Nissei NA9328WEG Operator's Manual
Also see for NA3338WEGK: Operator's manual
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Contents
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Version date: March 26 th 2018 236Operator ManualNA 9328 Prof XL pump6.3 How can I get the best yield from the machineThe machine must be running at a stable speed with a constant air/mix balancein order to achieve the best yield. If this air/mix balance is not constant, your icecream will be soft or wet or your machine will make a rasping sound, you willexperience a popping from the tap opening or the machine's display will show theindication LO. If one of these situations occurs, you should first check that the XLpump is still functioning properly before changing any of the machine's settings.6.3.1 How can I check whether the XL pump is not causing a malfunctionThe proper functioning of the XL pump is easy to check by then carrying out thefollowing two actions:1. Place a drop of water on the nozzle and draw off a tiny piece of ice cream.The drop of water should now be drawn into the nozzle valve.2. Draw off a normal ice cream. The pump should stop within two-to-threestrokes.If this is not so in one or both of these cases, you should first remove the XL pumpfrom the machine and clean it in accordance with chapter 7.3.13.After replacing the XL pump in the machine, you should first draw off 20-to-25ice creams before you can judge the result.6.3.2 What should I do with a soft or wet and watery ice creamA soft or wet and watery ice cream is normally caused by too little air in the icecream. In some cases, too high a temperature of the ice cream, above -5° C canalso make the ice cream soft or wet and watery. You should then carry out thefollowing steps in order to make your ice cream a little drier and firmer:1. Measure the temperature of your ice cream. If it is over -5° C, you shouldincrease the viscosity by half a point (see chapter 5.6).2. If the temperature of the ice cream is below -5° C, check first if the hole inthe nozzle on the nozzle valve is blocked. If this is the case, clean the nozzlethoroughly and replace the nozzle on the nozzle valve. The air/mix balancewill then be restored and drawing off 20-to-25 ice creams will improve thequality of the ice cream. |
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