-40-
Model G0922 (Mfd. Since 07/20)
Figure 58. Insulator tube and heat sink.
Heat Sink
Insulator
Tube
13. Remove insulator tube from heat sink (see
Figure 58).
14. Remove external debris and filament buildup
from heat sink.
15. Inspect insulator tube.
— If insulator tube is in good condition,
remove debris and filament buildup.
— If insulator tube is damaged or if there is
buildup inside tube, discard and replace it.
16. Insert insulator tube into heat sink.
17. Connect heat sink to bracket with (2) flat
head cap screws (see
Figure 57 on Page
39).
18. Push heating block into heat sink.
19. Secure heating block with set screw (see
Figure 53 on Page 39).
20. Preheat heating block to printing temperature
(refer to
Preheating Nozzle on Page 26).
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.
22. Install air flow case to print head with (2) but-
ton head cap screws (see
Figure 50 on Page
38).
23. Press down on tube coupler, then insert
Bowden tube into print head.
24. Load filament (refer to Changing Filament
on
Page 28).
Figure 59. Air flow case.
x 2
Air Flow
Case
2. Remove (2) button head cap screws and air
flow case from print head (see
Figure 59).
Replacing Nozzle
Nozzles are consumable parts. After 3–6 months
of regular use, the diameter of the nozzle will
increase and the tip will begin to look dull and
curved. When this happens, it is time for a
replacement.
Tools Needed
Qty
Pair of Work Gloves ........................................... 1
Small Crescent Wrench ..................................... 1
Socket Wrench 6mm ......................................... 1
T31846 Replacement Nozzle ............................ 1
To replace nozzle:
1. Unload filament (refer to Changing Filament
on
Page 28).
Before proceeding with the next step, put on
leather gloves to protect your hands while
handling the hot nozzle and heating block.
21. Hold heating block in place using crescent
wrench and install nozzle with 10mm open-
end wrench (see
Figure 51 on Page 38).
Summary of Contents for G0922
Page 56: ......
