Skip to main content

Automotive Technician

How much oil “goes” in the compressor?

March 9, 2021

There is also an additional step which is required in the oil draining process with this unit. That step is that the suction damper needs to be depressed to allow proper ventilation when draining one of these compressors.
Read Article >

Helpful tips to register for MACS online training clinics

March 5, 2021

Helpful tips on how to register for a class on the MACS website
Read Article >

“Balancing” oil balancing

February 23, 2021

What should we do if performing an oil balance and only 1/4 oz of oil drains from the original compressor
Read Article >

Let everyone know you are Section 609 certified

February 22, 2021

Section 609 work t-shirts in black featuring the new MACS logo.
Read Article >

Caveman to Mr. Cool

February 18, 2021

Over 300,000 years ago, modern man began walking the earth relying heavily on his five senses-- especially sight – to hunt, find joy, and avoid danger. In 1914, Garrett Morgan, who decided it was important to protect man’s eyes during hazardous situations, developed what we know today as ‘safety’ glasses.
Read Article >

A Change in Temperature

February 10, 2021

Using a contact thermometer, they quickly discovered 50° on the suction line at the expansion valve, and down at the compressor it read 96°. Along any length of hose or tube, there should be very little change in temperature.
Read Article >

Compressor Oil: When is it enough?

February 9, 2021

But how do we know that a system has the correct amount in it to start with?
Read Article >

Safety Alert: Online Sales of Cool Penguin F-12

November 23, 2020

Refrigerant safety alert
Read Article >
Long exposure of car driving down highway

Cars with a different gas (R-415B)

April 11, 2019

By Steve Schaeber, MACS Technical Editor Some Chinese vehicles are being shipped to South America with a different type of refrigerant gas than what most technicians are used to seeing....
Read Article >