Model G0923 (Mfd. Since 05/20)
-39-
Dismantling Print Head
If a clog is located higher up in the print head, or
if "heat creep" has occurred—molten plastic ris-
ing into the heat sink and cooling—then the print
head may need to be disassembled and cleaned.
Tools Needed
Qty
Pair of Work Gloves ........................................... 1
Small Crescent Wrench ..................................... 1
Socket Wrench 6mm ......................................... 1
Hex Wrench 2mm .............................................. 1
Blowtorch or Heat Gun ...................................... 1
To dismantle print head:
1. Unload filament (refer to Changing Filament
on
Page 29).
2. Remove Bowden tube from print head by
pressing down on tube coupler and pulling
firmly on the Bowden tube (see
Figure 50).
Figure 50. Removing Bowden tube.
Figure 52. Removing nozzle from heating block.
3. Remove bottom plate of print head cover
(see
Figure 51).
4. Remove print head cover from print head
(see
Figure 51).
Figure 51. Print head cover components.
5. Preheat heating block to printing temperature
(refer to
Preheating Nozzle on Page 26).
Before proceeding with the next step, wear
gloves to protect your hands while handling
the hot nozzle and heating block.
6. Hold heating block in place using crescent
wrench while removing nozzle with 6mm
socket wrench (see
Figure 52).
IMPORTANT: Do not loosen, remove, or
tighten nozzle unless heating block is heated.
Heating block and nozzle threads may be
damaged if threaded while cold.
Bottom
Plate
Print Head Cover
Summary of Contents for G0923
Page 56: ......
