Translation of the original Operation Manual
8-1
•1307_PU280_SV1018DV1020_BAoDB_en•ski
en
8
Barrel change
Change material drum before it is completely empty.
Never allow the system to run empty. This prevents the intake of air which could
cause faults in the pressure build-up for both components and crystallization of
the isocyanate.
The heating can remain switched on during the barrel change.
1.
End spraying process.
+
Figure 8.1
2.
Exchange empty material drums for full ones.
➤
Place the feed pumps securely into the filled material drums
3.
Ventilate the system
➤
Catch the material in the empty collecting vessel.
Disassemble the spray gun from the connection block, as described in
chapter
“11.3.8 Dismantle the spray gun”, p. 11-9.
Spray Gun
Feed Pump
Proportioner Pump
6 bar
/ 87 psi
6 bar
/ 87 psi
0,5 bar
/ 7,25 psi
Attention!
Ensure correct component
allocation at all times!
red =
Iso
components
(isocyanate)
blue =
Poly
components
(Polyol)
8.1 Without
circulation
Possibility 1
Summary of Contents for DUOMIX PU280
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