Cleaning
Note: A thorough daily rinse of the scale is very important to help
prevent corrosion and rust problems. Use clean cold water. Never rinse
with seawater.
• Clean the scale with detergents approved for use in the food industry.
Follow the manufacturer’s instructions for use.
• Do not use excessively strong solutions of detergent.
Base solutions corrode aluminum parts, for example load cells.
The use of chlorine can cause rust spots to appear on the stainless
steel.
• Do not use high-pressure jets on the M1100. Instead, use low water
pressure or pour water over by hand.
Detergents
The acidity of detergents used on Marel equipment should preferably be
pH 12-13.
3
Strong base solutions are the main ingredients in most cleaning agents,
for example potassium hydroxide (KOH) or caustic soda (NaOH).
Because of its corrosive effects, caustic soda is not a desirable detergent
for the M1100. If possible, use detergent solutions with KOH instead.
Always use detergents according to the detergent manufacturer’s
instructions.
Do not use a detergent containing sodium hypochlorite for daily
cleaning. Sodium hypochlorite is a common ingredient in detergents, but
as it contains chlorine it should be used with great care because of
chlorine’s corrosive effect on stainless steel.
Daily cleaning
• Use high alkaline foaming detergent, ph 1% 12-13, for regular
daily cleaning. Do not use a detergent containing sodium
hypochlorite for daily cleaning. The foaming detergent must be
selected carefully and should contain some corrosion inhibitors
and preferably potassium hydroxide (KOH) instead of sodium
hydroxide (NaOH).
• Spray the detergent on all surface areas and leave to work for
approximately 20 minutes. Rinse the detergent off.
3
Marel has developed the detergent Frima fip 6 in cooperation with Icelandic cleaning agents manufacturer Frigg hf.
Frima fip 6 is an alkaline foaming detergent suitable for use in all branches of the food industry and specially
designed to minimize the damaging effect of a harsh wash-down environment on Marel’s equipment.
8 • The M1100 Scale M1100, U2 & C2-3.3
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