Model G0922 (Mfd. Since 07/20)
-39-
CAUTION: If heating block is still hot, wear
gloves to protect hands during following step.
8. Pull down firmly on heating block to remove it
from heat sink (see Figure 54).
Figure 54. Example of removing heating block
from heat sink.
Thermal
Barrier Tube
Heating
Block
Heat Sink
9. Remove external debris and filament buildup
from heating block and thermal barrier tube.
— If thermal barrier tube has excessive build-
up, it can be unscrewed while heating
block is hot, then cleaned with a blowtorch
in the same manner as the nozzle (refer to
Step 5).
11. Remove hot end from print head case by
loosening (4) cap screws (see Figure 56).
Figure 53. Heat sink set screw location.
Heat Sink
Set Screw
7. Remove set screw from heat sink (see
Figure 53).
12. On top of hot end, loosen (2) flat head cap
screws and remove heat sink from bracket
(see Figure 57).
x 4
Figure 56. Example of print head screw location.
Hot End
Figure 55. Example of removing Bowden tube.
10. Remove Bowden tube from print head by
pressing down on tube coupler and pulling
firmly on the Bowden tube (see Figure 55).
Figure 57. Example of heat sink screw location.
x 2
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