Sometimes the cause is to obvious....
Cheers Bert!
Hans
'71 BGT
----- Original Message -----
From: "Bert Palte" <palte@gmx.net>
To: <mgs@autox.team.net>; <h.duinhoven@planet.nl>; <mjaco@xs4all.nl>;
<gabruil@hetnet.nl>
Sent: Tuesday, February 28, 2006 8:41 PM
Subject: Re: Starter Motor Disengages Too Easily / The Solution
> Well, it turned out to be quite simple, after all.
>
>
> Before reassembling the engine to the gearbox, I had already checked the
> ring gear- that seemed to be OK.
> I had already done what has been suggested by Paul, i.e. to check the
> timing.
> Next, I cleaned the spiral gear- that was in all likelihood the culprit,
> as the starter gear did NOT move freely
> - in fact, it was pretty difficult to move it.
> Full of expectations I put the starter back into place in the engine
> compartment - alas, to no avail!
> The problem remained.
>
> I went to a shop where I knew they used to rebuild alternators and starter
> motors etc. until about 25 years ago
> (they don't do that any more, it is nowadays cheaper to sell a new one)
> and spoke to one of the older guys there.
>
> It was immediately clear to him when he saw the starter motor - I failed
> to see it, or, rather, I did not recognize it,
> simply not knowing what to look for.
> The gear teeth were chamfered over about 5 mm of a total of 20 mm length.
> He brought me a new gear where the teeth are only chamfered over about 1
> mm and told me the old gear had worn out.
>
>
> And yes, I put the new gear in and the starter motor works just fine now.
> Problem solved!
>
>
>
>
> At 16:14 5-2-2006, I wrote:
>>[Only Very Slightly OT]
>>
>>Hi fellow listers,
>>
>>I'm having a problem currently with a car with a Lucas starter motor,
>>Model M35G,
>>(_not_ the pre-engaged type with the solenoid on top of it, where the
>>solenoid also
>>shifts the gear into active position but rather it is a starter motor
>>where the solenoid
>>has been placed elsewhere).
>>
>>The problem is that upon the very first firing of the engine, the gear
>>disengages,
>>so that the starter motor continues to spin at much higher RPM,
>>but without spinning the engine, so that the engine will not start.
>>
>>I have owned the car for almost 28 years now, but it has not been driven
>>for the last 22 years.
>>When I remember correctly, the car has been doing this occasionally when I
>>still used it as my daily driver,
>>until 1982 or so, but not to this extent where I can't get the engine
>>started any more.
>>
>>Before taking the starter motor apart: does anyone have an idea?
>>I checked and adjusted the ignition timing so that shouldn't be the cause.
>>
>>The car is a 1972 Sunbeam Sceptre [Hillman Hunter based].
>>
>>
>>Bert
>>who also has a 1970 MGB
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