Microswitches Inspection and Tightening

Model [X] AON-M2 [X] AON-M2 2020
Category [X] Preventive [ ] Corrective [ ] Troubleshooting

Summary

This procedure gives the instructions on how to look for possible problems with the microswitches. It also gives the instructions on where to tighten the microswitches. Microswitches in good condition prevent:

  • Unwanted contact between the moving parts.
  • Unaccurate reference points.
  • Layers that are not equal.

Tools

Qty Description Specification
1 Wrench 1/4"
1 Screwdriver Phillips Head
1 Hex Key 5/64"
1 Hex Key 1.5 mm

Personal Protective Equipment

Qty Description Specification
1 Safety Glasses N/A

Prepare the Machine

  1. Home XYZ.
  2. Lower the Z-axis by 200 mm.
  3. Move the Y-axis by 200 mm.
  4. Push the E-stop button.
  5. Wait until the build chamber, build plate and hot ends are at room temperature.

Microswitches Inspection

  1. On T1, make sure there is no damage on the X-axis microswitch (1). Right Tool Head MS
  2. Make sure that the microswitch (1) fasteners are tight.
  3. If the microswitch is not tight, tighten the fasteners by hand until the microswitch is tight.
  4. Do steps 1, 2, and 3 again with these components:
    1. T1 probe microswitch (2).
    2. Y-axis microswitch (3) of the right-side motion rail.
    3. Right-side Z-axis microswitch (4) of the base plate. Z-axis MS#1
  5. On T0, make sure there is no damage on the X-axis microswitch (5). Left Tool Head MS
  6. Make sure that the microswitch fasteners are tight.
  7. If the microswitch is not tight, tighten the fasteners by hand until the microswitch is tight.
  8. Do steps 5, 6, and 7 with these components:
    1. T0 probe microswitch (6).
    2. Y-axis microswitch (7) of the left-side motion rail.
    3. Left-side Z-axis microswitch (8) of the base plate. Z-axis MS#2

Test and Return to Service

  1. Release the E-stop button.
  2. Home XYZ.

Last modified: March 12, 2021