This guide covers replacing the z-axis belt on the Fusion Galvo G100. The belt is reached through the bottom of the engraver by removing the z-axis motor.
Parts Required
- GC0031 – Belt, 3mm, Z-Axis, G100
Tools Required
- T30 and T20 Torx Drivers
- 9/64″ Allen Wrench
Safety First: Ensure the engraver is completely powered off and the power cord is disconnected before removing any panels. This procedure requires laying the engraver on its back, so have a second person available to help.
Z-Axis Belt Removal
Turn Off Engraver
Turn the key switch to the off position to power down the engraver.
Disconnect from Power
Unplug the power cord from the engraver.
Tilt Engraver
Carefully tilt the engraver backward.
Note: The engraver is heavy. Use two people to tilt it and lower it onto its back.
Lay Engraver on Its Back
Lower the engraver until it rests on its back, giving access to the bottom panel.
Remove Bottom Panel Screws
Loosen and remove the screws around the bottom panel (highlighted in red).
Remove Bottom Panel
Lift the bottom panel off the engraver and set it aside.
Remove Cover Screws
Loosen and remove the seven screws securing the cover over the motor (highlighted in red).
Remove Cover
Remove the cover.
Mark Motor Height
Mark the current height of the motor on both sides of its bracket (shown in red). You will line the new motor up with these marks.
Loosen Tension Screw
Loosen the tension screw highlighted in red, but do not remove it.
Disconnect Motor Harness
Follow the motor harness along the path of the arrow and disconnect it.
Remove Motor Screws
Loosen and remove the four motor screws (highlighted in red).
Remove Motor
Remove the motor from the engraver.
Remove Belt
Remove the old z-axis belt.
Z-Axis Belt Installation
Install Belt
Install the new GC0031 z-axis belt.
Install Motor
Place the motor back into position.
Install Motor Screws
Install the four motor screws (highlighted in red) and tighten them only slightly.
Check Belt Routing
Make sure the belt is routed correctly around the pulleys, as shown.
Connect Motor Harness
Route the harness along the path of the arrow and reconnect it.
Tighten Tension Screw
Tighten the tension screw highlighted in red.
Match the Height Marks
Continue tightening until the motor lines up with the marks you made in Step 9, then tighten the four motor screws.
Install Cover
Reinstall the cover over the motor.
Install Cover Screws
Install and tighten the seven cover screws.
Install Bottom Panel
Set the bottom panel back on the engraver.
Install Bottom Panel Screws
Install and tighten the screws around the bottom panel.
Tilt Engraver Upright
With a second person, tilt the engraver back toward its upright position.
Return Engraver Upright
Set the engraver down in its upright position.
Connect to Power
Plug the power cord back into the engraver.
