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Old 24-02-2016, 08:02   #31
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Re: Volvo Penta Rebuild Woes - Any Ideas?

I was saying disconnect the fuel lines on the diaphragm pump, but if you don't have a block off plate or something then you can't remove the pump.
Most pumps operate off an arm running on a lobe on the cam put there for this purpose and simply removing the pump and installing a block off plate is sufficient, but some engines, small block Chevy comes to mind have a push rod that transfers the movement from the cam to the pump, so that push rod ought to be removed as well.

If you have a diaphragm fail, 99 times out or 100 you can simply disconnect the fuel lines, connect them to an electric pump and drive on, after changing the oil and filter of course.
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Old 24-02-2016, 19:26   #32
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Re: Volvo Penta Rebuild Woes - Any Ideas?

You gave good advice& analysis guyfrmiowa but nothing cheap about a Yanmar mechanical fuel pump. $360 here I bought an electric one for $15 as a spare but will continue to run the mechanical until it fails. It's lasted since 1980 as far as I know so I suspect it is more reliable than electric
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Old 25-02-2016, 06:14   #33
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Re: Volvo Penta Rebuild Woes - Any Ideas?

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It would be really funny if the price for the class were equal to the proposed discount...

LOL, I just can't get anything by you guys

But seriously, the discount will be a lot better than the price of admission. I was just trying to cover the costs of food and drinks.

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Old 25-02-2016, 06:16   #34
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Re: Volvo Penta Rebuild Woes - Any Ideas?

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Originally Posted by a64pilot View Post
I was saying disconnect the fuel lines on the diaphragm pump, but if you don't have a block off plate or something then you can't remove the pump.
Most pumps operate off an arm running on a lobe on the cam put there for this purpose and simply removing the pump and installing a block off plate is sufficient, but some engines, small block Chevy comes to mind have a push rod that transfers the movement from the cam to the pump, so that push rod ought to be removed as well.

If you have a diaphragm fail, 99 times out or 100 you can simply disconnect the fuel lines, connect them to an electric pump and drive on, after changing the oil and filter of course.
Yes... disconnecting the lines would definitely eliminate fuel leaking into the crankcase!!!

We were apple-oranging...
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