跳到主要内容

博客

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 >

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 >

压缩机的诊断

2021年10月26日

It is important to know the correct answer, but it is more important to know why it is the correct answer.  Please picture #4 for more information on that.
Read Article >

MACS 2022 regional training events

2021年10月20日

MACS regional training events will feature automotive and heavy-duty, off-road mobile A/C training from industry experts. Vendors will be able to man table-top displays of the latest and most helpful new products. Social events will provide time for all industry attendees to network and share experiences.
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 >

Over 500 automotive scholarships available

2021年10月14日

The University of the Aftermarket Foundation (UAF) is now accepting scholarship applications for the 2022-2023 school year on its Automotive Aftermarket Scholarship Central website. Scholarships from UAF and more than 40 donor organizations are consolidated and easily accessible at AutomotiveScholarships.com.
Read Article >

More on the behavioral characteristics of various compressors

2021年10月12日

Last week's article ended with a slide from my class at the MACS kok下载安卓版 Event & 贸易展.  If you haven't already read that article, you may want to do so.  That slide had the following question in it: Finally, with a 30 to 32 PSI low side, why is the suction line temperature 65° F
Read Article >