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#12
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Sheep ****e. This is SOP in most shops and in many service manuals I have
read this is SOP. I have NEVER seen an impeller fail from petroleum based oil products. That's just silly. I've done this for many years and with every kind of engine, make, model you can imagine and what you describe has never been a problem. "Sexytom976" wrote in message oups.com... One more thing to add here.... do not EVER, EVER use 2 cycle or any other petrolium based oil on a water pump impeller. This will destroy the rubber in no time. |
#13
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What Johnson manual says to lube up the rubber impeller with
oil based lubricant? What about the johnson impeller kits? The only lube the put in there is for the top of the lower unit to connect to the engine. If you think manufacturers over engineer products just for the hell of it, you are mistaken. Technically you probably dont even need to lube it up in the first place. When submerged in the water the impeller is underwater. When connected to muffs, water is being forced in. Sort of explains why OMC or Bomb. doesnt include it in the kits. In any case, certain types of rubber dont do well when exposed to oil. I am not saying its going to fall apart immediately, BUT lets say I change mine now. Ok so I put it together and put it on the boat. I can't start my boat for the next 2 months (winter) So all that time the oil can just sit and soften up the rubber. What happens over time?? Nothing much... just premature failure. I guess that is good for the shops. Blown powerheads make LOTS of money. Just because you and possibly other shops do it doesnt make it right. In addition to this, I can't say what Merc, Honda, or any other brands suggest what to use. I DO know that there are different types of rubber used for different applications. Just because its rubber doesnt mean that safe to use with petrolium. There has been lots of discussion about what to use in previous posts. Check it out. Tom none wrote: Sheep ****e. This is SOP in most shops and in many service manuals I have read this is SOP. I have NEVER seen an impeller fail from petroleum based oil products. That's just silly. I've done this for many years and with every kind of engine, make, model you can imagine and what you describe has never been a problem. "Sexytom976" wrote in message oups.com... One more thing to add here.... do not EVER, EVER use 2 cycle or any other petrolium based oil on a water pump impeller. This will destroy the rubber in no time. |
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