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It's not really critical how far the ball lifts as long as it does open
more than 1/8" or so.
What is critical is that the points in the solenoid are open when the
overdrive is engaged.
This is best checked by using an ammeter in series with the solenoid wire.
There are 2 coils in the solenoid.
One, the pull coil, draws something around 20 amps.
The other, the hold coil, draws around 2 amps.
When power is applied both coils are energized and the armature (plunger)
inside the solenoid rises instantly under the influence of the magnetic
field of the coils until it reaches the top of its stroke where it opens a
set of points which interrupt the power supply to the pull coil.
Once this happens the magnetic field of the hold coil, which remains
energized, is sufficient to hold the armature at the top of its stroke and
the points open.
If the points do not open the current draw will be sufficient to overheat
the solenoid and either melt the plastic plunger which is meant to open the
points or burn the insulation from the coil windings within a fairly short
time.
M
On Tue., Feb. 28, 2023, 7:37 p.m. healeymanjim via Healeys, <
healeys@autox.team.net> wrote:
> having a problem adjusting the operating lever on my overdrive. using the
> manual setting cannot get the ball to lift off the seat with the solenoid
> energized. doing research i found two articles that state how to adjust
> the rise of the ball. one article states that it must rise 5/64ths. the
> other states it must rise 3/64ths. need some guidance on what is correct.
> TIA.
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<div dir=3D"auto">It's not really critical how far the ball lifts as lo=
ng as it does open more than 1/8" or so.=C2=A0<div dir=3D"auto">What i=
s critical is that the points in the solenoid are open when the overdrive i=
s engaged.=C2=A0<div dir=3D"auto">This is best checked by using an ammeter =
in series with the solenoid wire.</div><div dir=3D"auto">There are 2 coils =
in the solenoid.=C2=A0=C2=A0</div><div dir=3D"auto">One, the pull coil, dra=
ws something around 20 amps.=C2=A0</div><div dir=3D"auto">The other, the ho=
ld coil, draws around 2 amps.</div><div dir=3D"auto">When power is applied =
both coils are energized and the armature (plunger) inside the solenoid ris=
es instantly under the influence of the magnetic field of the coils until i=
t reaches the top of its stroke where it opens a set of points which interr=
upt the power supply to the pull coil.</div><div dir=3D"auto">Once this hap=
pens the magnetic field of the hold coil, which remains energized,=C2=A0 is=
sufficient to hold the armature at the top of its stroke and the points op=
en.</div><div dir=3D"auto">If the points do not open the current draw will =
be sufficient to overheat the solenoid and either melt the plastic plunger =
which is meant to open the points or burn the insulation from the coil wind=
ings within a fairly short time.</div><div dir=3D"auto">M</div><div dir=3D"=
auto"><br></div><div dir=3D"auto"><br></div><div dir=3D"auto"><br></div></d=
iv></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_att=
r">On Tue., Feb. 28, 2023, 7:37 p.m. healeymanjim via Healeys, <<a href=
=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>> wrote:<br=
></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-=
left:1px #ccc solid;padding-left:1ex">having a problem adjusting the operat=
ing lever on my overdrive.=C2=A0 using the manual setting cannot get the ba=
ll to lift off the seat with the solenoid energized.=C2=A0 doing research i=
found two articles that state how to adjust the rise of the ball.=C2=A0 on=
e article states that it must rise 5/64ths.=C2=A0 the other states it must =
rise 3/64ths.=C2=A0 need some guidance on what is correct.=C2=A0 TIA.<br>
_______________________________________________<br>
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</blockquote></div>
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