RepRap Prusa i3 - Page 64

Prusa i3 – Build Manual
First slot a 9mm M4 washer onto the M4 bolt and poke through the idler (Fig B2) :
Fig B2:
Next Slot a 14mm M4 washer onto the bolt on the inner side of the idler (Fig B3) :
Fig B3:
Version: 1.3 Page: 64