5. Belt Tensioner Assembly

Introduction

Make sure you pay attention to the parts. When assembling the Left Tensioner make sure to only use parts with L or Left marking. When assembling the Right Tensioner make sure to only use parts with R or Right marking.

Printed parts needed:

None

What you need

Step 1 Left Tensioner Assembly

5. Belt Tensioner Assembly, Left Tensioner Assembly: step 1, image 1 of 3

5. Belt Tensioner Assembly, Left Tensioner Assembly: step 1, image 2 of 3

5. Belt Tensioner Assembly, Left Tensioner Assembly: step 1, image 3 of 3

Insert the Left Tensioner slide into the Left Bottom Tensioner mount.
Insert M4 hex head screw through the Left Tensioner slide.
Make the bearing assembly with 3x M3 washers and 2x F623ZZ bearings.

Edit

Step 2 Left Tensioner Assembly

5. Belt Tensioner Assembly, Left Tensioner Assembly: step 2, image 1 of 3

5. Belt Tensioner Assembly, Left Tensioner Assembly: step 2, image 2 of 3

5. Belt Tensioner Assembly, Left Tensioner Assembly: step 2, image 3 of 3

Insert a M3x18 button head screw to secure the bearing assembly to the tensioner slide.
Thread the tensioner knob on to the M4 hex head screw
Thread the Left Tensioner Top Plate to the bottom assembly with 2x M3x18 button head screws. Do not tighten completely

Edit

Step 3 Left Tensioner Assembly

5. Belt Tensioner Assembly, Left Tensioner Assembly: step 3, image 1 of 3

5. Belt Tensioner Assembly, Left Tensioner Assembly: step 3, image 2 of 3

5. Belt Tensioner Assembly, Left Tensioner Assembly: step 3, image 3 of 3

Mount the assembly to the left top of the frame using 2x M5x8 button head screws, 2x M5 T-Nuts and 2x M6x10 button head screws. Once the plate is straight tighten the screws
Tighten the M3x18 button head screws
Secure the bottom of the tensioner to the underside of the 2040 with a M5x8 button head screw and M5 T-Nut

Edit

Step 4 Right Tensioner Assembly

5. Belt Tensioner Assembly, Right Tensioner Assembly: step 4, image 1 of 3

5. Belt Tensioner Assembly, Right Tensioner Assembly: step 4, image 2 of 3

5. Belt Tensioner Assembly, Right Tensioner Assembly: step 4, image 3 of 3

Insert the Right Tensioner slide into the Right Bottom Tensioner mount.
Insert M4 hex head screw through the Right Tensioner slide.
Make the bearing assembly with 3x M3 washers and 2x F623ZZ bearings.
Insert a M3x18 button head screw to secure the bearing assembly to the tensioner slide.

Edit

Step 5 Right Tensioner Assembly

5. Belt Tensioner Assembly, Right Tensioner Assembly: step 5, image 1 of 3

5. Belt Tensioner Assembly, Right Tensioner Assembly: step 5, image 2 of 3

5. Belt Tensioner Assembly, Right Tensioner Assembly: step 5, image 3 of 3

Thread the tensioner knob on to the M4 hex head screw
Thread the Right Tensioner Top Plate to the bottom assembly with 2x M3x18 button head screws. Do not tighten completely
Mount the assembly to the right top of the frame using 2x M5x8 button head screws, 2x M5 T-Nuts and 2x M6x10 button head screws. Once the plate is straight tighten the screws.
Tighten the M3x18 button head screws

Edit

Conclusion

I wasn’t paid to write these guides. Ben asked me to do it as a favor to him. Considering all that he’s done for our community I felt it was the least I could do. To be honest even though it took about 2 months to build and document, I had a lot of fun doing it. It forced me to write guides in a manner that was easy for everyone to understand and cleanup my Github so I could share any files that were used that aren’t part of the original download. You’re not obligated but if you would like, feel free to donate.

7 other people completed this guide.