Hey all,
With these 4 and 5 button vacuum controllers for heat/defrost/ac, it's my understanding from the articles I've read that there are plates that slide back and forth to allow vacuum to be applied to certain pathways within the system. Picture of a non-AC vacuum switch disassembled. Sliding plates are on the right.
From what I've gathered, the plates are lubricated with a Lubriplate style lithium grease, and of course, over the many years these things have been...
Read more
With these 4 and 5 button vacuum controllers for heat/defrost/ac, it's my understanding from the articles I've read that there are plates that slide back and forth to allow vacuum to be applied to certain pathways within the system. Picture of a non-AC vacuum switch disassembled. Sliding plates are on the right.
From what I've gathered, the plates are lubricated with a Lubriplate style lithium grease, and of course, over the many years these things have been...
Read more
