Fragrance Dosing, Type DUFTDOS-DS
Index: 01
Date modified: 20.09.2017
BA no.: BA DW 015-01 Duftdos-DS EN 14168-21659.docx
Page 19 of 28
Renew hose on hose bracket
ATTENTION!
The new hose must be of the same colour and size as the disassembled hose. The hose
must not be twisted when inserted! The markings must be centred at the front (see
figure).
1.
Remove hose set,
see Section 7.1.1 "
2.
To renew the dosing hose, cut the hose clamp with a sharp knife or pliers
carefully
!
Do not damage the
hose stem!
3.
Slide the new dosing hose onto the hose stem so that the markings on the hose ends are to the front! This
ensures that the hose is not twisted.
4.
Attach the hose ends using the hose clamps and cut the protruding ends of the hose clamp off.
5.
Install hose set,
see Section 7.1.1 "
Figure 12, Hose Set, Individual Components
Key
16 Hose, black
15 Hose bracket
31 Marking
32 Hose clamp (2x)
7.1.2
Checking dosing valve
Certain fragrance concentrates cause deposits in the dosing line and in the dosing valve. This may interfere
with the fragrance dosing.
Check the dosing valve every 6 months or as required
1.
When refilling the fragrance concentrate allow the pump to suck some air in.
2.
Observe the air bubble when the fragrance pump is operating.
3.
If the air bubble in the suction pressure hose is transported further, the fragrance dosing is functioning
correctly. If the air bubble moves back and forth, the dosing valve is blocked and must be cleaned.
Clean dosing valve
1.
Release the dosing hose from the dosing valve.
2.
Unscrew the dosing valve.
3.
Wash the dosing valve out with warm water or rinse it with methylated spirit.
4.
If this proves unsuccessful, renew the valve.
32
16
31
15
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