50
8.
Remove both drive block assemblies from the swivel part of the head.
a.
Set a material cartridge on top of the tray
to support the removed drive block
assemblies.
b.
Remove the support drive block first. Use a 7
⁄
64
”
Allen wrench to remove the two screws
securing the motor assembly as shown in
Figure 33.
Figure 33:
Removing the drive block assemblies to check for buildup
c.
Set the drive block assembly on the material cartridge.
d.
Remove the model drive block assembly the same way.
9.
With the drive blocks removed, look through both filament guide funnels for obstructions. If an
obstruction is present, clear the drive block obstruction as follows:
a.
Remove the filament guide funnel.
Use the 7
⁄
64
”
Allen wrench provided in the Startup Kit to remove the filament-guide
mounting screw as shown in
Figure 34.
b.
Remove any excess material; use the needle-nose pliers if necessary.
c.
Replace the filament guide funnel.
Note:
The drive block mounting screws are self contained and will not remove
completely.
Note:
The drive block mounting screws are self contained and will not remove
completely.
CAUTION:
Liquefier inlet tubes are fragile. Be careful not to damage them when
removing material.
Drive Block Assembly
Mounting Screws
Filament Guide Funnel and Mounting Screw
Drive Wheels
Model
Drive block
assembly
Support
Drive block
assembly
