What is viscosity of SP 10 Pag compressor?
What is viscosity of SP 10 Pag compressor?
SP-10 PAG has a viscosity of 46 centistokes at 40 deg. C. and SP-15 PAG is 80 centistokes. 8. The use of other oils such as Ester, often called POE, or refrigerants other than pure R-134a or R-12 will void the warranty. Replacing the Compressor The following guidelines will help to insure the replacement compressor reliability:
How long does it take to drain an oil compressor?
Drain for about 3 minutes while turning the front shaft nut one half turn every minute. Also slightly tilt the compressor back and forth a few times to help the oil reach the oil drain hole. 2. Measure and record the amount of oil drained from the compressor. 3. Drain oil from the new compressor following step 1. 4.
What kind of oil to use in Sanden compressor?
For R-134a A/C systems the original Sanden PAG oil shipped in the new Sanden compressor is the best lubricant for compressor durability. 2. For a few rare cases such as very large A/C systems with long hoses which use more than 4 pounds of refrigerant, additional Sanden oil may be required.
Where is the POA valve on a 134a compressor?
Typical 134a charge rate will be approximately 70-80% of the factory R12 charge amount. The POA Valve is installed on the evaporator, near the firewall. (Click here for a typical photo) Change or restore the filter-drier. Drain the compressor oil and recharge with 134a compatible (PAG or Ester Oil) oil.
How to convert an R12 compressor to a R134a?
R12 to R134a Conversion steps. The first step is first to make sure that the AC system is empty. Discharge and make sure to recycle it properly. Make sure your AC compressor is in good shape, otherwise replace it. Flush your current system entirely of R12 without leaving any traces of the R12 in it.
What does low side pressure on compressor mean?
Static low side pressure won’t give you any idea of system charge. You could have a low side target range of 50-psi and see that static pressure on your gauge. All that tells you is that there is some refrigerant in the system. But 1 ounce of refrigerant will provide a 50-psi reading the same as a full system.
How to replace the a / C pressure switch on a Chevrolet?
Check the new switch and make sure that the small O-ring is in place on the bottom of the switch. Place a small amount of refrigerant oil or Vaseline on the O-ring to keep it from tearing.
