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  • Impeller, what are signs it needs replaced? - iboats Boating Forums
    With the early style (short stiff vanes) impeller t does need to be replaced at an interval no greater than 2 years, but annual is best Usually by the time you get the drive pulled apart and the impeller housing off, what with using new base plate gaskets anyway, you might as well replace it anyway Peace of mind and cheap insurance Chris
  • how often do you change your impeller? - iboats Boating Forums
    Re: how often do you change your impeller? So here is the real deal If you use your boat the impeller wears, needs replacing If you don't use your boat the impeller sits in the housing with the blades bent over and looses it's elasticity So either way it goes bad Suggested replacement interval is every other year
  • Impeller lubricant | Boating Forum - iboats Boating Forums
    Re: Impeller lubricant Forgot to add one more thing Before you crank the motor to check out the water pump ensure you have the water on for about a minute before you crank her over on the muffs to ensure water gets into the water pump
  • Grease for impeller? | Boating Forum - iboats Boating Forums
    Re: Grease for impeller? ^^ i have to agree! i install the impeller dry, into the housing, align the drive pin , and set the housing down over it works every time no need for "ease of installation'
  • Correct rotation for impeller - iboats Boating Forums
    Re: Correct rotation for impeller The impellor rotates in and offset housing On one side the fins get almost 100% straight and on the other side they get bend considerably The bending action makes the space between the fins smaller forcing the water out into the cooling system of the motor
  • How long can a motor run out of water before impeller damage?
    Re: How long can a motor run out of water before impeller damage? might be lucky, might not had an impeller that worked still after 2 minutes of run time had one that went out 5 seconds after cranking up its rubber inside a dry housing friction will heat it up and melt deform it you may still get a pee stream but it probably wont be nearly as strong
  • Replacing Impeller on Alpha 1 Gen II - iboats Boating Forums
    Re: Replacing Impeller on Alpha 1 Gen II Below is the information from the OEM service manual Video's are good for getting a rough idea of what you are doing, but you need to make sure the steps are done properly and per the manual View attachment A1G2 R R pdf View attachment A1G2 Impeller Replace pdf
  • Frequency of impeller replacement? - iboats Boating Forums
    The impeller is a completely different animal to the impeller in an Alpha One Yes, Alpha One impellers need to be changed every other year, at least But the Gen II impeller is a long vane or 'floppy' impeller and has a considerably longer life Most will last the 3 years recommended service interval without any problem whatsoever
  • Which Direction to Curve Water Pump Impeller Blades
    Re: Which Direction to Curve Water Pump Impeller Blades A look at which way the motor turns will tell you which way to have the impeller blades turned Just place the new impeller on the drive shaft and alingn the keyway and turn the drive shaft the same way as the motor would Putting a little lube (dish soap) on the impeller helps when putting it back together That drive shaft should turn
  • Alpha I Gen II Impeller Replacement - iboats Boating Forums
    The old impeller is in-tact with only minor wear marks on the blades, it feels just as soft as the new one, so I'm not sure how long it has been on Maybe the overheating happened prior to this one being installed





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