electrowoman

  • Karma: +1/-0
Impeller nut
« on: April 09, 2009, 07:02:50 PM »
How do you guys get your nuts off  :o    3/4 inch drive on the impeller nut or what?  I took the bell off today and stripped it for paint and just check for problems.   How do you keep the shaft from turning?   

I was thinking of using a 2x4 about 8 feet long and wrap a 1/4 inch all thread around the impeller, bolt it through the 2x4  with a rag seperating them as not to dig into the impy..  A poor mans strap wrench.

What are your tricks?  I didn't try to turn it off yet so I don't know if it's going to fight me or not.

I had Tom send me a spare nut just incase.... ::)

Any insight into tricks of the trade would be greatly appreciated!
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pw_Tony

  • Karma: +12/-0
Re: Impeller nut
« Reply #1 on: April 09, 2009, 07:18:24 PM »
Big hammer LOL.... wd40.... Big impact.... breaker bar.... they can be a pain sometimes. I've had to cut a few nuts off, very difficult to do without hurting the shaft. I have video somewhere of me cutting the nut off the Hondo shaft... and then the impeller was stuck.... and to cut that off too
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electrowoman

  • Karma: +1/-0
Re: Impeller nut
« Reply #2 on: April 09, 2009, 08:10:58 PM »
How did you keep it from turning?
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GT Jets

  • Karma: +192/-0
Re: Impeller nut
« Reply #3 on: April 09, 2009, 08:13:59 PM »
How did you keep it from turning?

Keep what from turning? the shaft?

Use a driveline yoke on the splined end with a hardened shaft through the u-joint holes and warm the nut with a propane torch (not too hot)...

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

electrowoman

  • Karma: +1/-0
Re: Impeller nut
« Reply #4 on: April 09, 2009, 08:20:22 PM »
Sounds like a plan :)
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jet boat performance

  • Karma: +25/-0
Re: Impeller nut
« Reply #5 on: April 10, 2009, 08:55:24 AM »
Since we're fortunate to have a Deep socket and 3/4 impact thats our "prefered" method but a theres a dozen other ways to get this stuck nut off in a pinch ,call if you need help   Tom

Plan "Z" is a die grinder thru a nut  "flat"  and a splitter chisle  :banghead:
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electrowoman

  • Karma: +1/-0
Re: Impeller nut
« Reply #6 on: April 10, 2009, 03:24:22 PM »
I just borrowed a wrench from one of our mechanics.  Is it 1 7/8 or metric Tom?
The fit is a tad loose but it's boxed.  I'm not worried about it rounding.

What size is the key way?   If you guys know that I'll take some stock home with me and
make one.
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gregb

  • Karma: +1/-0
Re: Impeller nut
« Reply #7 on: April 10, 2009, 07:16:17 PM »
It's 1-13/16"    not sure about the keyway. 
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GT Jets

  • Karma: +192/-0
Re: Impeller nut
« Reply #8 on: April 12, 2009, 06:16:13 PM »
Well?

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

TJS Nordic

  • Karma: +2/-0
Re: Impeller nut
« Reply #9 on: April 12, 2009, 06:26:30 PM »
I bought a cheapo NAPA socket 1 13/16ths cut and spliced it so it is longer. Works great. I think the keyway is 1/4".
  T.J.

« Last Edit: April 12, 2009, 06:30:14 PM by TJS Nordic »
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electrowoman

  • Karma: +1/-0
Re: Impeller nut
« Reply #10 on: April 13, 2009, 01:23:11 PM »
It was a good day.  My little poor mans strap wrench worked to perfection and the job is done.
The key way was fine.  The impeller came off with out heat or swearing  ;D

The rock grate even came off with no hassle!  3/8 extension with the phillips head and bang it with the hammer to loosen it up.

They all came right out!  I would have guessed 2 or 3 but never all 4.  This thing is a 1977  :o
So it was a goooood day.

Tom's new loader fits like a glove, I'll get longer bolts and finish the job this week.

Thank you again Tom,   "You the man"

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snuff630

  • Karma: +0/-0
Re: Impeller nut
« Reply #11 on: April 21, 2009, 09:48:13 AM »
Does anyone have a socket that I can borrow to get my impeller nut off??  I am rebuilding the pump because the impeller broke 2 weeks ago and I don't have a socket that is deep enough...  :banghead:
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wizard612

  • Karma: +4/-0
Re: Impeller nut
« Reply #12 on: April 21, 2009, 10:47:39 AM »
Old School
I took a 1 13/16 sixpoint socket welded a 4'- 2"daim long pipe to it. Then I used a grinder and a die grinder to the back of the socket and awgered it out so the shaft would fit through it.  We were running a Lenco drive line so the only way to lock up the shaft at the time without a yoke was to use a mother of a screwdriver between the starter ring teeth and braced it against an allen head bold on the motor mount (would use a yoke and a pry-bar now). Couple of light whacks with a hammer while pulling on the pipe shocked it, then just turned it off.  Here's an old racers tip: With stainless impellers only, we always had to use a puller to get the thing off until we honed the impeller just enough to remove it by hand with a single yank
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