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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 >
Troubleshooting the “what ifs” in a mobile A/C repair
2021年11月9日
High side: Likely somewhere around 130 psi (at an idle) & 每分钟1500转140 psi. 为什么? With only a 35% charge in the system, the compressor isn't going to be producing a lot of pressure.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 >
把热!
2021年11月1日
每年的这个时候, I often end up with an earworm in my head from a Canadian rock band … Summer’s going fast, the nights are growing colder. Then it’s the line everyone knows from something more mainstream … 冬天即将来临. It’s early September, and the leaves on some trees are already starting to change. 冬天即将来临.Read Article >
Tesla aftermarket repair information
2021年10月29日
NASTF has released new information on industry changing news! After 4 years of working together with Tesla, NASTF is pleased to announce that Tesla scan tool and service information is now available to the aftermarket. For the American and Canadian markets (Canadian version is in the final testing stages) things are changing rapidly that's why the National Automotive Service Task Force (NASTF) has brought their best experts to explain how to find, 设置, and implement this new information so you can add this new service opportunity to your shop.Read Article >
过热的概念
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 >