Working in the phosphate mines

In case you ever wondered what compressors look like after they have spent some long hours in the Central Florida phosphate mines here you go. These photos were sent to us by MACS member Gordon Marks of Marks Air in Tampa, Florida.

The compressors were brought to Marks Air by a regular customer who does maintenance on trucks used by Mosaic. Mosaic is the world’s leading producer and marketer of concentrated phosphate and potash, two of the primary nutrients required to grow the food the world needs, according to their website.

Gordon explains, “Since the equipment (large dozers, hydraulic excavators and loaders (Cat D8, 385, & 988 size) operates mostly in wet, sloppy white ore, it splashes up on everything and dries hard on the compressors.”

The crew at Marks Air works to recondition the clutches and heads and use them on new compressors.

When having your mobile A/C system professionally serviced, insist on proper repair procedures and quality replacement parts. Insist on recovery and recycling so that refrigerant can be reused and not released into the atmosphere.

If you’re a service professional and not a MACS member yet, you should be, click here for more information.

You can E-mail us at or visit to find a Mobile Air Conditioning Society member repair shop in your area. Visit to find out more about your car’s mobile A/C and engine cooling system.

The 32nd annual Mobile Air Conditioning Society (MACS) Worldwide Convention and Trade Show will take place January 18-20, 2012 at the Rio All Suite Hotel and Casino in Las Vegas, NV.


About macsworldwide

Mobile Air Conditioning Society (MACS) Worldwide Founded in 1981, MACS is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. Since 1991, MACS has assisted more than 600,000 technicians to comply with the 1990 U.S. EPA Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment. The Mobile Air Conditioning Society (MACS) Worldwide’s mission is clear and focused--as the recognized global authority on mobile air conditioning and heat transfer industry issues.
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One Response to Working in the phosphate mines

  1. Jerry Lemon says:

    Did a lot of work on equipment in fertilizer plants as well as supplying condensers to potash mines. The condensers for the potash mines we basically hand built from 316 stainless. I found that the only condensers that would last in the fertilizer plants were all aluminum construction. Copper was attacked by the compounds in the one I did service work at. By far the worst location was the hazardous waste landfill. Everything had to be scheduled so that it could be washed thoroughly first and even then you had to be carefull where you stepped. Everything rotted there. Coated condensers were good for about 2 years (8 to 10 months if not coated). Best thing was that no one ever complained about the cost of getting the systems serviced.

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