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Thread: PC 7518 bearings?

  1. #1
    Join Date
    May 2003
    Location
    Fredericksburg, VA
    Posts
    1,900

    Question PC 7518 bearings?

    I have a 7518 and the bearings are going out. Can they be replaced by me or would I have to "send it in"? Is it worth the repair? A new motor is $300!

    Any help will be appreciated.
    If sawdust were gold, I'd be rich!

    Byron Trantham
    Fredericksburg, VA
    WUD WKR1

  2. #2
    Join Date
    Jul 2009
    Location
    Mission, Texas
    Posts
    976
    The top bearing is a piece of cake, the lower(collet end), not so much.Take it easy when removing the bearing.The fan is quite fragile. If you break it, you'll need a new armature. We cut the bearing off with a air cutoff tool rather than trying to heat or press them off.
    Good luck
    Mick

  3. #3
    Join Date
    Jan 2010
    Location
    LA & SC neither one is Cali
    Posts
    9,447
    I am just curious how much have you used the 7518 and how old it is. I assume it lives in a table? Also I am not even sure of the dates but is this one from the time they cut back on bearing quality, the CNC folks had issues with them overheating, subsequently fixed as I understand it.

  4. #4
    many cnc routers replace the bearings for the pc 3.25 hp routers and get plenty of life from them, i get mine from mann tool 803 252 7777

  5. #5
    Join Date
    Sep 2009
    Location
    Medina Ohio
    Posts
    4,534
    I replaced my bearings in about 1 hour. Just be careful on the lower bearing. I used an impact wrench to loosen the nut. You need to snap it lose with the impact. I know you can get bearings from shopbot or any dewalt repair center.

  6. #6
    Join Date
    May 2003
    Location
    Fredericksburg, VA
    Posts
    1,900
    Quote Originally Posted by Van Huskey View Post
    I am just curious how much have you used the 7518 and how old it is. I assume it lives in a table? Also I am not even sure of the dates but is this one from the time they cut back on bearing quality, the CNC folks had issues with them overheating, subsequently fixed as I understand it.
    I've used it a lot. I bought in 2002 from woodpeckers with their PRL. Can't complain I guess.
    If sawdust were gold, I'd be rich!

    Byron Trantham
    Fredericksburg, VA
    WUD WKR1

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