Version date: March 26 th 2018 297Operator ManualNA 64-- series gravity7.2.4 DecalcifyThe machine, the cylinder beater and the mix feed pipe must be decalcified every4th cleaning, but at least twice a year. We advice to use to use the decalcifyagent mentioned below:• Decalcify agent: Nissei DescalerDecalcify the machine, the cylinder beater and the mix feed pipeevery 2ndtill 4th cleaning, depending of the polution, but at leasttwice a year.Decalcify solution• Make a solution of 1 liter Nissei Descaler and 10 litres of cold water.7.2.5 Cleaning air filter (optional)The air filter of air-cooled machines need to be cleaned every cleansing.1. Slide the air filter out of position.2. Rinse the air filter clean with lukewarm water.3. Knock hanging water from the air filter.4. Dry the air filter well.5. Place the air filter back in the machine.6. Place the machine back into positiontaking account with the placingspace.
