OMC vs HF flywheel puller

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This topic contains 87 replies, has 24 voices, and was last updated by Avatar johnyrude200 3 years, 1 month ago.

Viewing 15 posts - 46 through 60 (of 88 total)
  • frankr
    frankr
    US Member - 1 Year
    Replies: 4392
    Topics: 43
    #41237

    You’ll never hear me say this, but maybe it is time to make an exception. Do as you just said, but get a bigger hammer and whack the hell out of that center bolt. And don’t tell anybody I said that.

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    wetwillie

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    #41238

    LOL
    Thanks Frank.I believe I will do just that.
    My lips are sealed. lol
    Al

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    vintin
    US Member - 2 Years
    Replies: 560
    Topics: 17
    #41239
    quote Wedgie:

    quote Steve A W:

    Just a little quick tip.
    On my puller bolts I put electrical shrink tube on them
    so there is only 7/16 inch of threads showing.
    Can’t run them in too far with this.

    Steve A W

    3/8 OD poly tubing also screws right onto the threads using a pair of channel lock pliers. Makes a nice shoulder but not one you want to tighten up against as it will move.

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    theodore

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    #41245

    Sometimes on my cars suspensions, I have a situation like this where there’s a tapered pin in a bore. Use an air hammer with a blunt tip on the center bolt. All that shaking and vibrating makes it pop loose.

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    bullie

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    #41246

    Maybe I am not picturing this flywheel correctly but how are you getting under the flywheel with a strap without also getting under the plate? I may not have right idea at all but it seems the strap would be pulling up on the magplate and not the flywheel.

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    jerry-ahrens
    US Member - 1 Year
    Replies: 1016
    Topics: 70
    #41248

    I always use an impact wrench with my OMC puller, have did it a gazillion times with no problem. I keep the threads of the puller well lubricated though. if you have a cheaper 1/2 inch air impact, try using that to tighten down the big center bolt. The hammering action helps pop them loose. Now….. please use common sense, don’t use a high powered impact wrench and destroy the flywheel ! Use a couple gentle bursts, along with some taps with a ball peen hammer. I’ve used the impact for years this way, mainly because it’s faster, and I don’t have time to wait.

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    wetwillie

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    #41249
    quote Bullie:

    Maybe I am not picturing this flywheel correctly but how are you getting under the flywheel with a strap without also getting under the plate? I may not have right idea at all but it seems the strap would be pulling up on the magplate and not the flywheel.

    Understandable. The straps don’t extend under the flywheel very far. I’ll post a picture when the one I emailed myself from my cell phone arrives in my Inbox. Sometimes it takes longer than other times. FW reason, I have no idea.

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    wetwillie

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    #41251

    I have a pretty HD Craftsman electric impact gun. It is not adjustable. Just squeeze the trigger and it starts turning. I would expect the jarring of the impact to break it loose. It didn’t with the HF puller. I have not tried it with the OMC one because of the leverage I could get on it by putting 2′ cheater pipes on the breaker bar and the puller bar. I don’t mind admitting that I’m a little gun shy of using the impact gun after breaking 2 bolts. I’m wearing goggles as a result of that experience. There is a good coating of Nevr-Sieze on every bolt.
    Everything is still under tension and I feel like I’m walking around a bomb that’s about to go off. lol

    Steve D
    Steve D
    US Member - 1 Year
    Replies: 473
    Topics: 61
    #41261
    quote FrankR:

    What you are doing is raise the whole kaboodle upward so the shaft has somewhere to go (and out of the flywheel). It makes no difference how you raise it. A pry with a big screwdriver is most convenient with most people. Use whatever solid and sturdy fulcrum point is handy to pry against.
    quote WetWillie:

    I thought you might have a suggestion as to what to pry against when I’m lifting up on the flywheel.

    Willie, Not sure if you have a similar spot on your motor but this has worked for me before.
    upload images free

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    vintin
    US Member - 2 Years
    Replies: 560
    Topics: 17
    #41262

    Before I swing the BFH I think I’d put a piece of wood under that pry bar so as to not mar up the motor.

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    wetwillie

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    #41263

    I could pry it (with wood in place) but would be a little apprehensive about applying so much force to such a small contact area under the flywheel and to just one side of the flywheel.
    I found a small sledgehammer in my garage this evening and took a couple of whacks at it. Nothing. I’ll leave it under tension tonight and try blasting the interface with a jet of cold air after heating the surrounding area with a Bernzomatic.
    Surely, this thing will let go eventually.

    Steve D
    Steve D
    US Member - 1 Year
    Replies: 473
    Topics: 61
    #41264

    The wood’s a good idea of course and as far as applying force under the flywheel, you really just want to lift it enough to get the slack out of the slight movement in the crank that was mentioned before.

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    wetwillie

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    #41266

    Gotcha Steve, and you’re absolutely right! I’ve become so focused and getting the flywheel off that I forgot the purpose of prying it up.
    Personally, I’m pretty proud of the set up I devised with the whole motor being supported by it. lol

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    wedgie

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    #41267

    Careful with the heat as it is easy to cook the coils 😯

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    wedgie

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    #41268

    Careful with the heat as it is easy to cook the coils 😯 I Had a heck of a time getting the flywheel off this Ski Twin once, so I feel your pain. I put in a pair of Atom modules so I wont have to go in there to clean the points anymore 😡 Just pulled it out of storage to clean it up, and maybe take it out once before I have to go back to work on Tuesday 😥

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