJd
when
pOints.
P1 are
open: they prevent the
'Voltage
from fluctuating
so widely
as
to t:ause the lamp
to
flicker.
Glow plugs
Each precombustion
cham~r
of
the engine has
Ol
glow plug, TIle pl
ug
is
a slarting aid and serves
10
warm
up
the chamber
by
"glowingu
Ted
with elect
ri
city
,uppUed from tile battery, It
is
of
a sheathed type in
construc
ti
on.
The
fow
glow
plugs,
one:
for
e3th
cylinder, are con-
nected
in
paraUel
between
the
preheating line and
ground. fa.ilure
of
one
plu~,
therefore, does
not
cut
out
the other
thr
ee,
Key switch
BlItte,'
~
switch
t
-....
.
~
;
OIHe,
...
:
I
1
-:-
',,:,~-
'
)
'(
,~
Glow
pluQ
4 3
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