Machine Maintenance & Cleaning

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Like spark plugs in a car, the atomizing core is a high-performance consumable component. ⚙️

Under normal residential or commercial operation with proper alcohol flushing, a premium atomizing core lasts between 12 to 24 months.

Signs that it’s time to buy a replacement core:

• You've flushed it with alcohol multiple times, but the mist density is still 50% weaker than when it was brand new.

• The machine is making a louder, high-pitched whistling noise (indicating the internal pressure micro-orifice has worn out or expanded due to friction).

You can grab an official OEM replacement atomizing head directly from our catalog here: [👉 https://www.kevinleoscent.com/category/parts]. It takes less than 30 seconds to twist off the old one and twist on the new one!

Oil pooling inside the compartment is almost always caused by a misplaced or worn-out seal. 🔧

Please check these 3 critical sealing points:

1. The O-Ring Gasket: Check inside the connector where the oil bottle screws in. There is a small rubber O-ring. If it's missing, twisted, or flattened, air pressure will escape, causing the oil to leak downward instead of moving up into the nozzle.

2. Overfilling the Bottle: Never fill the aluminum or plastic bottle to the absolute brim. Leave about 0.5 inch (1-2 cm) of headspace at the top. When the pump creates high-velocity airflow, an overfilled bottle can cause liquid oil to be sucked into the air return vent.

3. The Tilting Rule: Always keep the machine strictly vertical. If the machine is knocked over or tilted while holding oil, the fluid will escape into the air-pump circuitry.

(Tip: If you need replacement O-rings, reply with your order ID below and our support team…

Stop! 🛑 Please NEVER use water, dish soap, or vinegar inside a professional Cold-Air Scent Machine.

Here is the mechanical reason why: Ultrasonic diffusers use water as a carrier, but our commercial nebulizers utilize waterless nano-atomization.

• If water enters the high-pressure precision nozzle or the internal air pump, it will cause flash rusting of the mechanical components and permanently ruin the pressure seals.

• Furthermore, oil and water don't mix. Introducing water will cause the remaining fragrance oil to emulsify into a milky, thick sludge that will completely brick the atomizer core. Stick strictly to 90%+ Isopropyl Alcohol or Ethanol—they evaporate completely and leave zero residue!