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John- it is a .040 feeler gauge that goes under the throttle stop-=0ATha=
t is equivalent to about 1/5 throttle opening. That is to set the=0Athro=
ttle switch. =0AThe 3/16 drill bit is used to "static set" the position=
of the=0Asolenoid lever. I agree, that position is not alway ideal. Fin=
e=0Aadjustment is made at the arm of the solenoid in which you get it to=
=0Athe maximum lift and then when it drops it clears the base about 1/32=
"=0Aat the same time gently pushing it in toward the casing to make sure=
=0Ait does not bind. Solenoid plunger must drop freely. I can send you=
=0Athat page from Haynes manual if it helps you to set the throttle=0Asw=
itch. Hank=0A=0A=09-----------------------------------------From: "John=
Spaur" =0ATo: "Hank Leach", "Bob Spidell"=0ACc: healeys@autox.team.net=
=0ASent: Sunday July 2 2023 6:01:07PM=0ASubject: RE: [Healeys] Overdrive=
disengages=0A=0A=09I think I understand now. =0A=0A=09I need to loosen=
the arm on the throttle switch, put a 3/16 spacer=0Aunder the throttle=
stop and adjust the throttle switch so the test=0Alight goes out and th=
en tighten everything up. =0A=0A=09Correct? =0A=0A=09-john =0A=0A=09FROM=
: Healeys [mailto:healeys-bounces@autox.team.net] ON BEHALF OF=0AHank Le=
ach via Healeys=0ASENT: Sunday, July 2, 2023 10:24 AM=0ATO: 'Bob Spidell=
' =0ACC: healeys@autox.team.net=0ASUBJECT: Re: [Healeys] Overdrive disen=
gages =0A=0A=09Bob's got the procedure. Use a .040" feeler gauge (or 3=
/16 drill)=0Aunder the throttle stop (1/5 of the throttle opening). Conn=
ect a 12V=0Atest light to the fuse box and the top terminal on the throt=
tle=0Aswitch. (Good example in Haynes Manual page 124). Light should go=
out=0Aat this adjustment. Solenoid adjustment should be as Bob describe=
s and=0Awork smoothly-no binding. Hank =0A=0A=09------------------------=
----------------- =0A=0A=09From: "Bob Spidell"=0A To: healeys@autox.team=
.net=0A Cc:=0A Sent: Sunday July 2 2023 9:20:10AM=0A Subject: Re: [Heale=
ys] Overdrive disengages=0A=0A Hi John,=0A=0A What keeps the O/D from di=
sengaging immediately when you open the=0Adash switch is the 'throttle s=
witch.' When the O/D is actuated there=0Ais a parallel circuit that will=
keep the O/D activated until you press=0Athe accelerator pedal, theoret=
ically preventing reverse thrust from=0Adamaging the O/D. The parallel c=
ircuit runs through the throttle=0Aswitch on the scuttle (firewall); it=
sounds like you need to adjust=0Ait. It's a simple adjustment using a c=
ertain diameter--I don't recall=0Ait offhand, but I'll look it up if you=
need it--drill bit under the=0Athrottle stop levers. There's a small sh=
aft off the throttle mechanism=0Athat opens this switch--it's just a set=
of points and a cam=0Ainside--with a lever with a pinch clamp. Just loo=
sen the pinch clamp,=0Aset the bit under the throttle stop plate and tig=
hten the clamp.=0A=0A If you O/D is actuating consistently within a coup=
le seconds or so=0Athen your solenoid, operating lever, operating shaft=
and ball 'valve'=0Aare correct. The=0A'stick-a-drill-bit-through-the-le=
ver-into-the-housing' method is=0Anotoriously unreliable; the proper set=
ting is best achieved by=0Ameasuring the lift--IIRC, it's 1/32" but not=
sure--of the operating=0Ashaft at the top of the O/D hydraulic section.=
=0A=0A Bob=0A=0A=09On 7/1/2023 11:55 AM, John Spaur via Healeys wrote: =
=0A=0A=09Hi All, =0A=0A=09My overdrive is functioning again after rep=
lacing the accumulator=0Ahousing and piston but it is exhibiting an odd=
behavior which I=0Abelieve is related to the adjustment of the setting=
