Operation Manual

Dimension BST 768 / SST 768 User Guide
Troubleshooting 67
C. With the glue brush provided in the Startup Kit, clear any
material buildup from each drive by brushing its serrated
drive wheel.
13. Check for Extrusion.
A. Press Forward.
Pull out 6 inches of material from the fixed head housing.
Feed the filament into the drive blocks and look at the tips
to verify material is extruding through both liquefiers.
B. If the filament does not extrude:
i. Stop the motors and return to Step 4.
ii. If, after two tries the material fails to extrude, call your
service provider.
C. If the purge was successful, continue to run both filament
motors forward and slowly swivel the head closed.
D. Once the head is closed, tighten both ¼ turn screws.
E. Verify material continues to extrude through both tips for
an additional 30 seconds, and then press Stop to halt
extrusion.
F. Push Done. The panel displays Is material loaded?
G. Press Yes. The panel displays Exiting maintenance
and you can resume normal operation.
IMPORTANT
While closing the head, be careful not to
crimp the filament, and make sure that
the head wiring doesn’t get pinched
between the swivel head and the rear
head housing.