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Re: [Healeys] O/D relay repair

To: "Pieter and Linda" <pieters@pt.lu>
Subject: Re: [Healeys] O/D relay repair
From: "Alex" <alexmm@roadrunner.com>
Date: Wed, 7 Apr 2010 08:42:46 -0400
The price I mentioned was from perusing the British Specialists catalog and 
the Moss catalog. Check it out.

Thanks for the information though!

== Alex


----- Original Message ----- 
From: "Pieter and Linda" <pieters@pt.lu>
To: "Alex" <alexmm@roadrunner.com>
Cc: <healeys@autox.team.net>
Sent: Wednesday, April 07, 2010 1:47 AM
Subject: Re: [Healeys] O/D relay repair


> Clever fix Alex. $200 for  new one?? I am pretty sure the relay is a
> SRB111 and you can get them from www.holden.co.uk for 25pounds and
> even cheaper from Stafford Vehicle Components. Mind you, your repair
> is probably quicker than the post and cheaper as well.
> cheers
> Pieter
> On 07/04/2010, at 4:05 AM, Alex wrote:
>
>> The overdrive on my trusty BT7 decided to act up the other day,
>> dropping the
>> O/D in and out. After a bit of troubleshooting with a voltmeter, I
>> determined that the O/D relay was defective. But---yuk--$200 for a
>> replacement! No way, Jose.
>>
>> I pulled the Lucas relay from the car and opened it up on the bench.
>> This is
>> very easy to do; just peel back the tabs. Sure enough, the contacts
>> were
>> almost totally disintegrated, and the coil was open.
>>
>> So, I drilled out the retaining rivet and discarded the remains of the
>> original innards. I then cleaned up the enclosure and buffed clean the
>> external screw contacts.
>>
>> Next I located a miniature 12V 30A relay (the one I scrounged was
>> from a
>> BMW). These mini automotive relays are quite common.
>>
>> I removed the case from the mini relay, in order to make it smaller.
>> I then
>> lined the innards of the original enclosure with electrical
>> insulating paper
>> (often called fish paper), and installed the new relay inside the
>> original
>> Lucas enclosure, holding it in place with a large locknut-type solder
>> terminal that's affixed to the W2 terminal.
>>
>> The new relay works like a champ, pulling in my solenoid nicely.
>> Back in
>> business for less than $5.
>>
>> == Alex in Maine
>>     "The Blue Mainie," 1960 Austin Healey 3000 BT7
>>     "Conkling," 1946 MG TC #1321
>>     Former owner 1957 A-H 100-6, 1967 A-H BJ8,
>>     1965 MG Midget
>>     http://home.roadrunner.com/~alexmm


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