What is ACC9 air cooler chemical used for?
ACC9 is a concentrated, solvent-based emulsion cleaner. It removes oil, grease and carbon deposits from the air side of diesel engine charge air coolers, scavenge air systems and the compressor side of turbochargers. It is also used on AHU, FCU and air cooled condenser coils, and for light carbon removal from machinery parts.
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How do you dilute air cooler cleaning chemical?
It depends on the method and how fouled the cooler is. Typical figures for this class are 10-30% in water for soak or recirculation, 10-25% for in-service injection and 5-25% in fresh water for the turbocharger air side. For hand spray cleaning, our product sheet calls for the concentrate.
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Can ACC9 be used while the engine is running?
In-service injection is possible only if the engine maker approves it. A typical 10-25% solution is injected upstream of the charge air cooler for about 10-15 minutes, followed by the same amount of fresh water. For hand spray cleaning, the engine must be stopped and the drain valve kept open.
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Is air cooler chemical flammable?
Products of this type typically have a flash point above 61 °C as a concentrate. Once diluted in water, the solution is described as non-flammable, with no flash point. Read the Safety Data Sheet before use and wear chemical gloves and eye protection.
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Does air cooler chemical need rinsing after use?
Yes. After the contact time, wash off the loosened deposits with high-pressure fresh water, keeping the jet at an angle that does not bend the fins. Keep the cooler drains open while you flush so the oily rinse water runs out, then close the drains once the cooler is clean.
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