Ultimaker Original, Руководство по сборке, Страница: 77 / 109

Step 2: drive bolt assembly Assembling the material feeder
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To make the drive bolt assembly, perform the following actions.
(for action 1-8 see image 101 and image 102)
1. Place the delrin clip on the groove of the hobbed bolt.
2. Move the hobbed bolt through the ball bearings 8mm.
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Notice: check if the ‘good’ gripping part of the drive bolt is
positioned straight between the two wooden parts. If not, consider
to attach the wooden parts of the drive mechanism main body a little
more tight.
3. Place the hex nut M8 inside the wooden gear.
4. Place two washers M8 over the hobbed bolt.
5. Attach the wooden gear on the hobbed bolt
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Notice: Do not attach too tight. Check if the gear can rotate freely in
the ball bearings 8mm.
6. Place a washer over the hobbed bolt, on top of the wooden gear.
7. Place the cap nut M8 loosely on the hobbed bolt.
8. Now carefully tighten the cap nut M8 and the wooden gear. Be sure
the hobbed bolt is able to rotate in the ball bearings 8mm.
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Notice: do not force!
9. Check if the motor with the small black gear makes contact with the
wooden gear. Adjust if necessary.
5
Notice: make sure the small black gear and wooden gear are not
under pressure.
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Notice: you can use the small hole in the wooden gear to adjust the
motor if it is not alligned correctly
image 101: assembling the drive bolt assembly (1)