Nordson 3100V Series Customer Product Manual page 169

A
5-16
Maintenance
To Flush the System with a Flushing Material
(contd.)
CAUTION: Certain flushing
materials can damage seals and
o-rings, resulting in poor pump performance.
Be sure that the
flushing material you use has been approved by your Nordson
representative.
To
determine the best flushing material to use,
contact your adhesive supplier.
1.
Before beginning
this procedure, first complete the procedure
Io
Prepare for Flushing the System earlier in this section.
NOTE: This
procedure describes how to flush all hoses at once.
However, for maximum cleaning of badly charred hoses, use this
procedure and flush each hose one at
a
time.
2.
See Figure A
5-11.
lf
you have not already done so, secure the free
end of each hose to
a
container that will be used to collect the hot
melt material.
3.
Set the tank and hose temperature to the recommended temperature
of the
flushing material.
Refer
to
System Programming Proceduresin
lhe lnstallation section
of
this manual.
4.
Pour the flushing material into the empty tank to within 25 mm (1 in.)
of the
top of the tank.
5.
When
the unit reaches the preset temperature, gradually increase
pump
air pressure by turning the air pressure regulator clockwise and
pump materialthrough the system
untilthe flushing
material starts to
come out.
6.
Decrease pump air pressure to 0 by turning the valve fully
counterclockwise.
7.
Allow
the remaining material to drain from the
hoses.
8.
See Figure
A5-12.
Remove the hoses from the collection container,
place
them over the tank, and secure them.
410ts422
Fig.
A
5-12
Securing a
Hose to the
Tank
A5EN{7-[3V-X-AXAX]-5
41-3000v
lssued 9/98
q898
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Corporation
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