5. E-axis assembly
Original Prusa i3 MK3S+ kit assembly 71
STEP 34 Pretensioning the Extruder-idler
Use the M3x40 screw with the spring to introduce tension to the Extruder-idler.
Hold the Extruder-idler on the other side, until the screw reaches the nut.
Since there is only one screw, you need to introduce a large force. The head of the
screw, should be aligned or slightly below the surface.
STEP 35 Print-fan-support parts preparation