1Zpresso JX-Pro Burr Alignment

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A while back I had discovered that the burrs on my 1Zpresso JX-Pro were not aligned properly. This was my fault 😅. When I first got the grinder, I had mistakenly adjusted the screws that hold the ring burr in alignment, thinking it was how you remove the burr.
This eventually led me on a journey to realign the burrs myself. It was a tedious process, but I was able to get my JX-Pro performing properly again (maybe even better). In this video I explain further and give you a taste of what the process is like.
Please note that I'm not recommending anyone try this themselves unless they're ok with voiding their warranty or have no other option. You're always better off reaching out to 1Zpresso or your local distributor for help first if you suspect there's a problem with your grinder.

Опубликовано:

9 сен 2024

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Комментарии : 22

@MagicLover822 Год назад

Yeah so this actually changed my grinder a lot. I got a k-max, before this my burrs were touching at 1.3 ( like 286 microns from burr lock, so for your grinder like 32,5). Now they are barely touching at 6 clicks and the burr can spin completly (360 degrees) for like 3 clicks before complete jammed forced burr lock. The difference in taste is gigantic. Thank you, you got me a new grinder! :))

@davidmaurice1294 11 месяцев назад

Wow, that's pretty insane alignment! The closest I got was 8 clicks. I tried to get it lower and made it worse 😂. Got it to ~12 and haven't dared messed with it since 😅.

@kmo9790 2 года назад

Good news! This channel is RU-vid's JX-Pro totem of power.

@PA30000 Год назад

You could use little single wraps of tinfoil (just enough to wrap once each time so no overlapping kinks) to wrap the outer burr till it fits perfectly in the holder. Then check the alignment. That way you can see if the actual thredding is off. very unique style to your video that's professional, calm and composed :)

@davidmaurice1294 Год назад

Hey, thanks for the input. Your idea sounds interesting. Might have to give it a try.

@isaiahhiggins Год назад

Thank you! I didn't even know those adjustment screws existed

@davidmaurice1294 Год назад

Yeah, you're welcome. But as I mentioned, just be careful if you decide to mess with it. 1Zpresso does not recommend people do this 😅.

@LJ-wo1wf 9 месяцев назад

Jumping in late -- how about loosening all four set screws maybe a quarter-turn, tightening the cone burr (nudging the ring burr into alignment), then re-tightening the set screws? My Q2's burr is mounted the same way and is still well-aligned, but that's how I'd try realigning it if needed.

@davidmaurice1294 8 месяцев назад

That seems worth a try, I'll check it out!

@SarntAKluss 8 месяцев назад

I am curious - do you guys already have some results with this method??

@Mushuro Год назад

Thank you very much for this detail video!

@timmarshall4881 2 года назад

Appreciate this. Love and peace. Tim

@monodera78 2 года назад

Very nice explanation!

@AnkushNarula Год назад

Thanks for all the helpful content! Which grind settings do you prefer for a med/dark roast for use with your Flair Pro 2?

@sychan168 Год назад

Thanks for posting this video. I've done alignment on my 50mm flat burr electric grinders, where you use a dry erase marker to determine where to adjust the burr. How are you determining which of the 4 alignment set screws to adjust? Just by sound and hearing where it is rubbing?

@davidmaurice1294 Год назад

Yeah, basically. It's very easy to listen and feel for when the burrs are touching, sometimes even where in general. But the adjustment process is very tedious, and any slight overcorrection can mean 10-20 minutes of tweaking.

@serjherman Год назад

Great stuff. May I ask what is that fine o-ring contraption that you put under the adjustment ring at 4:15? Did you make it yourself and does it allow for finer adjustments?

@davidmaurice1294 Год назад

I made it myself, cutting it out from a 1 gallon plastic water jug. And yes, it turns the JX-Pro into a stepless grinder. I will say though that the steps are already fine enough that most people might not find much benefit in going stepless.

@serjherman Год назад

@@davidmaurice1294 Ha, that's awesome! Just came across your video explaining this cool little tweak. Thank you for sharing it all and replying.

@FraDex95 2 года назад

Have you ever used the JX-Pro with 9Barista? Which setting?

@davidmaurice1294 2 года назад

I mostly use an electric grinder for espresso (64mm flat) but do break out the JX-Pro on occasion. It's very capable and actually quite fast. It generally takes me around 30-40 seconds to grind an 18g dose. As for settings, The Coffee Chronicler has a nice collection of starting points for different grinders: coffeechronicler.com/grind-size-chart/ For espresso, it's logged as 1.7-2 rotations with the JX-Pro. This is for the version with the grey dot (red dot is different).