VALCO MELTON D-90, Manual

Page: 95 / 150

7-6 Valco Melton
Section 7 – Maintenance MM125 - D-90 Hot Melt Unit
WARNING! WARNING! WARNING! WARNING! WARNING! If the system is hot, wear insulated gloves
and eye protection when disconnecting
hoses. Failure to observe could result in
personal injury, death, or damage to
equipment.
11. Turn the pump off.
12. Turn on the heating zones for the applicators.
13. Allow the applicators to reach temperature.
14. Reconnect the glue hoses to the applicators/units.
15. Turn the pump back on and activate the applicators to purge
remaining adhesive through the valve(s).
16. Reset the temperature control to the correct setting for the
material you are using.
The new material can now be pumped
through the system.
Parts
Replacement
Flushing the System - Continued
5. Manually activate the applicators to relieve any system pressure
buildup if the system is hot (if applicable).
6. Disconnect glue hoses from applicators/unit, and collect purged
material with an appropriate container.
7. Turn off the heating zone for the applicators.
8. Allow the unit and hoses to reach temperature.
9. Turn the pump on.
10. Pump purge material through the unit and glue hoses until
discharged material is free of particles.
Occasionally, parts may need to be repaired or replaced. The following
paragraphs contain instructions for removing parts from the hot melt unit. For
drawings and a complete list of part numbers, see
Section 10 — Part Number
List.