Charging Air Conditioning System

[Andywear]

thanks for all the good info, I got a plan for a friend to bring his vacuum pump and get it cleaned out and then add oil and freon as well.

I get it to °72 in the sweltering heat down here in our vans, but have to turn it off to climb a steep hill

[Andywear]

I now have went 4 days with cold blowing AC, what a good life.

pumped the air out, added 2.5 cans of R-134a. roughly 20* temp difference.

[scotty]

If you want to run 12v to the AC compressor wire to check if the clutch is engaging, do you have to connect 12v positive to the single compressor wire and then ground the battery to the frame? There is only one wire, so is the compressor ground through the frame bracket? Also, if anyone knows exactly where the AC relay is I could just use a paper clip across the relay terminals 30 & 87 to test the clutch. Thanks

[scotty]

In the manual on the page AC-13 it gives you a list of steps to inspect faulty AC. It isn’t in the steps to check, but it just has a picture of the location of the “heater” circuit breaker . ( wish I knew how to post a pic here). Is this also the AC compressor relay? If not does anyone know where it’s located ?

[Jan-Willem]

In the manual on the page AC-13 it gives you a list of steps to inspect faulty AC. It isn’t in the steps to check, but it just has a picture of the location of the “heater” circuit breaker . ( wish I knew how to post a pic here). Is this also the AC compressor relay? If not does anyone know where it’s located ?

The circuit breakers are the oval/racetrack shaped thingies to the right of the normal fuses. You can reset them by poking a paperclip trough the little hole (when the circuit is not live, so key off) Mine were black with a yellow top, I don't know if this is always so...