AlphaDynamik ATLAS C Series, Installation, Operation And Maintenance Manual, Page: 13 / 44

7. MAINTENANCE
7.1. GENERAL INFORMATION
Like any other machine, this pump requires maintenance. The instructions contained in this manual cover the
identification anc replacement of spare parts. The instructions have been prepared for maintenance personnel and
for those responsible for the supply of spare parts.
Please read Chapter 8. Technical Specifications carefully
All replaced material should be duly eliminated/recycled accord in
ρ
to the directives in effect
in the area.
ALWAYS disconnect the pump from the power supply before undertaking maintenance work.
7.1.1. Check packing material
Regularly check that there are no leaks in the shaft area. If there are leaks through the packing material, replace it
following the instructions given under the Assembly and Disnianding section.
7.2. STORAGE
The pump must be completely emptied of fluid before storage, If possible, avoid exposing the components of the
pump to excessively damp environments.
7.3. CLEANING
Manual cleaning
The use of aggressive cleaning products such as caustic soda and nitric acid may give rise to
skin burns.
Use rubber gloves during the cleaning process.
Always use protective goggles.
7.3.1 Automatic CIP (cleaning-in-place)
If the pump is installed in a system fitted with a CIP process, there will be no need for stripping.
The recommended minimum liquid speed for an effective process of cleaning is 1,8 m/s (minimum Re > 100000 at
1,0-2,5 bar). If it is not fitted with an automatic cleaning process, strip the pump pursuant to the instructions given in
the section entitled Stripping and Assembly of the pump.
Cleaning solutions for CIP proceesses
Only use clear water (chloride free) to mix with cleaning agents:
a. Alkaline solution 1% in weight of caustic soda (NaOH) to 70C
1 kg NaOH +100 l.water-cleaning solution
2.2 lt NaOH al 33% or +100 lt of water = cleaning solution
b) acid solution 0.5% in weight of nitric acid (HNO3) to 70C
0.7 liters HNO3 to 53% +100 l.water = cleaning solution
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