Cleaning
Cleaning
The following sections contain general instructions for good cleaning practices which Marel
considers appropriate for Marel equipment. The instructions are not a proposal for a com
plete cleaning plan for the user. The best available practices should be used at all times.
We recommend that you request an introduction to recommended cleaning agents and their
use, from a qualified distributor of cleaning solutions. Selecting a sanitizer depends on the
type of equipment to be sanitized, the hardness of the water, the application equipment
available, the effectiveness of the sanitizer under site conditions, and cost.
Only approved sanitizers should be used in food processing plants. Lists of approved san
itizers are published by the authorities in most countries; see for example the Code of Federal
Regulations in USA.
Request technical advice from a reputable sanitizer manufacturer, if you have questions on
which sanitizer to use, as well as questions on the appropriate solution strength.
l It is very important that the M3310 HMI Controller is thoroughly cleaned every day after
operation.
l In general, do not use excessively strong solutions of detergent. Chlorine disintegrates
belts and strong base solutions (pH>13) corrode aluminum parts, air cylinders for example.
The use of chlorine may cause rust spots to appear on the stainless steel.
l High-pressure water jets can easily damage sensitive mechanisms in the equipment. There
fore, avoid high-pressure water jets on the M3310 Controller display, product sensor and
load cell, the electrical cabinets, or motor.
Instead, use low water pressure (tap water), or clean these parts by hand and pour water
over to rinse.
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