3. CENTER DUCT TEMPERATURE ( 36-46 DEGREES F.) Charge as follows:
R134A = 1.8 lbs R12= 2.0 lbs. No additional oil is necessary in new compressors
That's why many people simply recharge their older R-12 air conditioning system
with R-134a after repairs have been made. ... There is NO reason to retrofit a
vehicle to R-134a as long as the R-12 system is cooling properly .... R134a
www.ask.com/youtube?q=R12 to R134a Conversion Chart&v=__alchrw7CE
Jul 6, 2012 ... The A/C system in many older vehicles needs to be converted from R12
refrigerant to R134a refrigerant. This video shows you how to convert ...
CONVERSIONS ... R12 system with the same evaporator capacity, the R134a
system must have an ... The charging equipment must only be used for R134a.
Aug 1, 2011 ... This R134a refigerant calculator determines the gas pressure based on
temperature of R134a refrigerant. Includes a Pressure Temperature Chart. ...
friendly" replacement for R12 but does require system retrofit modifications.
R134A. HFC. No. P.O.E. Liquid or. Vapour. For new medium temp & domestic
freezers, small commercial jobs. (Can replace R12 & R500 - but requires careful
A/C conversion from R12 to R134a LeSabre Car Forums. ... 05-14-2004, 08:33
PM. I have done conversions to the early 90's GM cars with no problems.
ART-37. Suva® 134a for R-12 Retrofit ... Suva® 404A (HP62) and Suva® 507 for
R-22 Retrofit .... Pressure/Temperature Chart—Suva® 404A (HP62)/R-502 .
R134a Expansion valve (can be used with R-12)- PN 64511466259 ... PAG oil-
see pic and chart link below for determining the viscosity for ...
There are significant differences between R12 and R134a, which must be
considered ... A. Pressure/temperature plot of R134a vs. R12 is shown in figure 1.
The crossover point is .... converted for use on R134a/polyol ester systems. C.