11
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK 3ntr 3D Printers
–
Maintenance & Troubleshooting Manual
Figure 3.2.9 Set Screw Location
IMPORTANT
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Avoid direct stress on thermocouple wire leading into ceramic heater.
Sometimes a full disassembly of an extruder is required to clean trapped material. Before
doing this, consider attempting both the short and long high heat clean procedure first.
3.3
Extruder Disassembly
This sections details disassembly of the extruder that may be required to remedy extruder performance
issues, to replace a heater, or for nozzle service (off-machine)
Before undertaking an Extruder Disassembly, be sure to review all the instruction regarding handling
extruders. See Section
Extruder Overview, Handling, & Service
for details before proceeding.
CAUTION
- NEVER, EVER bend wire and thermo couple probe entering the heater You may permanently
damage the heater. If you pull or bend too much you may kill thermocouple or short power leads. In any
case you are PERMANENTLY damaging the heater!
1)
Do a Z homing then move plate to Z=190
2)
Run a nozzle cleaning and leave the nozzle empty.
See Section
Clean Nozzles
for Procedure.
3)
Remove PTFE piping: push on collar with the supplied tool (or a 7mm key) while pushing in the
pipe then pulling it away