Changes to Step #25
Edit by Makertech 3D —
Edit approved by Makertech 3D
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[title] Stepper Drivers | |
- | [* 3] Prepare two of the A4988 Stepper Drivers by removing them from their packaging and sticking the |
+ | [* 3] Prepare two of the A4988 Stepper Drivers by removing them from their packaging and sticking the heatsink to the black chip. |
[* 9] Make sure that the heatsink is not touching any of the pins. Orient the fins of the heatsink as shown. | |
[* 11] The kit also includes one spare A4988 Stepper Driver. | |
[* 6] ***Z-Axis Stepper:*** Adjust the trimpot so that flat side is pointing towards the bottom left corner as shown in the second photo. | |
[* 5] ***E-Axis Stepper:*** Adjust the trimpot so that flat side is pointing left as shown in the second photo. | |
[* 10] Fix the two Stepper Drivers onto the the control board as shown in the Z and E0 positions. | |
[* 9] Make sure that the screw trimpot side of the stepper drivers is pointing towards the touch screen. Installing a stepper driver the wrong way round will destroy it. |