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  • TJjerry

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    Many start caps will sometime give you a warning as it will start to get a slight swell on the bottom which should be very flat.
    Guess I was fortunate to have grown up with an attic fan. In Port Arthur when you woke up your pillow was yellow from the refinery sulfur that was sucked in the window from that fan and it was wet from the moist night air.
    Made us healthy I guess.
     

    Texasjack

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    Had this happen to me a couple years ago. According to the research I did, the capacitors go out as quickly or more quickly than the motors, so if you replace the motor, be sure to replace the capacitor as well. It's maybe the cheapest A/C fix there is, so you're lucky to that degree.
     

    pronstar

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    Well, new cap, and about 30 mins ago the unit did the same thing.

    When the unit cycled on, I could see the fan try to move, but it wouldn’t.
    Got it going again by poking it with another twig.

    Looks like I’m replacing a fan tomorrow.


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    satx78247

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    Last night, I noticed warm air blowing from our system.

    I went outside, and the fan on the main unit was not on, and things were getting pretty hot to the touch.

    I turned the system off, waited about 30 minutes, then powered it back on again.

    The fan didn’t move, so I prodded it with a twig. I felt some resistance, but it quickly ramped up to speed and things seem to be working normally.

    I’ve gone to check on it several times, and the fan is activating.

    I figure the fan motor may be on its way out.

    Google-fu suggests I should replace the motor and the starting capacitor, but before I start replacing parts, I was hoping y’all may have some insight?

    View attachment 219748 View attachment 219749 View attachment 219750


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    pronstar,

    Sounds like a DYING fan motor to me.= REPLACE IT & you may be OK for a good while.
    (CHEAP FIX.)

    Meanwhile, that LOOKS like a NICE MB W123. - WHICH W123 is it??

    yours, satx
     

    Vaquero

    Moving stuff to the gas prices thread.....
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    Well, new cap, and about 30 mins ago the unit did the same thing.

    When the unit cycled on, I could see the fan try to move, but it wouldn’t.
    Got it going again by poking it with another twig.

    Looks like I’m replacing a fan tomorrow.


    Sent from my iPhone using Tapatalk Pro
    It's easier than automotive repairs.
    Good luck.
     

    oldag

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    Well, new cap, and about 30 mins ago the unit did the same thing.

    When the unit cycled on, I could see the fan try to move, but it wouldn’t.
    Got it going again by poking it with another twig.

    Looks like I’m replacing a fan tomorrow.


    Sent from my iPhone using Tapatalk Pro
    You can lead a horse to water...
     

    jordanmills

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    Well, new cap, and about 30 mins ago the unit did the same thing.

    When the unit cycled on, I could see the fan try to move, but it wouldn’t.
    Got it going again by poking it with another twig.

    Looks like I’m replacing a fan tomorrow.


    Sent from my iPhone using Tapatalk Pro
    You might try squirting some WD-40 down the spindle of the fan motor to see if you can get something to lube the bearings. You don't want to do that to a motor that is working, but since you're looking to replace it any way, try it out.
     

    pronstar

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    Was actually gonna try that
    So I let it cool down for about a half-hour.

    Took the grille off so I could access the motor/fan. It all seems good and right...but the motor itself was freakishly hot.

    Let it cool down a bit more, motor is still hot as hell but the fan at least came on.

    I’m going to run it for a bit while I’m downstairs, then shut it off when I go to bed.

    I can’t risk cooking my compressor, gonna snag a new fan motor first thing in the morning.


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    satx78247

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    pronstar,

    OFF TOPIC but you may be interested in knowing that I'm likely about to SELF-import a one owner/low mileage/rust-FREE "black market" 1985 Mercedes W123 gas sedan with manual 5-speed from Europe.
    Straight six engine, maroon/maroon, manual sun-roof, manual windows, fabric interior & manual "everything else", too.
    (That 4-dr sedan will likely outlast me, too, as the manual/manual/Euro-spec W123 sedans are TANKS.)

    yours, satx
     

    pronstar

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    pronstar,

    OFF TOPIC but you may be interested in knowing that I'm likely about to SELF-import a one owner/low mileage/rust-FREE "black market" 1985 Mercedes W123 gas sedan with manual 5-speed from Europe.
    Straight six engine, maroon/maroon, manual sun-roof, manual windows, fabric interior & manual "everything else", too.
    (That 4-dr sedan will likely outlast me, too, as the manual/manual/Euro-spec W123 sedans are TANKS.)

    yours, satx

    You’re right...I’m interested!

    The W123 and subsequent W124 models are considered by many to be “peak automobiles” and a great tribute to the engineering and reliability MB used to put into their cars.

    The base Euro-spec cars were definitely the best.

    She sounds like a real winner


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    satx78247

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    You’re right...I’m interested!

    The W123 and subsequent W124 models are considered by many to be “peak automobiles” and a great tribute to the engineering and reliability MB used to put into their cars.

    The base Euro-spec cars were definitely the best.

    She sounds like a real winner


    Sent from my iPhone using Tapatalk Pro

    pronstar,

    ALL that I plan to do to the W123 saloon when it arrives, other than routine maintenance, is replace the "somewhat worn" (IF they really ARE "showing wear") fabric seats with maroon LEATHER seats out of a low mileage/"totaled" 300D, that I found by accident near Austin.
    I also will likely replace the original Am/FM radio with a NICE (maybe SONY) AM/FM/CD stereo.
    (When I was stationed in BRD, I had a "manual everything" W123 saloon.)

    yours, satx
     

    pronstar

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    pronstar,

    ALL that I plan to do to the W123 saloon when it arrives, other than routine maintenance, is replace the "somewhat worn" (IF they really ARE "showing wear") fabric seats with maroon LEATHER seats out of a low mileage/"totaled" 300D, that I found by accident near Austin.
    I also will likely replace the original Am/FM radio with a NICE (maybe SONY) AM/FM/CD stereo.
    (When I was stationed in BRD, I had a "manual everything" W123 saloon.)

    yours, satx

    Are those seats leather or MB Tex (vinyl)?

    Most MB’s from that era had MB Tex, which I actually prefer. It lasts and looks great decades later


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    satx78247

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    Are those seats leather or MB Tex (vinyl)?

    Most MB’s from that era had MB Tex, which I actually prefer. It lasts and looks great decades later


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    pronstar,

    Real LEATHER & the MB only had ABOUT 30k miles when it was WRECKED. - I like LEATHER, as it feels/looks GOOD, IF YOU CARE FOR IT.
    (For a DD, MB-TEX is great, though.)
    yours, satx
     
    Last edited:

    oldag

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    Back on topic.

    Back in the old days, fan motors had oil ports. A little oil every spring and they fan bearings lasted a long time.

    Don't think any today come with that. Most of the motors are coming out of China now and are complete junk.
     

    pronstar

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    Back on topic.

    Back in the old days, fan motors had oil ports. A little oil every spring and they fan bearings lasted a long time.

    Don't think any today come with that. Most of the motors are coming out of China now and are complete junk.

    Yeah this one looks sealed.

    Based on the numbers I was told it’s likely original to the unit, so it’s probably 10-ish years old.


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