July/August 2017 MACS ACTION Magazine It’s been said that cleanliness is next to godliness. This can also be considered gospel when servicing heavy duty (HD) and over-the-road (OTR) refrigeration. These…
By Chris Tyson, MACS heavy duty contributor We have several Class 8 trucks in our fleet and when temperatures begin to drop outside many of their owners visit our shop…
By Stephen Petit, Siefkes/Petit Communications In heavy-duty A/C work, the service vehicle is essentially a shop on wheels — it’s vital for reaching equipment that operates virtually around the clock…
By Steve Schaeber, MACS manager of service training Last year around this time the US Environmental Protection Agency (EPA) finalized Rule # 20, which was a Change of Status Rule…
