Replacing the XY axis timing belt requires power off.
S2.0 Allen Key
S2.5 Allen Key
Kobra S1 shell disassembly guide:Kobra S1 Case removal and installation guide
1. Remove the front shell of the print head and remove the fan plug.
2. Use the S2.0 Allen Key to unscrew the fixing screws of the rear shell of the print head.
3. Remove the blue buckle, press the black press head and remove the feed tube upward.
1. Remove the wire harness of the material break detection board, the wire harness plug of the cutter detection board, the wire harness plug of the print head, and the wire harness plug of the hot end of the print head.
2. Remove the wire harness stuck in the extruder from the buckle.
3. Pull the buckle that fixes the quick-release hot end upward, unplug the quick-release hot end connection, and then remove the quick-release hot end.
4. Use an S2.5 Allen Key to unscrew the drag chain fixing screws.
5. Use an S2.0 Allen Key to unscrew the extruder module fixing screws and remove the extruder module.
1. Use an S2.0 Allen Key to unscrew the screws that fix the top frame and the fixing plates on both sides.
2. Pull the XY limit switch harness upward.
3. Use an S2.0 Allen Key to unscrew the camera housing fixing screws.
4. Remove the camera harness.
5. Pop open the hub buckle and remove the harness.
1. Use an S2.0 Allen Key to unscrew the XY axis assembly fixing screws.
2. Use an S2.0 Allen Key to unscrew the XY axis assembly fixing screws
3. Take out the XY axis assembly upwards.
1. Loosen the XY axis tensioners on the left and right sides, and use an S2.5 Allen Key to loosen the tensioner screws.
2. Use a 2.0 Allen Key to unscrew the synchronous belt pressure block fixing screws.
Synchronous belt direction Installation diagram Synchronous belt
2. Press the belt into the synchronous belt pressure block, put the pressed synchronous belt pressure block into the X axis assembly, and use a 2.0 Allen Key to unscrew the synchronous belt pressure block fixing screws.
1. After the synchronous belt is inserted, put the four fixing seats of the XY assembly flush into the machine frame, and check whether the synchronous belt is in place.
2. Use an S2.0 Allen Key to tighten the countersunk Allen screws of the XY axis assembly.
3. Use an S2.0 Allen Key to tighten the countersunk Allen screws of the XY axis assembly.
1. Install the XY limit switch wires and clip other harnesses into the hub.
2. Use an S2.0 Allen Key to tighten the countersunk Allen screws that fix the top frame and the two side fixing plates.
3. Insert the camera harness into the camera module terminal.
4. Use an S2.0 Allen Key to tighten the screws that fix the camera housing.
5. Tighten the belt tensioner and pull the tensioner outward.
Tip: Slide the X-axis module back and forth twice, move the X-axis to the front of the fixed seat, and check whether the Y-axis slider is close to the fixed seat, as shown in the figure. If it is close to the fixed seat, it is OK, and if there is a large gap between the two, it is NG.
1. Install the extruder module on the X-axis assembly and tighten the extruder module fixing screws with an S2.0 Allen wrench.
2. Insert other harnesses into the slots.
3. Install the material break detection board harness, cutter detection board harness plug, print head harness plug, and print head hot end harness plug.
4. Place the quick-release hot end into the heat sink, and pull the buckle down to tighten the hot end.
Check whether the print head is in place.
5. Use an S2.5 Allen Key to unscrew the drag chain fixing screws.
For installing the shell, please refer to:Kobra S1 Case removal and installation guide
Re-automatically level and resonate to compensate for printing.