Multicolor System n Gearbox Motor for Anycubic ACE 2 Pro

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Please ensure you carefully check your machine model before placing an order to ensure compatibility with this product.

ACE 2 Pro Gearbox Assembly Replacement Guide

When should you use this guide?

Anycubic technical support recommendation

Tools and materials

H2.0 Allen key.

Phillips head screws.

New ACE 2 Pro gearbox assembly.

Safety Tip

Power must be turned off and the power cord removed before replacing the buffer Hall plate.

Preparation before replacement:

All consumables need to be returned, and all material trays must be removed. The box should be flipped over or placed on its side to facilitate replacement.

1. Disassembly Steps:

Step 1: Disassembly and Removal of Teflon Tube, Signal Cable, and Power Cable

1. Remove the wire harness and power cable (the signal cable requires pressing the buckle to pull out the plug). Press the connector head and simultaneously pull out the Teflon tube.

2. Press the connector head and simultaneously pull out the Teflon tube.

3. Remove the sealing plug and set it aside.

Step 2: Disassembly of AC Socket Assembly

1.Use an H2.0 Allen key to unscrew the fixing screws of the AC assembly.

2. Press the plug buckle to pull out the wire harness.

Step 3: Separation of Inner Shell Assembly

1.Use an H2.0 Allen key to unscrew the fixing screws.

2. Open the transparent cover, use an H2.0 Allen key to unscrew the fixing screws, and set them aside.

3. Gently remove the inner shell assembly of the box, open the black buckle, and remove the flexible flat cable. Set the inner shell assembly aside.

Step 4: Disassembling the Feed/Return Module

1. Remove the motor wiring harness connector and the control board wiring harness connector.

2. Use an H2.0 Allen key to unscrew the screws securing the feed/return assembly. Remove the feed/return module.

Step 5: Disassembling the Feed Motor Assembly

Use a Phillips head screwdriver to unscrew the securing screws.

2. Installation Steps:

Step 1: Installing the Gearbox Assembly

1. Take out the new gearbox assembly and rotate the D-shaped shaft to align it with the motor gear hole before inserting it.

2. Tighten the fixing screws using a Phillips head screwdriver.

Step 2: Installing the Feed/Return Module

1. Place the feed/return module into the machine and tighten the fixing screws using an H2.0 Allen key.

2.  Insert the cables into the terminals of the motor and the odometer board.

Step 3: Installing the Inner Shell Components

1. Installing the Flexible Flat Cable (FFC)

① Lift the latch on the FFC connector on the main board. Insert the flexible flat cable with the blue side facing up and the gold fingers facing down, ensuring it is inserted completely. Once inserted, the printed lines on the cable should be level with the edge of the connector.

② Press down and flatten the latch on the FFC connector.

2. Thread the power cable through the bottom shell.

3. Snap the inner shell component into the bottom shell.

4. Tighten the fixing screws using an H2.0 Allen key.

5. Tighten the fixing screws using an H2.0 Allen key.

Step 4: Installing the Teflon Tubes

1. First, snap the four silicone plugs onto the Teflon tubes, then snap the silicone plugs into the bottom shell. After completion, the silicone plugs should be flush with the bottom surface of the bottom shell.

2. Snap the four Teflon tubes into their corresponding slots in the bottom shell, then insert the heads of the Teflon tubes into the buffer component.

3. Connect the wire harnesses to the corresponding positions as shown in the picture. Do not connect the wire harnesses incorrectly.

① Connect the yellow-green wire to the bottom middle terminal;

② Connect the blue wire to the bottom right terminal;

③ Connect the brown wire to the upper end of the short brown wire on the switch;

(Note: The wire harnesses must be connected as shown in the picture. Do not connect them incorrectly. After the wire harnesses are connected, gently pull on the wire harnesses to check if the terminals will come loose.)

4. Install the switch with the connected wire harnesses into the mounting hole in the bottom shell, and tighten the fixing screws using an H2.0 Allen key.

Step 5: Installing the Teflon Tubes, Signal Cable, and Power Cable

Insert the signal cable, insert the Teflon tubes into the buffer component, and insert the power cable.

3. Functional Testing

After all components are installed, it is necessary to check if they are functioning correctly. Power on the device, insert the consumable material through the input port, and observe whether the consumable material passes through the buffering component.