Prusa i3 – Build Manual
2.3 Z-Axis Motors & End-stop
Mount the two motors with wires facing the back, the right side motor needs a 45cm extension and the left side
motor no extension (just the dupont 4 pin connector) .. see appendix A Motor Wiring. While mounting the left
side motor include the end-stop mount using the M3 bolts & washers (Fig 2.3a). Be careful mounting motors
you really don't want to strip any of the motor threads! The M3 bolts should screw in smoothly and tighten after
about 4-5 mm .. that's not a huge amount of thread but you can tighten them firmly (but carefully). Right side
motor mount with 3 x M3 bolts & washers (Fig 2.3b).
Fig 2.3a:
Fig 2.3b:
Version: 1.3 Page: 13
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