20
Removing control unit
Detach the cover from the body as described on
page 19.
Remove the three socket-head cap screws (27).
Remove the control unit (6) together with the
orifice (28) from the adapter (5).
Remove the gasket (26) for the control unit.
For the disposal of the gaskets observe the
pertinent on-site regulations concerning waste
disposal.
Cleaning the equipment
Check the equipment at regular intervals for
contamination. The intervals depend on the amount
of dirt in the system. The operator must determine
the maintenance intervals.
Remove any parts that are dirty and cannot be
cleaned properly.
To clean the inside of the equipment proceed as
follows:
Detach the cover from the body as described on
page 19.
Remove the control unit as described on
page 20.
To remove dirt deposits rinse the equipment
with fresh water and wipe it with a clean, lint-
free cloth.
To remove any persistent residues use a
cleaning agent that is suitable for the material
and carefully wipe the equipment with a clean,
lint-free cloth.
Fix the control unit to the body as described on
page 22.
Attach the cover to the body as described on
page 23.
