[Public-List] Still leaks - seating the pump

[mahseer at kos.net]

It's always good to get information about your engine from people who
don't even have the engine in there boat, as I said earlier clean the
surface and replace the gasget using a little sealant.

John Boor
MAHSEER #380

> Thanks
>
> Will be away till the weekend on business, will try the gasket replacement
> when I'm home and will report results
>
> G
>
> Sent from my iPhone
>
> On Jul 20, 2011, at 11:34 AM, "John Birch" <Sunstone at cogeco.ca> wrote:
>
>> Hey Gord,
>>
>> In my Westerbeke tech manual, which I know is a different motor but the
>> Sherwood pump and hookup is quite similar to the Oberdorfer, in the WB
>> Manual, they speak of needing to shim with gaskets sufficient clearance
>> do that the pump drive is not compressing hard into the engine coupling
>> drive slot. They say 1-3 gaskets my be needed to achieve that clearance
>> so that there aren't oil leaks or the risk of damaging the pump seal
>> allowing water to flow into the oil system.
>>
>> During tightening they suggest only hand tight, then jog the engine
>> without starting, to ensure the pump coupling seats squarely before
>> final tightening to pattern.
>>
>> May well be a similar story with the A4 as their pump configurations and
>> couplings appear almost identical.
>>
>> Anyway, just a thought.
>>
>> Good luck Gord
>>
>> John
>>
>>
>> ----- Original Message ----- From: <crufone at comcast.net>
>> To: "Alberg 30 Public List -- open to all"
>> <public-list at lists.alberg30.org>
>> Sent: Wednesday, July 20, 2011 9:20 AM
>> Subject: Re: [Public-List] Still leaks
>>
>>
>>>
>>>
>>> Gord,
>>>
>>> I am not that familiar with the A bomb, but as with most internal
>>> combustion engines I can't concieve that the bolts holding the water
>>> pump in place would enter into an area of pressurized oil, i.e., an oil
>>> gallery. Even if too long a bolt was installed these bolts might only
>>> enter into a water jacket area.
>>>
>>> I do know that on the Grey Marine and I believe also on the A bomb that
>>> the engine oil also lubricates the transmission. Co uld there be a leak
>>> between the t ransmission and engine or aft of the transmission? CB has
>>> suggested this and that would be my guess as well.
>>>
>>> Michael
>>>
>>>
>>>
>>> ----- Original Message -----
>>>
>>>
>>> From: "Gordon Laco" <mainstay at csolve.net>
>>> To: "Alberg 30 Public List -- open to all"
>>> <public-list at lists.alberg30.org>
>>> Sent: Sunday, July 17, 2011 12:55:17 PM
>>> Subject: [Public-List] Still leaks
>>>
>>> Hello
>>>
>>> The oil is coming from the vicinity if the water pump... It only leaks
>>> when the engine is running and it's a slow leak.
>>>
>>> I'll write Moyer tomorrow
>>>
>>> G
>>>
>>>
>>> Sent from my iPhone
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>>
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