EZR Struder

This animation highlight the assembly / installation of the EZR Struder.

Your EZR Struder will come nearly fully assembled from SeeMeCNC.

Attach the EZR Struder assembly to your NEMA 17 stepper motor using the provided M3x10mm screws

Install and securely fasten the Direct Drive Roller (Hobbed Gear) on to the stepper motor shaft. The set screw should be aligned and tightened onto the flat of the stepper motor shaft. (for those previously using the EZStruder, you will need to flip your Direct Drive Roller (Hobbed Gear) 180 degrees.

Attach the EZRStruder to your machine (the mounting holes pattern is the same as the EZStruder).

Locate the EZR Struder pack from your kit or order.

If you are assembling a printer kit, you will also need to locate the bank of stepper motor packaged in bubble wrap.

If you are upgrading your extruder on a machine you will need to remove the old extruder from the stepper motor.

The main bodies of the EZR Struder have been zip tied together so they stay together during shipping. You will need to cut that zip tie and remove it.

Keep the EZR Struder assembled

The orientation of the EZR Struder with the stepper motor is different for different machines.

The image with the red arrows shows the correct oriantaiton when installing the EZR Struder on the H2.

The image with the blue arrows shows the correct oriantaiton when installing the EZR Struder on the Rostock Max v3.

You will be attaching the EZR Struder to the stepper motor using (4) M3 x 10mm screws in the locations indictaed by blue arrows.

Fully tighten the screws

Locate the Hobbed Drive Roller and the included Allen Wrench.

Slide the hobbed drive roller onto the stepper motor shaft. Note the orientation of the hobbed drive roller shown in the second image.

Press the red release lever and slide the hobbed drive roller down into the EZR Struder assembly until the midpoint of the hobbed portion is aligned with the split between the base and cover pieces (indicated by a green arrow)

Rotate the stepper motor shaft so the flat is in the orientation indicated by the blue arrow.

Align the hobbed drive roller so that the set screw will be set against the flat in the stepper motor shaft.

Tighten the set screw fully using the supplied allen wrench.

Install the stepper motor handwheel by aligning the flat of the molded handwheel with the flat of the stepper motor shaft and pressing down until it bottoms out.

The stepper motor handwheel is used for manually advancing / retracting filament.

If you are upgrading to the EZR Struder you will now Install the (2) 6-32 x 1" and Nylon lock-nuts.

If this is going to be installed in a new build install the (2) 6-32 x 1" machine screws and lock-nuts in the remaining 2 holes in the EZR Struder plates and hand tighten only

HAND-TIGHTEN ONLY. These are being placed here for safekeeping only.