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  1. #1
    Join Date
    Feb 2010
    Posts
    4
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    Carrier 19DK external oil filter upgrade

    I'm going to change from the OEM type that's in the pump to an external cartridge type. I'm wondering if I need to do anything to the regulator. The filter will be downstream of the regulator. Does anyone have any Bulletins or upgrade directions?

  2. #2
    Join Date
    Jun 2003
    Location
    in a tree looking in your window
    Posts
    1,666
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    I put one of these York filters on a burnt up 19XL one time and didn't have any problems

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  3. Likes ruuufuhbock liked this post
  4. #3
    Join Date
    Mar 2005
    Location
    Dover, Pa.
    Posts
    202
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    Nice pic !
    I have also done the same with no issues a 3 of those machines
    Good mechanics are getting harder to find.....have you encouraged or discouraged a young mechanic today?

  5. #4
    Join Date
    Mar 2004
    Location
    Windsor ON Canada
    Posts
    422
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    There was a service bulletin put out by Carrier to perform this upgrade. I have been retired for a few years and unfortunately I do not have access to it....so I have to rely on memory. The internal relief was modified to stay in the closed position to allow for an external regulator. A piece of 1/2" or 5/8" diameter copper, (you can confirm diameter when you have access to the regulator) was cut 1/2" long and inserted inside the existing regulator (the spring and the piston remain). This effectively sealed the regulator closed and allowed full pump pressure to the oil filter canisters. A new regulator was installed downstream of the filter canister and vented back into the oil sump. I used an oil regulator from a 19C chiller which allowed for oil pressure adjustment once all was up and running. Hope this info helps you.

  6. #5
    Join Date
    Dec 2014
    Location
    New Mexico
    Posts
    903
    Post Likes
    Quote Originally Posted by hw chiller man View Post
    There was a service bulletin put out by Carrier to perform this upgrade. I have been retired for a few years and unfortunately I do not have access to it....so I have to rely on memory. The internal relief was modified to stay in the closed position to allow for an external regulator. A piece of 1/2" or 5/8" diameter copper, (you can confirm diameter when you have access to the regulator) was cut 1/2" long and inserted inside the existing regulator (the spring and the piston remain). This effectively sealed the regulator closed and allowed full pump pressure to the oil filter canisters. A new regulator was installed downstream of the filter canister and vented back into the oil sump. I used an oil regulator from a 19C chiller which allowed for oil pressure adjustment once all was up and running. Hope this info helps you.
    That’s what I remember as well.


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  7. #6
    Join Date
    Nov 2004
    Location
    up in the hizzy
    Posts
    3,211
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    Here the SB
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