What is the purpose of this fuel pump “deflector” ?

This topic has 3 replies, 4 voices, and was last updated 4 years, 3 months ago by Mumbles.

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November 30, 2021 at 7:33 am #250481
outboardnut
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Is it to deflect heat? vibration?
November 30, 2021 at 7:59 am #250485
JACQUES
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part 303680 on the RD no definition on marineengine.com but heat blocker sounds OK …could be just a spacer ….F.R. would know 🙂

http://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1964&hp=40&model=RD-26&manufacturer=Johnson&section=Electric+Starter+Powerhead+Group

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November 30, 2021 at 10:46 am #250487
frankr
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I’ dunno, but I always supposed heat. But if the bypass port gets that hot, you got really bad problems other than that. I do know it works just as well without it.
November 30, 2021 at 12:32 pm #250492
Mumbles
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OMC used these in thee early days of fuel pumps as a heat shield until they realized they weren’t necessary.
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