Fiber Power Supply

This guide covers replacing the fiber laser power supply (48V to 24V DC-DC converter) on the Fusion Galvo G100. The power supply is reached through the bottom of the engraver.

Parts Required

LC0437 – Power Supply, +48V to +24V DC-DC

Tools Required

T30 Torx Driver
Phillips Screwdriver

Safety First: Ensure the engraver is completely powered off and the power cord is disconnected before removing any panels or touching internal electronics. This procedure requires laying the engraver on its back, so have a second person available to help.

Fiber Power Supply Removal

Step 1

Turn Off Engraver

Turn the key switch to the off position to power down the engraver.

Step 2

Disconnect from Power

Unplug the power cord from the engraver.

Step 3

Tilt Engraver

Carefully tilt the engraver backward.

Note: The engraver is heavy. Use two people to tilt it and lower it onto its back.

Step 4

Lay Engraver on Its Back

Lower the engraver until it rests on its back, giving access to the bottom panel.

Step 5

Remove Bottom Panel Screws

Loosen and remove the screws around the bottom panel (highlighted in red).

Step 6

Remove Bottom Panel

Lift the bottom panel off the engraver and set it aside.

Step 7

Disconnect Harnesses

Follow the two harnesses from the power supply along the paths of the arrows and disconnect them.

Step 8

Remove PSU Screws

Loosen and remove the four screws securing the power supply (highlighted in red).

Step 9

Remove PSU

Remove the power supply from the engraver.

Fiber Power Supply Installation

Step 10

Install PSU

Place the new LC0437 power supply into position.

Step 11

Install PSU Screws

Install and tighten the four mounting screws (highlighted in red).

Step 12

Connect Harnesses

Route the two harnesses along the paths of the arrows and reconnect them.

Step 13

Install Bottom Panel

Set the bottom panel back on the engraver.

Step 14

Install Bottom Panel Screws

Install and tighten the screws around the bottom panel.

Step 15

Tilt Engraver Upright

With a second person, tilt the engraver back toward its upright position.

Step 16

Return Engraver Upright

Set the engraver down in its upright position.

Step 17

Connect to Power

Plug the power cord back into the engraver.

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