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    bmrich's Avatar
    bmrich Posts: 5, Reputation: 1
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    #1

    Feb 9, 2010, 02:39 PM
    How to replace rubber paddle snowblower
    I have a 1989 Aircap 21 inch snow thrower that needs the rubber spirals for the auger replaced. Each spiral has about 6 screws and a pin like mounting piece. The screws come out easily but I haven't figured out how to remove the pin. I've tried (gently) to pry it out but it doesn't want to move and I don't want to break something. I would appreciate any information as to its removal.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Feb 9, 2010, 04:48 PM

    Look on this page http://www.nuttybolts.com/catalog/index.php?cPath=1733 and see if you can identify it as a roll pin (spring pin), dowel pin or cotter pin?

    Also, if you can post a full model #.

    Posting a picture would be great too. Use go advanced/manage attachments.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #3

    Feb 9, 2010, 06:20 PM

    Based on this, they could be riveted: Similar questions with less expensive options replacing snow blower auger impeller paddles repair shop

    That would make a lot more sense to use a couple of rivets and some screws.
    bmrich's Avatar
    bmrich Posts: 5, Reputation: 1
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    #4

    Feb 9, 2010, 10:45 PM
    It is model #PJ602/8431. The picture is the front side. The back does look as though it might be a rivet. If so, how does one remove a rivet?
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    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #5

    Feb 9, 2010, 11:12 PM

    Yep, looks like a rivet. In fact, it almost looks like the classic Pop Rivet.

    They don't remove well. Or should I say, they are time consuming to remove.

    First material, Aluminum, steel or stainless?

    My guess, Aluminum.

    They come in standard sizes 1/8" is a common diameter. These are designed to go into a 1/8" hole.

    They are available in various lengths.

    Take a look here: Blind POP Rivets | Emhart.com

    The tool to set them is fairly inexpensive and you can get small packs at a local hardware store.

    What isn't shown is a precision washer that CAN be used for thin materials.

    In general, they are drilled out with a drill slightly smaller than the hole that they are inserted into.

    Sometimes they drill cleanly and sometimes they do not.

    So, cutting, sawing and a Dremel tool with some Vise grips can be used.

    This is a poor man's way: YouTube - Pop Rivet Removal

    This looks too easy: http://www.youtube.com/watch?v=LDQ-wnACGGs
    bmrich's Avatar
    bmrich Posts: 5, Reputation: 1
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    #6

    Feb 10, 2010, 08:32 AM

    Thanks for the advice. I'll give the drill method a try. I guess my only question now is: why was a rivet even used on an item that will eventually need replaced? Especially given that it also had the self tapping screws. Seems like overkill.
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
    Outdoor Power Equipment Expert
    		  
    #7

    Feb 10, 2010, 08:38 AM

    Hi,
    The rivet was used to try to prevent mechanical loosening of the screws during use. It can also be a quick fastening technique for assembly during manufacture.
    Peace,
    Clarke
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