lever. =0A=0A=09When I open the toggle switch, the OD will sometimes di=
sengage=0Aimmediately instead of waiting until I blip the accelerator. W=
hen I=0Aadjusted the setting lever, I could not use a 3/16=E2=80=9D dowe=
l to line up=0Athe lever with the hole in the housing. I had to advance=
the lever=0Aclockwise a bit to get the OD to engage when the toggle swi=
tch was=0Aclosed. This has always been the case and this issue is mentio=
ned in=0Asome articles. =0A=0A=09Do I need to fiddle with the setting le=
ver adjustment some more? If=0Aso, do I rotate it clockwise or counter c=
lockwise? =0A=0A=09Any other thoughts? =0A=0A=09TIA, =0A=0A=09John Spaur=
=0A=0A=09=E2=80=9962 BT7 =0A=0A
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<html><body>John- it is a .040 feeler gauge that goes under the throttle=
stop- That is equivalent to about 1/5 throttle opening. That is to set=
the throttle switch. <div><br></div><div>The 3/16 drill bit is use=
d to "static set" the position of the solenoid lever. I agree, that posi=
tion is not alway ideal. Fine adjustment is made at the arm of the solen=
oid in which you get it to the maximum lift and then when it drops it cl=
ears the base about 1/32" at the same time gently pushing it in toward t=
he casing to make sure it does not bind. Solenoid plunger must drop free=
ly. I can send you that page from Haynes manual if it helps you to set t=
he throttle switch. Hank<br><div class=3D"reply-new-signature"></div><p>=
-----------------------------------------</p>From: "John Spaur" <jmsdarc=
h@sbcglobal.net><br>To: "Hank Leach", "Bob Spidell"<br>Cc: healeys@autox=
.team.net<br>Sent: Sunday July 2 2023 6:01:07PM<br>Subject: RE: [Healeys=
] Overdrive disengages<br><br>=0A<div class=3D"WordSection1">=0A<p class=
=3D"MsoNormal"><span style=3D"font-size:11pt;font-family:Calibri, sans-s=
erif;color:#1F497D;">I=0Athink I understand now.</span></p>=0A<p class=
=3D"MsoNormal"><span style=3D"font-size:11pt;font-family:Calibri, sans-s=
erif;color:#1F497D;"> </span></p>=0A<p class=3D"MsoNormal"><span st=
yle=3D"font-size:11pt;font-family:Calibri, sans-serif;color:#1F497D;">I=
=0Aneed to loosen the arm on the throttle switch, put a 3/16 spacer=0Aun=
der the throttle stop and adjust the throttle switch so the test=0Alight=
goes out and then tighten everything up.</span></p>=0A<p class=3D"MsoNo=
rmal"><span style=3D"font-size:11pt;font-family:Calibri, sans-serif;colo=
r:#1F497D;"> </span></p>=0A<p class=3D"MsoNormal"><span style=3D"fo=
nt-size:11pt;font-family:Calibri, sans-serif;color:#1F497D;">Correct?</s=
pan></p>=0A<p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-fam=
ily:Calibri, sans-serif;color:#1F497D;"> </span></p>=0A<p class=3D"=
MsoNormal"><span style=3D"font-size:11pt;font-family:Calibri, sans-serif=
;color:#1F497D;">-john</span></p>=0A<p class=3D"MsoNormal"><span style=
=3D"font-size:11pt;font-family:Calibri, sans-serif;color:#1F497D;"> =
;</span></p>=0A<div>=0A<div style=3D"border:none;border-top:solid #E1E1E=
1 1pt;padding:3pt 0in 0in 0in;">=0A<p class=3D"MsoNormal"><b><span style=
=3D"font-size:11pt;font-family:Calibri, sans-serif;">From:</span></b>=0A=
<span style=3D"font-size:11pt;font-family:Calibri, sans-serif;">Healeys=
=0A[mailto:healeys-bounces@autox.team.net] <b>On Behalf Of</b> Hank=0ALe=
ach via Healeys<br><b>Sent:</b> Sunday, July 2, 2023 10:24 AM<br><b>To:<=
/b> 'Bob Spidell' <bspidell@comcast.net><br><b>Cc:</b> healeys@aut=
ox.team.net<br><b>Subject:</b> Re: [Healeys] Overdrive disengages</span>=
</p>=0A</div>=0A</div>=0A<p class=3D"MsoNormal"> </p>=0A<p class=3D=
"MsoNormal" style=3D"margin-bottom:12pt;">Bob's got the=0Aprocedure.&nbs=
