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Topic Description

Jerry Lemon, Lemco Consulting (HD)

Heavy-duty Truck and Agricultural Machinery Mobile A/C Best Practices

Servicing heavy duty A/C systems has become more complicated in recent years as vehicle and equipment OEMs continue to build more modern and complex systems. Presented by MACS, the worldwide leader in mobile A/C information and training, this clinic will help service technicians to better understand component design and integration, testing, and replacement, along with recommended best service practices to get the job done right the first time. The following topics will be covered during the program:

  • Mobile A/C system types, components, and operation
  • Condensers, Evaporators, Compressors, Lines & Hoses
  • Receiver/Driers & TXVs – Accumulators & OTs
  • Control Devices: What they are and how they work
  • Diagnosing, testing & servicing mobile A/C systems
  • Refrigerant recovery & recycling
  • Compressor diagnosis and replacement
  • Proper oil balancing & accurate charging
  • A/C system troubleshooting and performance testing
  • Best Practices repair methods