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aschen 01-20-2014 07:32 PM

ac pressure switch location

Let's see if I can upload this pic from my phone. It is almost ac time in Houston. I am nearing completion of my upgrade project. I got a compressor hose with a built in pressure switch. I am not exactly sure where to locate the hose. Right now I have it near the oil filter and engine spark plug wires. It uses like this will make it hard to access the spark plugs but I can't figure out a better routing. Any advice is appreciated

aschen 01-21-2014 09:07 AM

sorry the pic looks terrible. I posted this from my phone so I couldent really tell. If you look just to the left of the oil filter you can see an aluminum "T" looking thing with a sensor sticking out. This is the new pressure switch. Anybody have any better ideas where to route it? As I said I am worried it will make it hard to access the spark plugs.


mooney265 01-21-2014 09:45 AM

You're right about the spark plug wires... both of my hoses run along the engine tin "just below" access to the wires.

I just adjusted my valves and the hoses almost limited me from removing the upper valve cover. Was able to move the hoses enough to get er done...

My high pressure switch is right about where yours is, except it's pointing straight up and the hose rides along the engine tin...

aschen 01-21-2014 10:32 AM

Thanks Moony! I think I am going to try to change my routing a bit to match what you describe. At least if it is straight along the engine tin it will look a little more tidy.

JFairman 01-21-2014 12:18 PM

Here's another type of trinary pressure switch that is part of a high pressure R134 fill port instead of in the high side hose. I think it was about $15 or less and they shipped it usps priority mail.
This is on a Sanden compressor.
I routed the hoses along the top of the right side longitudinal to keep them out of the way when adjusting valves or changing spark plugs.

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