NOTE:
The Vicat Softening Temperature for the resin type is recommended. Refer to the resin supplier’s
documentation for more information.
5. Once the nozzle tips have reached their setpoint approximately 120 °C (248 °F), wait until the
gate bubble on the rst nozzle tip is soft enough to remove and then turn o all the nozzle
tip heaters.
WARNING!
Electrocution hazard - risk of death or serious injury. Complete the lockout/tagout
procedure of the electrical power source before disconnecting the electrical connectors.
6. Lock out and tag the electrical power source.
IMPORTANT!
Do not allow the nozzle tips to overheat or degraded material will have to be cleaned out of the
nozzle housing before a new nozzle tip can be installed.
7. Disconnect the controller.
8. Remove all gate bubbles from the row with brass pliers, a clean cloth or a soft wire brush.
9. Repeat step 4 to step 8 for all subsequent rows.
WARNING!
Burn, re and gas hazard – risk of death or serious injury, and property damage. Use of an
open ame to remove resin could produce harmful gases (depending on the resin type),
damage components and increase the risk of re. Only use open ames sparingly and in a
controlled environment.
WARNING!
Burn hazard – risk of serious injury. To avoid serious burns, wear personal protective
equipment consisting of a heat-resistant coat, heat-resistant gloves, and a full face shield
over safety glasses. Use adequate ventilation for fumes.
CAUTION!
Mechanical hazard – risk of damage to the equipment. Abrasives should never be used to
clean the nozzle tips, as this could damage the critical sealing surfaces.
Do not remove the gate bubble with a hammer or tools made of hard material. Use tools
made of soft materials such as brass, copper or wood. Hammering or using hard material
tools could result in damage to the nozzle tips.
v 2.2 — March 2021 Unify Manifold System
110 Removing Insulating Gate Bubbles (If Equipped)
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