Version date: March 26
th
2018
27
7
Operator Manual
NA 64-- series gravity
7.2.1 Requirements
The following items are needed when cleaning the machine:
• Buckets & brushes
• Tea towel or kitchen roll
• Cleaning agent (recommended: Nissei Cip Clean)
• Disinfecting agent (recommended: Nissei Algides)
• O ring remover and piston puller
• 80% alcohol spray
• Lubricant (Petrogel)
The amount of Petrogel on the saucer is
enough to lubrucate all the parts of the
machine.
Every 2
nd
till 4
th
cleaning, depending of the polution,:
• Decalcify agent (recommended: Nissei Descaler)
7.2.2 Preventive maintenance
Preventive maintenance can be carried out by the operator when cleaning the
machine.
The following parts must be checked:
• Rubbers and O rings of the mix feed pipeand ice cream head.
We advise you to replace these twice a year.
• Scraper blades of the cylinder beater. These must be sharp enough to crape
the ice from the cylinder wall.
We advise you to replace these once a year.
Contact the dealer to order spareparts.
Always replace all O rings together.
The O rings can only be order in a complete set. See annex 2 -
’Spare Parts’ on page 46 for the productnumber.