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HD and OTR vehicle service: Keep it clean

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 systems operate in far more severe conditions compared to those installed in the lowly light-duty vehicle. All systems must be kept clean both inside and outside, which is a tall order for HD and OTR.

Take a moment to consider the annual cycle of an OTR system. It can sit for months in sub-zero weather and may be placed into 24-7 service when seasons change. Consider what happens to the system during its down time. While not operating, could the refrigerant leak out over time? If not leaking, could undesirables enter the system while idle?
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