I3 power switch and end stops assembly

Assembly instructions

1. Bill of materials
2. The main panel frame assembly
3. Y-axis assembly
4. X-axis assembly
5. Z-axis assembly
6. Connecting X-axiz and Z-axiz
7. Power and LCD assembly
8. Extruder assembly
9. Heated bed assembly
10. power switch and end stops assembly
11. Control Board assembly and wiring
12. 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.

Step 2

Welding endstop switch and the power switch.

Step 3

Insert heat shrink tube and weld.

Step 4

Heat up the heat shrink tube

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.

Step 2

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

Step 3

Insert Twisted Pair cable and connect power supply.

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

Step 1

Insert 2 pcs M3*16 scew and tighten.

Step 2

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

X-axis endstop switch

Step 1

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

Step 2

M3*20scew tighten.

Z-axis endstop switch

Step 1

Limit shrapnel can be removed.