[Healeys] Intermittent OD:the answer

Peter Schauss rpschauss at gmail.com
Tue Sep 21 20:00:04 MDT 2010


There is also an end float specification for the shaft which runs through
the overdrive.  If you don't allow enough end float, the solenoid will not
be strong enough to overcome the friction.

Peter Schauss
1963 BJ7
1980 MGB 

> -----Original Message-----
> From: healeys-bounces at autox.team.net [mailto:healeys-
> bounces at autox.team.net] On Behalf Of Jim LeBlanc
> Sent: Tuesday, September 21, 2010 7:40 PM
> To: healeys at autox.team.net; Richard Antal
> Subject: Re: [Healeys] Intermittent OD:the answer
> 
> Your solenoid will burn out after a few hours, if you fail to correctly
> set
> the rise and fall of the plunger. Follow the procedure to set the
> overdrive
> "operating valve".
> 
> The correct adjustment requires loostening the 1/4 inch bolt with a 7/16
> wrench on the 1/4 inch shaft running thru the overdrive. The book calls
> for
> the valve to rise 1/32 of an inch. When trhe valve is up, the solenoid
> plunger
> needs to be all the way up the solenoid body. In the top of the solenoid,
> there is a tiny switch that shuts off one of the two internal coils.
> Failure
> to get the plunger all the way up keeps the second coil activated
> resulting in
> premature coil burn-out.
> 
> Best Regards,
> 
> Jim LeBlanc
> 1956 100-M


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