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Mysterious servicing issue in R-1234yf systems
2021年8月11日,
Recently a 2017 R-1234yf Honda system, 与72年,099英里, encountering a loss of cooling (slow leak) over time would not pass the equipment charge procedure and the production amount could not be charged.Read Article >
Low refrigerant charge and the search for real data part 4
2021年7月13日
When we examined the pressure readings and vent temperature readings last week, there was nothing showing up that indicated any charge issues (even operating with the 25% undercharge).Read Article >
Low refrigerant charge and the search for real data
2021年6月22日
I had read about how low refrigerant charges could increase compressor operating temperatures and decrease the amount of oil flowing to compressors, but I had never been able to find results from any tests. After discussing this with MACS, we decided to do some testing to get some real data.Read Article >
Robinair sponsors free Section 609 test prep webinar and test for 500 technicians this summer
2021年6月7日
Robinair sponsors free Section 609 test prep webinar and test for 500 technicians this summerRead Article >
Tips for taking your mobile A/C system’s temperature
2021年4月20日
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. 否则, it is possible to get readings that are easily 5° to 10° off and that can lead to an incorrect diagnosis.Read Article >
Does the compressor contain oil?
2021年3月17日
A question that comes up frequently on A/C tech lines is: Does the compressor contain oil and if so, 有多少?Read Article >
Marks Air celebrates 50 years of mobile air success
2021年3月16日,
MACS member Marks Air Inc. celebrates 50 years of being in business.Read Article >
充满空气的油罐!
2021年3月15日
The problem is usually caused by excessive air in a system, and since too few shops use a refrigerant identifier, they don’t know when these problems come up, nor how often they are solving problems by doing this.Read Article >
Helpful tips to register for MACS online training clinics
2021年3月5日
Helpful tips on how to register for a class on the MACS websiteRead Article >
穴居人先生. 很酷的
February 18, 2021
超过300,000年前, modern man began walking the earth relying heavily on his five senses-- especially sight – to hunt, 找到快乐, ,避免危险. In 1914, 加勒特摩根, who decided it was important to protect man’s eyes during hazardous situations, developed what we know today as ‘safety’ glasses.Read Article >