Changes to Step #25

Edit by Makertech 3D —

Edit approved by Makertech 3D

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[title] Stepper Drivers
-[* 5] Prepare two of the A4988 Stepper Drivers by removing them from their packaging and sticking the Heatsink to the black chip.
- [* 10] Make sure the heatsink is not touching any of the pins.
- [* 10] Orient the fins of the heatsink as shown.
- [* 10] The kit also includes a spare A4988 Stepper driver.
-[* 2] Adjust the trimpot so that flat side is pointing towards the bottom left corner as shown in the second photo.
-[* 7] Fix the two Stepper Drivers onto the the control board as shown in the Z and E0 positions.
- [* 11] Make sure that the screw trimpot is pointing towards the touch screen.
- [* 9] Installing a stepper driver the wrong way round will destroy it.
+[* 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.