Hello, i was looking at getting a r12/r134 gauge set.. any recommendations as to brand to get? Also what is the best way to find a leak? with a sniffer or dye? and what would you fill the system with actual refrigerant or compressed air?
I actually bought a robinair r 134 machine but it didn't come with hoses.. I just need hoses that are r134 tated right.. and about 76 inches long?
i know that some of these questions are basic.. but I just want to make sure..
FWIW I will never purchase another Robinair AC machine as long as I live. Nothing but problems with them from computer board issues to sticking valves and Robinair will not repair them when they are under warranty.
I have nothing good to say about that company. We went round and round with them with both machines and ended up paying to have them fixed by a 3rd party.
I may need to buy a new R134a machine for our shop. I must likely will go with the Mastercool 69788. I've always felt RobinAir was a little steep for what you got in return.
Safado, I purchased my gauges from this site. Sight (bubbles, dye, etc), sound (ultrasonic, etc) and smell (detector) are all viable ways to detect leaks. Sometimes it takes a understanding when and why to apply each, and the use of more than one to find a leak. With certain methods you will need to use refrigerant to find the leak and do not test with compressed air; nitrogen would be the choice for an inert gas pressure test. Your recovery machine may just use standard charging hoses like a gauge set. If not, the replacement hoses for that machine could be sourced from the manufacturers network.
Regarding recovery machines, it seems to me that as the more these machines grow in complexity, the more problems they have. It is a very competitive market and (IMHO) some of these issues may be a result of constant changes and the "rush to market" challenges these manufacturers face. There are many changes occurring and pending, regarding SAE equipment specifications and a coming new refrigerant(s). It will pay to be well studied in these areas before making any new recovery equipment purchase.
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