Stratasys Dimension 768/Elite User manual
Dimension BST/SST/Elite 768 Head Clog Clearing Guide
*** NOTE: BE VERY CAREFUL WHILE WORKING WITH THE HEAD. THE TIPS CAN REACH TEMPERATURES
OF 300 DEGREES CELSIUS. IT IS ADVISED TO WEAR THE PROTECTIVE GLOVES INCLUDED IN THE
WELCOME KIT AT ALL TIMES WHEN TOUCHING THE HEAD***
Step 1:
- Gather the appropriate tools
- Most of these tools are included in
your Welcome Kit that comes with
the machine
- You will need:
oNeedle Nose Pliers
oPhillips Head Screw Driver
o¼ “ Nut Driver
o7/32” Allen Key
oScissors or Wire Cutters
oProtective Gloves (Included
in Quick Start Kit)
oWire Brush (Included in
Quick Start Kit)
Step 2:
- Turn the machine on and allow it
to boot up
- Put the machine into maintenance
mode
- On the front of the machine from
the main menu select:
Maintenance Machine Head
- The menus may be different on
your machine depending on the
model and controller software
version
- The machine may take up to 30
minutes heat up before you can
work on the head
Step 2:
- Open the Head by unscrewing the
two quarter turn screws to the left
side of the head (circled in red)
Step 3:
- Slowly open the head
- Remove any clogged material and
cut the material off that is feeding
into the head
- After removing the material you
can see, unscrew the Feed Funnel
pictured to the right
Step 4:
- Wearing protective gloves
(included in the Welcome Kit),
remove the Feed Funnel and set
aside
Step 5:
- Unscrew the two motor screws
with a 7/64th allen
Step 6:
- Remove the motor with the pliers
and let it hang
Step 7:
- Using the needle nose pliers,
remove any excess material that is
in and around the tube that feeds
into the head
- On the front of the machine, select
the appropriate drive motor and
select reverse to run the motor,
then select “High Heat” on the
front of the machine. This will
soften the material and help force
it back out of the tube.
- This step could take a few minutes
as you will probably have to
remove some material, wait for
more to bubble out, and remove
more.
- Repeat this until as much of the
material as possible is removed
from the tube
Step 8:
- With the brush included in the
Welcome Kit, brush any material
away from the drive wheel on the
motor
Step 9:
- Reattach the drive motor to the
head
- The pegs on the motor (circled in
red) line up with the holes on the
head (circle in red)
- Another way to do this is to line up
the drive wheel with the tube that
the material was removed from
(next picture with the other drive
motor removed to be able to see)
- If you line these up then the pegs
will be in the correct position
Step 10:
- Reattach the Feed Funnel
Step 11:
- On the front of the machine run
the model motor forward
- Feed a piece of model material
through the head
- The material should start extruding
through the model tip after about
10 seconds
- If material does not feed through,
repeat the previous steps
Step 12:
- For the support side use the same
steps to detach the motor from the
head
- Once the motor is detached, use
the ¼” Nut Driver to remove the
nut that covers the feed tube. Be
very careful not to lose this nut.
- This nut is pictured in Step 9,
Picture 2 directly above the white
text box that reads “Feed Tube”.
Step 13:
- On the front of the machine run
the Support Drive motor in reverse
- Select High Heat if needed
- Use Needle Nose pliers to remove
any material in and around the
feed tube
- In the first picture to the right
circled in red is an example of
some material that needs to be
removed with pliers
Step 14:
- Reattach the motor and Feed
Funnel
- Cut approximately 5 inches of
support material
- Select Run Support Motor forward
from the front of the machine
- The Support Material should start
to extrude from the Support Tip
within 10 seconds
- If no material extrudes repeat the
previous steps
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