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SkidsteerForum Announcements & Help
Bobcat 632 warning light.
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<blockquote data-quote="spitzair" data-source="post: 117944" data-attributes="member: 3333"><p>No problem! The best way to test the sensors are as follows: for the pressure switch take a multimeter and set it to Ohms, put one lead on the metal housing of the switch and the other on the wire terminal. You should have good continuity with the engine off, I'd say as close to zero ohms as possible, but anything under 10 would be fine. If you have an open reading then the switch isn't closing when the pressure in the system drops.</p><p>The temperature switch will be harder but doable. Take it out, heat it in a pot of oil on a stove with the multimeter connected the same way, one lead to the housing and one on the terminal, heat away and wait for the meter to go from open circuit to closed. Again I'm not sure at what temperature the switch closes but I guess somewhere around 200 degrees farenheit or there abouts... Just make sure if you're doing this in your wife's kitchen to use some cooking oil because it won't stink like hydraulic fluid and your wife will be MUCH happier! Guess how I learned that!</p><p>Hope this helps!</p></blockquote><p></p>
[QUOTE="spitzair, post: 117944, member: 3333"] No problem! The best way to test the sensors are as follows: for the pressure switch take a multimeter and set it to Ohms, put one lead on the metal housing of the switch and the other on the wire terminal. You should have good continuity with the engine off, I'd say as close to zero ohms as possible, but anything under 10 would be fine. If you have an open reading then the switch isn't closing when the pressure in the system drops. The temperature switch will be harder but doable. Take it out, heat it in a pot of oil on a stove with the multimeter connected the same way, one lead to the housing and one on the terminal, heat away and wait for the meter to go from open circuit to closed. Again I'm not sure at what temperature the switch closes but I guess somewhere around 200 degrees farenheit or there abouts... Just make sure if you're doing this in your wife's kitchen to use some cooking oil because it won't stink like hydraulic fluid and your wife will be MUCH happier! Guess how I learned that! Hope this helps! [/QUOTE]
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Bobcat 632 warning light.
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