I've had same experience on my house AC. No purge, takes a long time, especially using a micron vacuum gauge. Same pump, same gauge, far faster when system was purged with dry gas. -- Max Dillon Charleston SC
On April 7, 2019 9:32:03 AM EDT, Dan Penoff via Mercedes <mercedes@okiebenz.com> wrote: >Max, > >I’m curious as to why purging with CO2 makes pulling a vacuum faster? >The vacuum pump doesn’t care. > >-D > > >> On Apr 7, 2019, at 9:29 AM, Max Dillon via Mercedes ><mercedes@okiebenz.com> wrote: >> >> Job is done. Finished up the AC about ten last night. Still need to >put the right front headlight back. Wiper motor on that side has >failed pointing straight up, so I'm going to try to correct that while >it is out of the car. >> >> Once the headlight is back in place, I'll go for a test drive and >check if the evaporator leaks were fixed by the cliplight sealer. >> >> I purged the system with dry CO2 (tank from a welding supply place) >and then pulled a vacuum with my $60 Chinese vacuum pump. It pulled >down to 29.5 inches in minutes. Purging with a dry gas makes that step >so fast. >> -- >> Max Dillon >> Charleston SC >> >> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> >> > > >_______________________________________ >http://www.okiebenz.com > >To search list archives http://www.okiebenz.com/archive/ > >To Unsubscribe or change delivery options go to: >http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com