[Healeys] O/D relay repair

[Alex]

Hi again Pieter,

I looked up the SRB111 relay that you mentioned, and it looks like it could 
be a substitute, but would require modification of the wiring terminals. 
Purists might want to retain the original O/D relay enclosure, which my 
repair/modification does.

Highest regards,

== Alex

----- Original Message ----- 
From: "Alex" <alexmm at roadrunner.com>
To: "Pieter and Linda" <pieters at pt.lu>
Cc: <healeys at autox.team.net>
Sent: Wednesday, April 07, 2010 8:42 AM
Subject: Re: [Healeys] O/D relay repair


> 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 at pt.lu>
> To: "Alex" <alexmm at roadrunner.com>
> Cc: <healeys at 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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