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  1. #1
    Join Date
    Apr 2018
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    18
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    Replacement fan motor?

    I’m working on a Harford freezer with RDI evaporator coil. Two of the four fans quit this week. The EC motors are very short front-to-back and have a threaded shaft. I couldn’t find anything at Aireco that would work so I called Heritage parts for OEM. My price on the motors is $XXXXXXX each! Does someone know of a reasonable replacement?Name:  IMG_1645.jpg
Views: 349
Size:  2.29 MB


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    Last edited by Dad; 03-26-2020 at 09:03 AM.

  2. #2
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
    6,858
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    I just went through the same thing

    I bought 2 fans and bent over without any KY jelly to pay for them .....the new motors lasted 1 year

    Im like screw this

    Took all 3 fans out , tossed them .... no actually Im pretty sure I hurled them with great force ..... into the trash pile, went and bought the typical fan setup you see in Heatcraft freezer , the brackets , motors , blades , problem solved

  3. Likes bacciagalupe liked this post.
  4. #3
    Join Date
    Jan 2010
    Posts
    19,279
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    You could practically by a new evaporator for that price.
    ECM = junk !

  5. #4
    Join Date
    Jun 2009
    Location
    DFW, TX
    Posts
    1,478
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    https://www.mcmillanelectric.com/products/4064s-2/

    I've used this one successfully

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  6. #5
    Join Date
    Jan 2016
    Location
    The triangle in the Keystone
    Posts
    1,265
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    RDI coils are built by HTGP and It’s not as easy to change them over to a PSC motor. If your gonna get rid of the ECM then the brackets and fans need replaced too.

    I had better luck with Heatcraft coils where the original fan and brackets could be reused.

  7. #6
    Join Date
    Apr 2018
    Posts
    18
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    Thread Starter
    Thanks to everyone who replied. I wound up with a simple solution to get my PSC motor in there. Four 1/4-20 coupling nuts and some threaded rod were used to extend the bracket arms. It still barely fits after sawing off the front studs and what’s left of the rear ones. I put Locktite on the extensions so...fingers crossed.


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  9. #7
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
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    pics or it never happened

  10. #8
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
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    Here is the one I did

    I only had to drill larger holes for the brackets to poke through , and like you , cut off the studs on back of motor so they don't rub through the coil
    Attached Images Attached Images    

  11. Likes pecmsg, BobFrost liked this post.
  12. #9
    Join Date
    Apr 2018
    Posts
    18
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    Thread Starter
    Gorgeous pics! I need to take more. That’s exactly the motor and bracket I was working with. The Bohn bracket is probably the best choice but I couldn’t find them locally and I was in a pinch. I almost went to my old boss because I know he’s got used ones. I was happy to not put more money in his pocket. My bracket extensions work well...if they hold together. I’ll report back if they explode the coil.


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  13. #10
    Join Date
    May 2006
    Posts
    3,680
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    i hope you wrapped the wire nuts in electrical tape i always do or shrink tubing

  14. #11
    Join Date
    Apr 2018
    Posts
    18
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    Thread Starter
    Name:  IMG_1654.jpg
Views: 211
Size:  1.46 MB
    Here’s a pic for Snapperhead. Also note that doing this way requires a new blade.


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  15. #12
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
    6,858
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    Quote Originally Posted by pctech View Post
    i hope you wrapped the wire nuts in electrical tape i always do or shrink tubing
    i squeeze silicone RTV in them

  16. Likes BALloyd liked this post.
  17. #13
    Join Date
    May 2006
    Posts
    3,680
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    i have done that as well heat shrink tubing is the best but more work to remove later on

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