Miele PG 8583 CD Operating Instructions Manual page 46

Chemical processes and technology
Associated process chemicals
Problem
De-foaming agents, especially silicone-
based ones, can cause the following:
- a build-up of deposits in the wash cabinet
- a build-up of deposits on the wash items
- damage to elastomers and plastics in the
cleaning machine
- damage to certain plastics (e.g., polycar-
bonate and plexiglass) in the wash items
Soiling
Problem
The following substances can damage elas-
tomers (hoses and seals) and plastics in the
cleaning machine:
- oil, wax, aromatic and unsaturated hydro-
carbons
- emollients
- cosmetics, hygiene and skincare products
such as creams (analytical applications,
filling)
The following substances can lead to a
heavy build-up of foam during washing and
rinsing:
- some disinfection agents, dishwashing
cleaning agents, etc.
- reagents for analysis, e.g., for microtiter
plates
- cosmetics, hygiene and skincare products
such as shampoos and creams (analytical
applications, filling)
- active foaming agents such as surfactants
46
Solution
- De-foaming agents should be used in ex-
ceptional cases only; for instance, when
absolutely essential for the process.
- The wash cabinet and accessories should
be periodically cleaned without wash
items and without de-foaming agent using
the Organic program.
- Contact Miele for advice.
Solution
- Depending on usage, wipe the lower door
seal on the cleaning machine periodically
with a lint-free cloth or sponge. Clean the
wash cabinet and accessories without
wash items using the
- Reprocess the wash items using the
program
program (where this is available)
or use a special program that dispenses
cleaning agents containing tensides.
- Thoroughly rinse wash items in water be-
forehand.
- Select a cleaning program with at least
one short pre-wash in cold or hot water.
- Depending on the application, use de-
foaming agents that do not contain sili-
cone oils.
Organic
program.
Oil