## How to calculate the charge of a R12 Charger?

Take the R12 charge specification and multiply it by 0.9. Then, subtract that result by 0.25 pounds to get the proper amount of R134a charge. Formula: (R12 Charge Specification x 0.9) – 0.25 lbs. = R134a Charge Level As an example, let’s say the R12 charge specification is listed at 2 lbs.

When did cars start using R12 instead of R134a?

Many organizations believe that R134A contributes to global warming. Vehicles manufactured before 1994 used R12 for air conditioning. Vehicles older than 1994 started using R134A instead of R12. So what if you have a car that was made in 1994 or even earlier?

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.

### When did Oracle EBS r12.2.8 come out?

A: Release 12.2.8 was done back in October 2018. Q: What are the steps to install Oracle EBS R12.2.8? A: You can find the specific instructions to download and apply the latest release update pack (RUP) for the EBS 12.2 here: Oracle E-Business Suite 12.2.8 Readme (Doc ID 2393248.1)

Can a 134a Charger be used with a R12 Charger?

Install 134a charge port adapters. Charge with 134a between 70-80% of the original R12 charge amount. Note: Hot gas valve will need to be adjusted during the charging process to properly adjust the low side by-pass pressure to 20psi. Replace any O-rings with 134a compatible. Ignore the sight-glass.

Many organizations believe that R134A contributes to global warming. Vehicles manufactured before 1994 used R12 for air conditioning. Vehicles older than 1994 started using R134A instead of R12. So what if you have a car that was made in 1994 or even earlier?

Can a 134a compressor be charged with a R12 hose?

Drain the compressor oil and recharge with 134a compatible (PAG or Ester Oil) oil. This is assuming the compressor is currently functioning correctly. Replace or restore all rubber hoses with barrier hose. Install 134a charge port adapters. Charge with 134a between 70-80% of the original R12 charge amount. Replace any O-rings with 134a compatible.

#### Are there any problems with the compound R12?

Moreover, R12 is an extremely stable compound and stays integrated under extreme pressures and operating situations. The only problem with R12 was that if it came in contact with a flame or fire, it would break down and become toxic to inhale which is why at the time of its era of use.