¶ What it is
The first stage feeder, as the name suggests, it is a device that provides the first stage driving force for the AMS to feed the filament, and there are four first stage feeders in one AMS.
¶ When to use
Gears error or visible damage, the detection of the switch is unstable.
¶ Tools and materials needed
H2.0 allen key
¶ Safety warning and Machine state before starting operation
Turn printer power OFF and disconnect the connection with the printer.
¶ Operation guide
¶ Step 1 - (Disassembly) Disconnect the PTFE tube
Open the AMS cover, press the button on the filaments hub and pull out the PTFE tube.
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¶ Step 2 - Remove 2 screws
Remove 2 screws.
¶ Step 3 - Remove the middle frame
Flip the middle frame upward, disconnect the bambu bus cable and the power cable,remove the middle frame module.
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¶ Step 4 - Remove the AMS driving_Sleeve Unit
Remove the AMS driving_Sleeve Unit.
¶ Step 5 - Disconnect cable and tube
Disconnect the cable from the main board, and the PTFE tube from the filaments hub. For example, if you want to replace the first stage feeder in slot 1, then you disconnect the correlative cable and tube.
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¶ Step 6 - Remove the first stage feeder
Remove 4 screws, press on both side of the first stage feeder to remove it.
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¶ Step 7 - Disconnect the PTFE tube
Disconnect the PTFE tube.
¶ Step 8 - (Assembly) Connect the PTFE tube
Connect the PTFE tube to the feeder.
(Note: The tube's length for the feeders in slot 1&4 is 230mm; for the feeders in slot 2&3 si 195mm ).
¶ Step 9 - Install the first stage feeder
Pass the cable and PTFE through the hole on the middle frame, and install the first stage feeder to place, lock in 4 screws.
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¶ Step 10 - Connect cable and PTFE tube
Connect the cable and the PTFE tube.
Connect the cable to the main board, and the PTFE tube to the filaments hub. For example, if you install the first stage feeder in slot 1, then you use the connectors marked with SLOT1.
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¶ Step 11 - Install the AMS driving sleeve unit
Install the AMS driving sleeve unit.
¶ Step 12 - Install the middle frame
Place the middle frame into the AMS shell, connect the bambu bus cable and the power cable.
¶ Step 13 - Lock 2 screws
Install the middle frame in place, lock in 2 screws.
¶ Step 14 - Connect the PTFE tube
Check the tube bracket, and insert the PTFE tube, try to pull it out to make sure that the tube is well connected.
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¶ How to verify completion/success
Connect the AMS to printer and power on. Load filaments the slot you replace the first stage feeder to the AMS, click "Load" on the screen to start loading the filament.
And then click unload to unload the filament.
Repeat the loading process 3 times, if all function OK, the replacement is complete and success. Otherwise, check the connections of the cables and filament tubes, if no error found and still malfunction, contact the service team for solution advice.