Search found 50 matches

by philipswanson
Sun Aug 02, 2020 2:04 pm
Forum: Automotive Air Conditioning Forum
Topic: More RV Problems
Replies: 3
Views: 884

Re: More RV Problems

The compressor is new and the clutch is working fine. My low side is a little too low at 10-15 lbs and the high side is fine. The low side goes up to normal when I rev it past 1500.
by philipswanson
Mon Jul 27, 2020 9:55 am
Forum: Automotive Air Conditioning Forum
Topic: More RV Problems
Replies: 3
Views: 884

More RV Problems

My Trans Air system works great until the three fans on the condensor come on and then the compressor clutch releases and falls off line. Could it be that the condensor is freezing up? Or?? I hate to just disconnect the fans.
by philipswanson
Sun Jul 19, 2020 12:52 pm
Forum: Automotive Air Conditioning Forum
Topic: Vacuum Pump CFMs?
Replies: 5
Views: 993

Re: Vacuum Pump CFMs?

That's a great video......... Thanks for posting it.
by philipswanson
Sat Jul 18, 2020 5:19 pm
Forum: Automotive Air Conditioning Forum
Topic: Vacuum Pump CFMs?
Replies: 5
Views: 993

Re: Vacuum Pump CFMs?

How do the dual stage pumps work?
by philipswanson
Sat Jul 18, 2020 9:56 am
Forum: Automotive Air Conditioning Forum
Topic: Vacuum Pump CFMs?
Replies: 5
Views: 993

Vacuum Pump CFMs?

I am in the market for a new vacuum pump for my RV but I see them advertised from 150 cfm to 400 cfms. Is more better or is it just a question of the time it's hooked up?
by philipswanson
Tue Jul 14, 2020 8:59 pm
Forum: Automotive Air Conditioning Forum
Topic: RV A/C trouble
Replies: 15
Views: 1498

Re: RV A/C trouble

I don't think there is a way to know how much oil is in your system other than flushing it out totally and starting over. PITA. On my pusher, I probably have errored on the plus side so I don't starve the compressor. I think all this will do is reduce the cooling somewhat but that's better than disi...
by philipswanson
Mon Jul 13, 2020 10:05 am
Forum: Automotive Air Conditioning Forum
Topic: RV A/C trouble
Replies: 15
Views: 1498

Re: RV A/C trouble

Then your pressures were about right. I have a diesel pusher RV that I have been working on the a/c too. Finally got the pressures about right and cold air. Mine too was sensitive to the pressure switch turning the 3 fans on the condensor on and off. Finally got the right parameters for the switch. ...
by philipswanson
Mon Jul 13, 2020 8:07 am
Forum: Automotive Air Conditioning Forum
Topic: RV A/C trouble
Replies: 15
Views: 1498

Re: RV A/C trouble

What was the ambient temperature when you took those latest readings?
by philipswanson
Sun Jul 12, 2020 8:37 pm
Forum: Automotive Air Conditioning Forum
Topic: Best Economical Vacuum Pump
Replies: 0
Views: 1482

Best Economical Vacuum Pump

There is a JB Eliminator 6 cfm pump for sale at half the retail cost of a new one in nice condition. Is this a pump that you guys would recommend for a do it youselfer? My old JB is only a single stage 1.5 cfm. Should I upgrade at $150? How important is more cfms? Just faster or is it better? My old...
by philipswanson
Mon Jun 15, 2020 7:53 am
Forum: Automotive Air Conditioning Forum
Topic: Vacuum Pump Oil
Replies: 8
Views: 1461

Re: Vacuum Pump Oil

Money is not the big issue. Don't like to waste it though. It's more curiosity. Or is it just an oil ripoff. I have a vane type vacuum pump and have it apart. It's nothing but a rotor spinning around a housing insert. Can't understand why any special oil would be required. Vapors are released thru a...

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