Section 5 - MAINTENANCE
27
© Copyright 2006 PREO SRL
All rights reserved
EAW530E2MV
Edition
03/2006
• Unscrew the filter with a 19 mm spanner
• Dispose of the filter in compliance with current waste disposal regulations
• Insert the new filter and screw it correctly into the manifold.
• Replace the manifold cover and the box on the tank side, then resume
work.
Different types of filters are available, as illustrated in the following table:
Code Description Q.ty
DDR1130 Complete Filter Unit mesh 0.85 1
DDR1130W Complete Filter Unit mesh 1.00 1
DDR1131W Complete Filter Unit mesh 2.00 1
5.5 CLEANING THE MELTING TANK
In order to avoid problems using the system when switching to a different type of
adhesive or in the event of excessive carbonisation accumulation, it is necessary to
clean the melting tank.
We recommend that the following procedures are carried out by specialist personnel
only.
• Place a heat-resistant recipient beneath the tap.
• Remove the protective carter in order to access the tap.
• When the glue is completely melted in the tank, open the valve as
illustrated in figure 26.
Figure 26
• The opening valve must be opened fully in order to prevent damaging the
seals.
• Let all the glue flow out and then close the valve again.
All PREO applicators are made using advanced technology and avant-garde
coatings. Despite this, in order to ensure a long working life, we recommend
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