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The pulse width modulated duty cycle signal
2021年12月7日
几年前, when vehicles using these compressors were just starting to show up at shops for service with some regularity, we were searching to find some detailed information about their behavior to use in clinics. There was not a lot of it available, so we borrowed several vehicles and did some videos. The following are some clinic slides produced from one of those videos.Read Article >
Diagnosing electronically controlled compressors
2021年11月30日
When preparing to conduct diagnostics on a system using an electronically controlled variable displacement compressor, the diagnostic process needs to focus on four areas.Read Article >
Exploring electronically controlled variable displacement compressors
2021年11月23日
Electronically controlled variable displacement compressors (ECVDs) have been in use now for over 15 years. 然而, there are a lot of technicians in the field who have very little knowledge about them and their operation.Read Article >
Electronically controlled variable displacement compressors
2021年11月16日,
what if" this system used an electronically controlled variable displacement compressor instead of the pressure controlled variable displacement compressor? What would the results be?Read Article >
Meet MACS member, Tom Lech
2021年11月8日
Stationed in San Francisco, 加州, Thomas Lech has maintained a bustling business for almost three decades. Lech Auto Air Conditioning has been busy for 365 days a year from opening at 7 a.m. 到7点收市.m. for the last 27 years, with summertime only increasing the demand for the shop’s services.Read Article >
What do you know about the fixed displacement piston compressor?
2021年的11月2日
What do you know about the fixed displacement piston compressor?Read Article >
J1587/J1708 and J1939 data line diagnostics
2021年10月27日
Modern heavy-duty equipment is basically comprised of computers with operating units attached. 简而言之, it is a multiplexing system that replaces traditional power distribution devices with ECUs that communicate electronically over the vehicle datalink.Read Article >
The concept of superheat
2021年10月19日
We illustrated the concept of superheat in last week's article by boiling water and superheating steam in a moonshine still. This week we will apply this concept to refrigerant in an air conditioning system. The still has been replaced with an evaporator.Read Article >
Don’t try this at home
2021年10月6日
Don't try this at home! We do not recommend adding a machete to your mobile A/C tool kit. 然而, in Belize they do things differently. Sometimes necessity is the mother of invention.Read Article >
Behavioral characteristics of various compressor types pt. 2
2021年10月5日
So now it is time to provide the correct answer along with information on why it is correct and also information on why the others are incorrect.Read Article >