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Car aircon flushing and recovery machines: a workshop guide

CSKA showing a technician how to run the SP ZONE SPZ6000

An all-in-one car aircon machine recovers and recycles the refrigerant, flushes old oil and debris out of the system, leak tests, pulls a vacuum and recharges the refrigerant and oil. Flushing matters most after a compressor failure, when contaminated black oil spreads through the condenser, pipes and evaporator.

The service, step by step

  • Recover pull the refrigerant out of the car into the machine.
  • Recycle clean the recovered refrigerant for reuse.
  • Flush push cleaning fluid through to carry out old oil and debris.
  • Leak test and vacuum confirm the system holds and remove air and moisture.
  • Recharge inject the right oil and the right amount of refrigerant.

When to flush

After a compressor failure, or when the oil comes out dark, flush before fitting the new compressor. Debris left in the system can destroy the new part.

What to look for in a machine

  • Automatic operation with on-screen prompts, so any technician can run it.
  • Refrigerant database charge amounts by car model.
  • Oil selection PAG for most cars, POE for hybrid electric compressors.
  • Printed report to show the customer what was done.
  • Non-condensable gas purge keeps recycled refrigerant clean.

The machines we supply

CSKA supplies SP ZONE's SPZ-FA1 (8.4-inch display, PAG or hybrid POE oil) and SPZ6000 (9-inch display, bigger cylinder, three fans and condenser).

Questions

Can I use the same oil for hybrid cars?

No. Hybrids with electric compressors usually need POE oil, because PAG oil can affect the compressor's insulation. Choose a machine that lets you select the oil.

How do I know a system needs flushing?

Dark or black oil, metal particles or a failed compressor are the usual signs.

Talk to CSKA

Tell us the cars you service and the jobs you do, and we will suggest the right tool.

WhatsApp +65 9822 2629

Need a tool for your workshop?

Tell us the model, or the cars and jobs it is for. We will reply on WhatsApp.

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