p; Use a .040" feeler gauge (or 3/16 drill) under the=0Athrottle stop (1=
/5 of the throttle opening). Connect a 12V=0Atest light to the fus=
e box and the top terminal on the throttle=0Aswitch. (Good example in Ha=
ynes Manual page 124). Light should go=0Aout at this adjustment. Solenoi=
d adjustment should be as Bob=0Adescribes and work smoothly-no binding.=
Hank</p>=0A<p>-----------------------------------------</p>=0A<p class=
=3D"MsoNormal" style=3D"margin-bottom:12pt;">From: "Bob=0ASpidell"<br>=
=0ATo: <a>healeys@autox.team.net</a><br>=0ACc:<br>=0ASent: Sunday July 2=
2023 9:20:10AM<br>=0ASubject: Re: [Healeys] Overdrive disengages<br><br=
>=0AHi John,<br><br>=0AWhat keeps the O/D from disengaging immediately w=
hen you open the=0Adash switch is the 'throttle switch.' When the O/D is=
actuated=0Athere is a parallel circuit that will keep the O/D activated=
until=0Ayou press the accelerator pedal, theoretically preventing rever=
se=0Athrust from damaging the O/D. The parallel circuit runs through the=
=0Athrottle switch on the scuttle (firewall); it sounds like you need=0A=
to adjust it. It's a simple adjustment using a certain diameter--I=0Adon=
't recall it offhand, but I'll look it up if you need it--drill=0Abit un=
der the throttle stop levers. There's a small shaft off the=0Athrottle m=
echanism that opens this switch--it's just a set of=0Apoints and a cam i=
nside--with a lever with a pinch clamp. Just=0Aloosen the pinch clamp, s=
et the bit under the throttle stop plate=0Aand tighten the clamp.<br><br=
>=0AIf you O/D is actuating consistently within a couple seconds or so=
=0Athen your solenoid, operating lever, operating shaft and ball=0A'valv=
e' are correct. The=0A'stick-a-drill-bit-through-the-lever-into-the-hous=
ing' method is=0Anotoriously unreliable; the proper setting is best achi=
eved by=0Ameasuring the lift--IIRC, it's 1/32" but not sure--of the oper=
ating=0Ashaft at the top of the O/D hydraulic section.<br><br>=0ABob<br>=
<br></p>=0A<div>=0A<p class=3D"MsoNormal">On 7/1/2023 11:55 AM, John Spa=
ur via Healeys=0Awrote:</p>=0A</div>=0A<blockquote style=3D"margin-top:5=
pt;margin-bottom:5pt;">=0A<div>=0A<p class=3D"MsoNormal">Hi All,</p>=0A<=
p class=3D"MsoNormal"> </p>=0A<p class=3D"MsoNormal">My overdrive=
=0Ais functioning again after replacing the accumulator housing and=0Api=
ston but it is exhibiting an odd behavior which I believe is=0Arelated t=
o the adjustment of the setting lever.</p>=0A<p class=3D"MsoNormal">&nbs=
p;</p>=0A<p class=3D"MsoNormal">When I open=0Athe toggle switch, the OD=
will sometimes disengage immediately=0Ainstead of waiting until I blip=
the accelerator. When I adjusted=0Athe setting lever, I could not use a=
3/16=E2=80=9D dowel to line up the=0Alever with the hole in the housing=
. I had to advance the lever=0Aclockwise a bit to get the OD to engage w=
hen the toggle switch was=0Aclosed. This has always been the case and th=
is issue is mentioned=0Ain some articles.</p>=0A<p class=3D"MsoNormal">&=
nbsp;</p>=0A<p class=3D"MsoNormal">Do I need to=0Afiddle with the settin=
g lever adjustment some more? If so, do I=0Arotate it clockwise or count=
er clockwise?</p>=0A<p class=3D"MsoNormal"> </p>=0A<p class=3D"MsoN=
ormal">Any other=0Athoughts?</p>=0A<p class=3D"MsoNormal"> </p>=0A<=
p class=3D"MsoNormal">TIA,</p>=0A<p class=3D"MsoNormal">John Spaur</p>=
=0A<p class=3D"MsoNormal">=E2=80=9962 BT7</p>=0A</div>=0A<p class=3D"Mso=
Normal"> </p>=0A</blockquote>=0A<p class=3D"MsoNormal"><br><br></p>=
=0A</div>=0A</jmsdarch@sbcglobal.net></div></body></html>
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