Cleaning Feeder & Bowden Tube - Grizzly G0922 Owner's Manual

3. Preheat heating block to printing temperature
(refer to Preheating Nozzle on Page 26).
Before proceeding with the next step, put on
leather gloves to protect your hands while
handling the hot nozzle and heating block.
4.
Hold heating block in place using crescent
wrench while removing nozzle with 10mm
open-end wrench (see Figure 60).
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.
Figure 60. Example or removing nozzle from
heating block.
5. Hold heating block in place using crescent
wrench and install new nozzle with 10mm
socket wrench.
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. DO NOT
overtighten.
6. Install air flow case to print head with (2) but-
ton head cap screws.
7. Load filament (refer to Changing Filament
on Page 28).
Model G0922 (Mfd. Since 07/20)
Cleaning Feeder &
Bowden Tube
Small particles of filament will get caught in the
feeder and Bowden tube. The Bowden tube can
be cleaned by running a small piece of material
through it to remove trapped residue. The feeder
can be cleaned by blowing air into it.
Tools Needed
Tissue or Sponge .............................................. 1
1.75mm Filament ............................... As Needed
Compressed Air ................................. As Needed
To clean feeder and Bowden tube:
1. Unload filament (see Loading/Changing
Filament on Page 28).
2. Remove Bowden tube from print head by
pressing down on tube coupler and pulling
firmly on Bowden tube (see Figure 61).
Figure 61. Example of removing Bowden tube
from print head.
Qty
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