Operation Manual

62 Troubleshooting
Dimension BST 768 / SST 768 User Guide
B. If the purge was successful:
i. Continue to run both filament motors forward and
slowly swivel the head closed. Be careful to not pinch
the filament or the head wiring when closing the head.
ii. Once the head is closed, tighten both of the swivel
head screws, ¼ turn.
iii. Verify material continues to extrude through both tips
for an additional 30 seconds, then press Stop to halt
extrusion.
iv. Push Done. The panel displays Is material
loaded?
v. Press Yes. The panel displays Exiting
maintenance and you can now resume normal
operation. (Skip Steps 4 through 13.)
C. If material did not purge, continue with the following steps.
4. Snip both filaments approximately 1 inch from the fixed part of
the head (see Figure 21).
Figure 21: Materials coming out of feed tubes
NOTE
On rare occasions, the material may NOT be extending out from
the feed tubes. If this occurs, push in the appropriate cartridge to
unlatch it. Pull out the cartridge to expose the filament and
manually feed the filament through the feed tubes until the