Power switch and end stops assembly

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Bill of materials | The main panel frame assembly | Y-axis assembly | X-axis assembly | Z-axis assembly

Connecting X-axiz and Z-axiz | Power and LCD assembly | Extruder assembly | Heating bed assembly

power switch and end stops assembly | Control Board assembly and wiring | Circuit Diagram


Y Axis

Need parts:

  • 1×endstop switch
  • 1×endstop switch plastic parts
  • 2×M3*16 screw
  • 1×M3*20 screw
  • 3×M3 lock nut
  • 4×M3 flat gasket

Repair Parts

Step 1

Repair the endstop switch with 3.2mm drill.

Prusa i3 power supply assembly.jpg

Step 2

Welding endstop switch and the power switch.

Power switch and endstop switch assembly1.jpg

Step 3

Insert heat shrink tube and weld.

Power switch and endstop switch assembly2.jpg

Step 4

Heat up the heat shrink tube

Power switch and endstop switch assembly3.jpg

Power supply switch assembly

Step 1

First put the power supply cable into the acrylic sheet bottom and take out from Y axis acrylic square hole, and then weld.

Power switch and endstop switch assembly4.jpg

Step 2

Power supply plug weld “o” end, Twisted Pair cable weld “-” end, positive is on one side, negetive Is on other side.

Power switch and endstop switch assembly5.jpg

Step 3

Insert Twisted Pair cable and connect power supply.

Power switch and endstop switch assembly6.jpg
Power switch and endstop switch assembly7.jpg

Endstop switch assembly

Y-axis endstop switch

Need parts:

  • 1×Y-axis endstop switch
  • 1×Plastic parts
  • 2×M3*16 screw
  • 1×M3*20scew
  • 3×M3 lock nut
  • 4×M3 flat gasket

Power switch and endstop switch assembly8.jpg

Step 1

Insert 2 pcs M3*16 scew and tighten.

Power switch and endstop switch assembly9.jpg

Step 2

The end of Y axis back motor M8 rod insert M3*20 scew and then tighten.

Power switch and endstop switch assembly10.jpg

X-axis endstop switch

Step 1

If them can not close together, please repair with knife.

Power switch and endstop switch assembly12.jpg
Power switch and endstop switch assembly13.jpg

Step 2

M3*20scew tighten.

Power switch and endstop switch assembly14.jpg

Z-axis endstop switch

Step 1

Limit shrapnel can be removed.

Power switch and endstop switch assembly15.jpg