7
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK 3ntr 3D Printers
–
Maintenance & Troubleshooting Manual
3.2.4
Handling Extruder Assemblies
–
Best Practices
Your 3NTR extruder assemblies do require some attention to handling to ensure a long service life.
This section provides guidance for handling extruders as applicable to nozzle changes, extruder
disassembly, and any other maintenance service operation that requires handling the extruders.
3.2.5
Tools Required for Extruder Service
Recommended tools:
•
2.5mm hex driver (Set included
with printer)
•
Stainless Steel wrench (Supplied
with printer)
•
7 mm deep Socket (optional in
Spares and Special Tools Kit)
•
0.5 mm feeler gauge (optional in
Spares and Special Tools Kit, not
shown)
•
Dynamometric screwdriver with a
setting of 1.3Nm (optional in
Spares & Special Tools Kit,
2.5mm ¼” bit not shown)
Figure 3.2.4 Tools for Extruder Service
3.2.6
Avoid Damaging the Ceramic Heater Assembly
IMPORTANT
–
At no time should there be clamping or twisting force on the ceramic heater assembly,
thermocouple, and heater wires. Doing this will damage the ceramic heater assembly beyond repair and
void your warranty.
