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SquareTopCollector
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« on: February 05, 2012, 03:45:47 pm » |
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One of my cavilers compressors will not shut off. I swapped the T stat with another machine and it didn't solve the problem. What should I trouble shoot next? Can it be a relay? The compressor will turn off manually with the T stat dial.
Thanks
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« Last Edit: February 05, 2012, 04:45:25 pm by SquareTopCollector »
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Yarochrehc
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« Reply #1 on: February 05, 2012, 07:14:02 pm » |
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Is the machine cooling OK?
It sounds like you might have either a refrigerant problem or the evaporater fan is not working or something worse.
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Bob
Restored
Vendo H63B Coke in use in basement
Original
Vendo V/VF63/7 Pepsi in use
Restoring: Glascock Standard
(2) Vendo 63
(2)Vendo 90
Vendo 126 waiting for paint
VMC 56
Westinghouse WE-6
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johnieG
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« Reply #2 on: February 05, 2012, 07:15:42 pm » |
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it may be time for a new thermostat. they're wired just like a temperature controlled "light-switch" it's either on or off, so if it's stuck "on" try to give it a playful "rap" on the nose ( the knob-shaft) with the handle end on a screwdriver, sometimes the contacts just weld themselves together & stick closed (On) ...  |
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Spoon-feeding Newbies since 2001...  Yeah..220,221 whatever it takes. Remember, all it needs is a shot of Freon! The Vendo V-83 is the '59 Edsel of the coke machine world. ;p Spray painting does NOT restore a compressor 11 is louder than 10... "Hope" is good, but it's not an action plan. |
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SquareTopCollector
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« Reply #3 on: February 05, 2012, 09:54:16 pm » |
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It gets really cold. The evap fan runs strong. The evap coils ice over. T stat is from a css-84 that works fine. I will knock it with a rubber mallet but I think it's something else. The line does have a tap on it.
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« Last Edit: February 05, 2012, 10:10:36 pm by johnieG »
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johnieG
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« Reply #4 on: February 05, 2012, 10:05:58 pm » |
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don't use a mallet, use a screwdriver handle & a light "tap pity-tap" , or if you're determined to crush the poor thing, how's about a nice brick? is the T-stat out of your CSS-84 the same type as the one you're trying to replace? and does the sensing end mount in the same spot? ( in the air vs mounted on the evap' coil housing ) or just replace the thermostat for Pete's sake. I'm out... 
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« Last Edit: February 05, 2012, 10:13:22 pm by johnieG »
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Spoon-feeding Newbies since 2001... Yeah..220,221 whatever it takes. Remember, all it needs is a shot of Freon! The Vendo V-83 is the '59 Edsel of the coke machine world. ;p Spray painting does NOT restore a compressor 11 is louder than 10... "Hope" is good, but it's not an action plan. |
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SquareTopCollector
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« Reply #5 on: February 05, 2012, 10:21:05 pm » |
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The CSS and USS are similar. T stats are mounted in the same place. By the way I need a new fan for the CSS, where can I buy one?
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briandr1
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« Reply #6 on: February 05, 2012, 10:56:23 pm » |
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Johnstom supply or grainger will have replacement fan motors. If the comp is shutting off with the switch that tells you the problem is from the thermostat. I have one that the contacts stick sometimes and a tap wiyh a screw driver makes it open. Johnnie is right replace t stat. good luck
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selectivend 64 sa
2 cavalier 96
1975 bally hi deal em pinball machine
1920 wate and fate penny scale
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SquareTopCollector
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« Reply #7 on: February 05, 2012, 11:09:20 pm » |
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I don't need the motor just the blades. One cracked
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briandr1
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« Reply #8 on: February 05, 2012, 11:19:01 pm » |
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i have a set of blades from a cavalier round eveporator would prob work for you
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selectivend 64 sa
2 cavalier 96
1975 bally hi deal em pinball machine
1920 wate and fate penny scale
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MoonDawg
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« Reply #9 on: February 05, 2012, 11:22:00 pm » |
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If you have already switched the thermostat with a similar "known working" unit and it acts the same, I'm not sure a brand new one will work any better. If they both manually switch off the compressor, the wiring must be ok too.
I would suggest moving the capillary tube to different locations on the evaporator, as it seems there may be a cold sensing problem.
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Glen
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