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How to Replace the Side Cooling Fan Cover 2

Tool:

①2.5mm hex wrench

②2mm hex wrench

③1.5mm hex wrench


A. Move the Print Head to a Position Where You Can Easily Operate It

Adjust the print head to a position where you can easily operate this procedure on it.


1. Select the “Utilities” tab on the screen.

Figure 1 Enter the “Utilities” tab.


2. Set the temperature of the nozzle to the proper loading temperature. For example, the Raise3D PLA default loading temperature is 215℃. In this guide, we demonstrate how to perform this procedure using the left nozzle as an example. We set the left nozzle temperature to 215℃.

Figure 2 Set the temperature of the nozzle to the proper unloading temperature.


3. Select "Unload", and the printer will start heating. When the printer reaches the target temperature, select "Unload". The extruder will pre-extrude the remaining filament and start to withdraw the filament.

Figure 3 Unload the filament.


4. Press the quick connecter, and pull out the filament guide tube.

Figure 4 Press the quick connector, and pull out the filament guide tube.


5.Gently pull the filaments out of the extruder. After the filament is completely removed from the extruder, select "OK" on the screen to end the unloading.

Figure 5 Gently pull out the filament from the extruder.


B. Move the Print Head to a Position Where You Can Easily Operate It

Adjust the print head to a position where you can easily operate this procedure on it.

Note: We demonstrate how to replace a nozzle using the left extruder as an example.


1. Select the “Utilities” tab on the screen.

Figure 6 Select the “Utilities” tab on the screen.


2. Select the “Unlock” button on the upper left corner of the screen.

Figure 2 Select the “Unlock” button.


3. Push the print head carrier to move the extruder to a position suitable for operation.

Figure 3 Push the print head carrier to move the extruder to a position suitable for operation.


B. Remove the Side Cooling Fan Cover 2

1. Turn off the printer and cut off the power.

Figure 4 Turn off the printer and cut off the power.


2. Remove the back cover


1)Remove the back cover and remove the 7 screws from it. 6 of the screws require a 2mm hex wrench to remove them and are indicated with a red circle in the image below. One of the screws requires a 2.5mm hex wrench to remove it and is indicated with the green circle in the image below.

Figure 5 Remove the back cover and remove the 7 screws from it.                                                                                                                

Figure 6 Remove the back cover.


3. Remove the side cooling fan cover 2.

1)Remove one screw on the side cooling fan assembly with the 2mm wrench.

Figure 7 Remove one screw on the side cooling fan assembly with the 2mm wrench.


2)Remove the two screws on the rear of the side cooling fan assembly using a 2.5mm wrench, press the latch, and remove the side cooling fan cable.


Figure 8 Remove the two screws on the rear of the side cooling fan assembly using a 2.5mm wrench, press the latch, and remove the side cooling fan cable.


3)Remove the side cooling fan assembly.

Figure 9 Remove the side cooling fan assembly.


4)Remove the two screws using a 1.5mm wrench and remove the side cooling fan cover 2.

Figure 10 Remove the two screws using a 1.5mm wrench and remove the side cooling fan cover 2.


C. Install the New Side Cooling Fan Cover 2

1)Prepare the new side cooling fan cover 2, align the air exhaust vent of the side cooling fan with the empty slot of the side cooling fan cover 2, put the side cooling fan in place, and tighten the two screws on the assembly using a 1.5mm wrench.

Figure 11 Prepare the new side cooling fan cover 2, align the air exhaust vent of the side cooling fan with the empty slot of the side cooling fan cover 2, put the side cooling fan in place, and tighten the two screws on the assembly using a 1.5mm wrench.


2)Prepare the assembled side cooling fan, pass the cable of the side cooling fan through the empty slot, and put the side cooling fan in place.

Figure 12 Prepare the assembled side cooling fan assembly, pass the cable of the side cooling fan through the empty slot, and put the side cooling fan assembly in place.


3)Press the buckle, insert the side cooling fan cable, and install the two screws on the back of the side cooling fan assembly using a 2.5mm wrench.

Figure 13 Press the buckle, insert the side cooling fan cable, and install the two screws on the back of the side cooling fan using a 2.5mm wrench.


4)Install one screw on the side cooling fan with a 2mm wrench.

Figure 14 Install one screw on the side cooling fan with a 2mm wrench.


5)Put the back cover in place and tighten the 7 screws on it. 6 of the screws require a 2mm hex wrench to replace them and are indicated with a red circle in the image below. One of the screws requires a 2.5mm hex wrench to replace it and is indicated with the green circle in the image below.

Note:Put the back cover in place, and install it. Remember to avoid tightening the cables when tightening the screws.

Figure 15 Put the back cover in place.

Figure 16 Tighten 7 screws on the back cover.


D. Check If the Side Cooling Fan Runs Normally after Replacing the Side Cooling Fan Cover 2

1. Find the power switch at the bottom right on the back of the printer and turn on the switch.

2. Adjust the fan speed to check whether the side cooling fan works properly.

1)Select the “Tune” tab on the screen.

Figure 17 Select the “Tune” tab on the screen.


2)Select “Fan speed”,tune the Fan speed from 0 to 100,and observe whether the fan runs normally.

Figure 18 Select “Fan speed”,tune the Fan speed from 0 to 100,and observe whether the fan runs normally.



[15.075-EN.1.0.20220615-How to Replace the Side Cooling Fan Cover 2]



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