Stand by generator fixed one problem then...

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Sep 26, 2004
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South La
I posted about the capacitors for a B&S 12kw standby gen. I changed them out and the voltage readings are correct now.
Before it was shutting down in 3 seconds now it shuts down in about 10 seconds, But this time it gave me a code high oil temperature.
I tried again same results. I touched the sensor and no way it was anywhere near hot just running a few seconds. I removed one of the two wires and started it
up. I ran it for 15 minutes. Shut it down and removed switch No biggie I thought until I saw the price of the part 186205gs .....$70!!!!. It is only a $7 part. I am going to go after market if I can get the specs on the B&S part. Any one knows what temperature these things trip at?
 

passgas55

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My old eyes did get the info off . Maker is Airpax 5003 with the numbers C53285B0835. I looked it up and had no direct hits but I did come across a sheet to intrepid the numbers. My wildest guess is a 285 f switch. I am only guessing because the temperature trip point is suppose to be in the numbers. C stands for closes on rise, 53 is the series but then nothing matches to the rest of the numbers.
 

passgas55

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The wires to this switch does not look to be Teflon coated wires so I do have a hard time thinks it could run up to 285 f but who knows. I can now justify a non contact temperature gun:)
 
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passgas55

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Joined
Sep 26, 2004
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Ordered a thermal switch that generic uses. They have the ratings listed. I notice the RVs generators call for a 305f switch, I thinking a 285f switch so I ordered a 295f switch. I guess I will find out next summer in hurricane season. Price was $16 shipped.
 
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