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Printrbot Talk Forum • View topic - Nozzle Clogged All The Way Up - Printrbot Simple Metal

Nozzle Clogged All The Way Up - Printrbot Simple Metal

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Nozzle Clogged All The Way Up - Printrbot Simple Metal

Postby ReidC » 2014-May-Wed-13-May

Hi!

I have a new Printrbot Metal, and I'm enjoying it.
However, the nozzle appears to be clogged up.
See the picture below.
How do I get filament residue out of the top?
I have already heated to temp and had some residue come out.

Thx!
Reid

Photo on 5-7-14 at 1.32 PM.jpg
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Nozzle Clogged All The Way Up - Printrbot Simple Metal

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Re: Nozzle Clogged All The Way Up - Printrbot Simple Metal

Postby spitfirehauser » 2014-May-Wed-14-May

With it down that deep there is no way to pull it out so you will have to push it out thought the hot end. Heat up the unit to 220-230 and use the back of a drill bit that is the same size or slightly smaller then 1.75mm. you will have to apply slow steady pressure to push it out.
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Re: Nozzle Clogged All The Way Up - Printrbot Simple Metal

Postby ReidC » 2014-May-Wed-15-May

I was afraid that was the answer. Thx for the post!!
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Re: Nozzle Clogged All The Way Up - Printrbot Simple Metal

Postby ReidC » 2014-May-Wed-21-May

To close the loop: it might be a terrible idea, but I used the drill bit suggestions -- with a drill to drill out the plastic.
Easy peasy.
Printing like a charm.
Thanks for the inspiration!
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Re: Nozzle Clogged All The Way Up - Printrbot Simple Metal

Postby Jdublu » 2014-May-Thu-08-May

I had some thin brazing rod that fit (.125in.). Left hot end in the Simple, removed the nozzle, cranked the Z axis all the way to the top. Take the tension roller off the extruder(single allen head bolt). Heated the extruder up to 215 and pushed the rod up from the bottom. Brazing rod is a wonderful conductor of heat. WEAR GLOVES. The plastic popped right out. WEAR GLOVES, did I say that?

Reassemble the tension roller. Insert filament and manually extrude a few mm. If it looks good, re-attach the nozzle and manually extrude some more.
Should be good to go. Don't forget to WEAR GLOVES.

Typing with two fingers until the burns heal. ;)
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Re: Nozzle Clogged All The Way Up - Printrbot Simple Metal

Postby ReidC » 2014-May-Fri-00-May

Ouch! Gloves sounds like a pretty great idea!
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Re: Nozzle Clogged All The Way Up - Printrbot Simple Metal

Postby ChristopherB » 2014-May-Sat-16-May

How do you take the hot end off the printer to clean it?

EDIT: Belay that. Figured it out.
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