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Temperature Matters
May 11, 2021
In addition to having good contact with connectors and getting accurate readings, there are some other important things to remember when doing temperature testing.Read Article >
Pass the temperature probe
May 4, 2021
The first step is to run the A/C system for a few minutes to let it stabilize. Then both probes should be connected side by side at both points that will be temperature tested in the system. For example, if you were testing the temperature drop across the condenser, this would need to be done on both the discharge line and the liquid line.Read Article >
Contact counts in temperature testing
April 27, 2021
Proper contact is vital when connecting to A/C lines using the contact type temperature thermometers. To determine if I am getting good contact, I always like to place both connectors side by side on the same line and observe the temperature readings.Read Article >
Tips for taking your mobile A/C system’s temperature
April 20, 2021
The contact type units do indeed have a high degree of accuracy, but precautions must be taken when using them (especially connecting to lines) to ensure the accuracy. Otherwise, it is possible to get readings that are easily 5° to 10° off and that can lead to an incorrect diagnosis.Read Article >
The pressure is on
April 19, 2021
By appearance, radiator caps seem to be a simple device. Yet, many technicians do not understand the cap’s real functionRead Article >
MACS upcoming training clinic, register today!
April 7, 2021
MACS will present Peter Orlando from CARQUEST Technical Institute for a Mobile A/C Service Essentials webinar. May 13Read Article >
Avoiding an oily situation
April 6, 2021
If you own a mobile A/C repair shop this is when you start to gear up for it, by replenishing your parts inventories and an important segment of those inventories is compressor oil.Read Article >
How to deal with a compressor oil viscosity change
March 30, 2021
dealing with a catastrophic compressor failure where system flushing and component replacement removes all the oil from the system, then it is a matter of just installing the correct quantity of the oil that is specified for the replacement compressor.Read Article >
Does the compressor contain oil?
March 17, 2021
A question that comes up frequently on A/C tech lines is: Does the compressor contain oil and if so, how much?Read Article >
Marks Air celebrates 50 years of mobile air success
March 16, 2021
MACS member Marks Air Inc. celebrates 50 years of being in business.Read Article >