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5. SHUT-DOWN PROCEEDURE
When all work is completed but before powering-down welder, it is recommended that the residual
welding rod and extrudate be purged from barrel as follows:
1. Cut welding rod leaving approximately 6-12 inches in welder.
2. Start drive motor and allow remaining rod to enter barrel. Continue to run motor until RPM
increases and extrudate no longer exits Teflon shoe.
3. Stop drive motor and allow extrudate hanging from end of welder to cool for several minutes.
4. Once extrudate has cooled, pull from end of welder in a twisting motion. This removes all
material remaining in Teflon shoe area and prevents a "cold plug" from causing problems on
next start-up.
Turn hot air pre-heat element off by switching rocker located on the back of blower unit to the "O"
position. Allow blower to run for several minutes or until temperature displayed on pre-heat controller is
at 200 °F or below.
At this point you can simply un-plug the Pro-X extrusion welder, allow to cool for 5 minutes, and place
in shipping/storage case.
FOR ALL ADDITIONAL INFORMATION OR IF YOU HAVE ANY QUESTIONS, PLEASE
CONTACT US AT:
SHUT-DOWN
Demtech Services, Inc
6414 Capitol Avenue
Diamond Springs, CA, USA 95619
(888) 324-WELD (9353)
(530) 621-3200
(530) 621-0150 Fax
www.demtech.com
demodave@demtech.com
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