
May 2009 AfiFree Terminal 155i Installation Manual 119
Chemical Dispensing Pumps
To achieve accurate detergent dispensing, we recommend using chemical dispensing
pumps.
Vacuum Pump
The vacuum pump must operate throughout the cleaning cycle. A temporary stop
of the vacuum pump while the sink is being filled can cause milk and cleaning
fluid to seep out between the lid and the AfiFree155 body.
The clusters must be connected to the jetters.
Liquid Volume
During every stage of cleaning, there must be sufficient liquid to ―flood‖ the milk
chamber of the AfiFree155i bodies.
The amount of liquid required per milking point varies between 6–8 liters, according
to:
Parlor configuration
Length and diameter of milk lines
Volume of the receiving vessels
Factors requiring additional liquid for cleaning:
Double size milk line is installed in the parlor
Milk tank is far from the parlor
Temperature and Cycle
There are various cleaning systems and procedures in use in milking parlors.
Nevertheless, the following rules must be followed for all the procedures and
detergents in use.
Initial cleaning in an open circuit: All residual milk must be rinsed into a drain
using lukewarm water. The temperature of the water should be approximately body
temperature.
Water too cold will cause the milk fats to solidify on the surfaces, and be difficult
to remove.
Water too hot will cause the milk fats to bake onto the surfaces, and be difficult
to remove.
Cleaning with hot soapy water: circulate hot water with detergent in the system.
Use a basic detergent additive (Ph=13)
Entry water: minimum 70°C (158°F)
Returning water: minimum 55°C (131°F)
The milking system must be warmed up by passing hot water through the system.
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