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  1. #27
    Join Date
    Oct 2019
    Location
    N. FL.
    Posts
    8
    Post Likes
    Yep, few years back, after allot of work, the old shop man suggested I use a heater from a Freezer Drain line. I wrapped it around the shaft and left it there till the next morning. I re-drilled and tapped the end of the shaft to get a 1/2" all thread in about 2". Then a shop made 1/2" Steel "C" plate used as hub bracket and Then.... Wolla.. 2 guys over 12 hrs.
    Oh Yeah, we also used 2 cans of Penetrating Spray. Concentrated on Set Screw (removed) and Key way

    Best of Luck!!!

  2. #28
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    31,473
    Post Likes
    Well done!
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
    Member, IAEI

    AOP Forum Rules:







  3. #29
    Join Date
    Nov 2011
    Location
    East Side
    Posts
    6,700
    Post Likes
    Good job! I just did a horrible one. 30 year old AHU. 2+” shaft with two 27” air foil wheels. Had to cut everything off with grinder except the sheaves. Wheels ended up in many pieces, shaft several pieces. everything fought every inch of the way. New wheels, bearings, shaft and sheaves.

    Finally got it running and it was going backwards. I figure it’s been that way for years....go figure!

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