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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #1  
Old 05-21-2008
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Impeller Trick

I changed my impeller this last weekend and thought I would share a trick I have never done before. Maybe it will help some of you??

Usually when changing the impeller, I "twist it" in the direction I want it to spin in and push it back into the slot, Depending on the space you have and access, this is kinda tough to do and often you drop it or it tries to pop out is it is not all the way in.

But here is a neat little trick: Get a zip tie. Squeeze the imeller blades in the direction you want them to spin in and zip tie them down that way. Now, super grease up the blades with dish soap for lubrication. I also wipe the dish soap on the inside of the pump housing. Now, simply push the impeller back in the slot. It goes in effortlessly and the zip tie pops off in your hand.

Piece of cake. I did it on my main, my genny, and dad's main. It makes changing the impeller a lot quicker and easier.

Hope that helps some of you.

- CD
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Old 05-21-2008
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Quote:
Originally Posted by Cruisingdad View Post
I did it on my main, my genny, and dad's main. It makes changing the impeller a lot quicker and easier.

Hope that helps some of you.

- CD
Wow, what kind of new fangled Catalina sails are these that they need an impeller??

P.S. Thanks for the tip!!
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Old 05-21-2008
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Thanks CD, years ago I had to buy a small jar of a lubricant made for O-rings (I think) that was expensive but has turned out to be a lifetime supply of impellor lube instead of the soap. Besides easing installation it protects the impellor until the water gets to it.
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Old 05-21-2008
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I've been using impellers on my main for years. They add a couple of knots.
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Old 05-21-2008
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I had read about this somewhere awhile ago. I've been using this trick since I've owned my boat and it works everytime.
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Old 05-21-2008
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Quote:
Originally Posted by EO32 View Post
I've been using impellers on my main for years. They add a couple of knots.
I put an impellor on my anchor and have held tight in a force 8 gail. It's a breeze to change.
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Old 05-21-2008
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That's a good trick CD - will remember it next time I'm hanging upside down in my engine bilge.

However, what I've always done effortlessly, is to insert the impeller using needle-nose pliers. One prong is inserted into the bronze bushing, the other gripping against the rubber cladding, between two vanes. This way a lubed impeller is easily inserted, while simultaneously pushing and twisting into the pump housing - and, can be removed in similar fashion. When halfway in of course, the pliers are removed and it's then pushed in the remaining distance by hand.
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Last edited by TrueBlue; 05-21-2008 at 12:27 PM.
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Old 05-21-2008
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Thanks CD, I'll try that next time I'm in there.
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Old 05-21-2008
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For those of you unfamiliar with a Catalina main sail, here's a photo of it...



and here's a photo of the Catalina CD-edition Genny:

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Thanks SD...gotta admit I had no idea what he was talking about - I didn't remember CDs sense of humour being that dry, but I was all about it...but it was funnier that way.
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