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Old 18-06-2007, 16:11   #1
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Impellor change

Hey team, I noticed that Volvo included a little tube of glycerin with the new impellor I bought last time I needed to change on my MD-11 engine. But Iíve never run into need for glycerin before. Is this something Volvo does alone? Do other systems suggest it? Will I burn up an impeller if I donít use it?
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Old 18-06-2007, 17:27   #2
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Quote:
Originally Posted by danleach
Hey team, I noticed that Volvo included a little tube of glycerin with the new impellor I bought last time I needed to change on my MD-11 engine. But Iíve never run into need for glycerin before. Is this something Volvo does alone? Do other systems suggest it? Will I burn up an impeller if I donít use it?
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The lubricant is included for those first few seconds of operating a new implellor when there will be no water in the system. Lubricating it after installation will help it in those initial moments, and in doing so, will give you a longer service life out of the new impellor.
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Old 18-06-2007, 23:06   #3
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OK, I get that. But does it have to glycerin? That's not in my toolbox. Alternatives?
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Old 18-06-2007, 23:26   #4
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Quote:
Originally Posted by danleach
OK, I get that. But does it have to glycerin? That's not in my toolbox. Alternatives?
Try spray silicone liquid, like for rubber hose assemblies or wet suits. Actually, any lube will work as long as it's not on there for very long........_/)
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Old 19-06-2007, 00:17   #5
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Try KY Jelly. Works wonders and disolves in water.

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Old 19-06-2007, 19:32   #6
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A little liquid dish soap works just fine. Most any type of slickum that won't eat the impeller is good.

Aloha.........Gerry
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