Nilfisk FOOD Hybrid SH2 Mode D'emploi page 16

7.2. Changing air /foam on 1 or 2 products
Remove the cover from the unit.
The dosing valve (optional) is placed on the bracket
above the injector block. (layout drawing)
Adjust the valve by turning counter clock wise for
lower concentration and clock wise for higher con-
centration, as guideline we can inform you that by a
setting of approx. 2 the concentration will be approx.
2,5%, tested with Topax 12.
In order to get your equipment adjusted properly we
recommend that your chemical supplier adjust it for
you for a clock wise measurement of the detergent
in use.
7.2.1. Adjustment of air
Remove the cover from the unit.
Adjust the air pressure on the reduction valve until
an
appropriate foam quality is reached.
When setting the regulator, carefully
pull up the knob and turn it clockwise
for pressure increase and counter clock
wise for pressure decrease.
7.3. Maintenance, trouble shooting and Service
Maintenance Instructions
1. Quick couplings; it is recommended to lubri-
16
180°
1
cate all couplings parts regularly, approx. once
a month) by water proof grease to prevent leaks
and damage of o-rings.
2. If the quick couplings leak, o-rings should be
replaced.
3. Depending on usage, maintenance should be
undertaken by an authorised service engineer at
least once a year in order to prevent defects and
failure of operation. Authorised engineers are
persons who due to their skills and experience
have sufficient knowledge of Hygiene Systems
and are confident with the state work safety regu-
lations, accident preventing regulations, lines and
generally acknowledged technical regulations
such as DIN-norms and VDE-provisions. For
your safety, this cleaning unit has been manufac-
tured according to all relevant regulations valid
in the EU and therefore it has been supplied with
the CE-marking. For further information, please
refer to the service department.
4. When the cleaning process has been completed
or chemicals have been changed, it is important
to rinse the suction and injector systems in the
following way:
5. Replace the can with a can containing clean
water.
6. Put the suction hose into the water can.
• Connect the foam nozzle.
• Open the spray gun/outlet valve and keep it open
until the injector has been rinsed through (approx.
30 seconds).
110003805A
• Remove the suction hose from the water can.
7. It is recommended to descale the unit according
to pharagraph 9.3
8. It is recommended to clean the surface inside the
unit at least once a month in order to maintain
parts and avoid corrosion of parts.
2
110009449
110009474