CAUTION: Liquified hot melt adhesive can cause
difficulty in maintaining your unit. Be certain that
all material in the tank has cooled before continuing
with maintenance.
8 Repair and Replacement
Refer to Parts List in section 9 for all replacement parts listed in
this section. Repair and replacement procedures not found here are
on the instruction sheets that come with spares kits listed in
section 9.
8.1 Supply Hose Replacement
1. Switch Off system power switch and allow the hot melt
material in the melt tank to cool.
2. Switch On system power switch and supply hose power switch
for 5 minutes to allow fittings to warm up. Switch Off system
power switch after the 5 minutes has elapsed.
3. Disconnect power and tilt unit backward.
4. Disconnect the supply hose electrical connector.
5. Remove screws from hose mounting block.
6. Loosen hose JIC fitting and remove hose from 90 degree fitting
on the flow control valve.
7. Disconnect the applicator head's electrical connector and
remove the old supply hose from the #6 JIC fitting on the
applicator head.
8. Install new supply hose on the melt unit as specified in
section 4.3, Component Installation.
9. Install applicator head on the new supply hose. Switch On
system power switch and supply hose power switch to
determine if the applicator head and supply hose are operating
properly.
!
40 KB30, KB50 and KB100 Series Hot Melt Units 19600-159 Rev. A 04/09/09 © Copyright Astro Packaging 2009
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