beamo ll - 28-Pin Cable Replacement Guide (Mainboard to X-axis Board)

Tools

Step 1

Turn off the machine and remove the power cord.

Step 2

Remove the front metal cover.

Step 3

Remove the back metal cover.

Step 4

Remove the screws holder of the first mirror.

Step 5-1  - Remove the laser tube

Step 5-2

Remove the laser tube's holders.

Step 5-3

Disconnect the grounding cable of the laser tube.

Step 5-4

Place the rags underneath the laser tube on both sides.

Step 5-5

Remove the water hose clamp from the high-pressure side.
Make sure the water hose plug is ready so it can be inserted immediately after the hose is detached.

Step 5-6

Remove the water hose clamp from the low-pressure side.
Make sure the water hose plug is ready so it can be inserted immediately after the hose is detached.

Step 5-7

Prepare a bucket in advance to drain the water from the laser tube.
The laser tube can then be removed, and the water will be drained.

Step 6-1 - Remove the Laser Power Supply (Laser PSU)

Unplug the cables on the laser PSU.

Step 6-2

Remove the four screws on the laser power supply.

Step 6-3

Remove the laser PSU and place it away from the machine.

Step 7

Unplug the cable from the mainboard.
(If your setup differs from the video, please refer to this diagram.)

Step 8

Remove the laser tube bottom seats.

Step 9-1 - Remove the X-axis board

Remove the screws of the X-axis board.

Step 9-2

Unplug the 28-Pin cable and the camera cable.
(Please note that there are two cables to be unplugged. They might be unplugged at the same time if you apply too much force, but that will be acceptable.)

Step 9-3

Place the X-axis board aside temporarily.

Step 10-1 - Remove the cable wrapper

Snip off the cable ties on the second mirror

Step 10-2

Remove the cable wrapper.

Step 11

Step 12

Step 13

Place and arrange the new cable along with the other cables.

Step 14

Rewrap the cable wrapper.

Step 15

Plug the 28-Pin & camera cable to the X-axis board.

Step 16

Screw the X-axis board into place.
*Make sure you use the same screws as in the video. The screws for the metal front/back covers differ from those for the X-axis board and the 1st mirror holder.

Step 17

Plug the cable into the mainboard.
(If your setup differs from the video, please refer to this diagram.)

Step 18

Reinstall the laser tube bottom seat.
(Make sure the cables go underneath the seat openings.)

Make sure the grounding wire is connected to the terminal.

Step 19-1 - Install the laser tube

Place the laser tube on the machine and connect the grounding cable to the terminal.
(The grounding cable has to be on the same side as the other one.)

Step 19-2

From the high-pressure side, remove the hose plug and connect the water hose to the laser tube.

Step 19-3

From the low-pressure side, remove the hose plug and connect the water hose to the laser tube.

Step 19-4

Fix the laser tube in place. Please note these two points:

1. The distance between the laser tube's nozzle and the first mirror seat will be around 1.5cm (one finger).
2. There are two short water hoses on both sides of the laser tube; they have to be horizontal.

Step 20

Reinstall the first mirror screws holder.

Step 21-1 - Install the Laser Power Supply

Connect the new PSU's cable to the laser tube and mount the water pump back to its position.

Step 21-2

• There is a voltage switch for 115V or 230V. Please switch to the correct voltage that suits your environment. (For example, the US is using 110V, so 115V will be switched to. The UK is using 230V, so 230V will be switched to.)

• Place the laser PSU in its position.

Step 21-3

Fix the PSU with the four screws.

Step 21-4

Plug the cables into the laser PSU.

Step 21-5

Plug the Type-C cable into the mainboard. Make sure the white dot on the cable is facing downward.

Step 22

Reinstall the front metal cover. Ensure the Type-C cable's white dot is facing up, as in the video.

Step 23

Add water to the system.
[4-8 Filling Cooling Water]

Step 24

After adding the water, please align the optical path.
[4-10 Optical Path Adjustment]

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