Good on ya, Brian.
(And mea culpa for the things I said about your mechanic back in the day. )
😎. Rick
On Sep 8, 2016 1:45 PM, "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
wrote:
> An excellent outcome for you. And three cheers for OMC as well for
> accepting responsibility for a design error made more than *44* years ago.
>
> Chuck Norcutt
>
>
> On 9/8/2016 8:56 AM, bj@xxxxxxxxxxxxxxx wrote:
>
>>
>>
>> Re: http://zone-10.com/tope2/main.php?g2_itemId=20092
>>
>> You might
>> remember that about a year ago my main outboard motor suffered a severe
>> over heating problem, somewhat illustrated in the photos above.
>>
>> Today
>> I had the opportunity to call in on the repair man, and this is what he
>> told me (short version).
>>
>> The motor overheated because the keyway in
>> the core of the water-pump impeller (connecting the drive-shaft with the
>> impeller) sheared, so that the impeller didn't turn and pump the cooling
>> water through the motor.
>>
>> He discovered that unlike what he was used
>> to, the material in the core of the rubber (with fins) was made of some
>> kind of ??fibreglass material which just could not take the strain, and
>> crumbled. Usually these things are made of brass or bronze and do not
>> fail like this.
>>
>> The OMC Corporation in the USA have accepted
>> responsibility for the failure and will be paying for the repairs. Even
>> more, they have recalled all of the impellers with the fibreglass core.
>>
>>
>> The motor is in bits, but surprisingly has little damage and is hardly
>> worn - this is a 1972 motor that I have owned since about 1975 ( with 30
>> years sitting idle, with periodic lubrication by me during those years).
>>
>>
>> The bores, crankshaft, pistons & bearings are in excellent shape. The
>> piston rings have been renewed, as have all top-end gaskets and some
>> sender units. The two cylinder heads had become warped and have been
>> replaced with two good used ones. He will repaint the overheated motor
>> exterior.
>>
>> Needless to say I am delighted with the outcome, so far.
>>
>>
>> Cheers, Brian
>>
>>
>> --
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