Operation Procedures; Start Up; Start; Stop - Nilfisk FOOD Hybrid YETI TW Instrucciones De Uso

7. Operation procedures

7.1. Start up

7.1.1.

Start

1. Make sure that the water and air supply to the
unit is open. For air see layout drawing. In case
of central chemical supply this must be activated
too.
2. Select requested function. Use the unit according
to the "User Guide".

Stop

7.1.2.
1. Close the water supply (layout drawing).
2. Close the air supply (layout drawing).
3. Deactivate chemical supply by pulling up the suc-
tion hose or removing the userpack.
Due to the following it is very important
to close water, air and chemical suplly
when the unit not in use.
• If the air supply is open when the unit
is not in use - air might seep into the
water pipe - which means that the
system has to be bled again.
7.1.3.

Adjustment of detergent

Remove cover from the unit.
Adjustment of detergent can be done either by means
of a limiting nozzle or by means of a dosing valve
(layout drawing).
The limiting nozzle is placed in the suction nipple of
the non-retur valve (110007616) and can be replaced
with a smaller or larger nozzle depending on the
concentration needed, please also see table for
guidelines.
Nozzle size in mm
0,4
0,5
0,6
0,7
0,8
0,9
1,0
1,1
1,5
7.1.4.

Adjustment of air

Remove the cover from the unit.
Adjust the air pressure on the reduction valve until an
appropriate foam quality is reached.
Turn clockwise to decrease air pressure
110007616
Turn counter clockwise to increase air pressure
All tests have been made with Topax 12
Concentration by 20 Bar in %
0,75
1,15
1,65
2,20
2,90
3,60
4,40
5,3
9,4
Pull the
knob to
adjust
air
pressure
15