Question about RTO AST-533ET - ASTRO PNEUMATIC STRIPE REMOVER

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Frequent malfunction of grinder, due to inside mechanical worn out.

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Please do not take this as me being dis-respectful. If you order replacement parts, by the time you pay shipping and the cost of the the part it would be more than a new grinder. I am only trying to save you lots of money. See for yourself:

http://www.harborfreight.com/air-tools/grinders.html

Thanks for using FixYa.

Kelly

Posted on May 31, 2010

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Posted on Jan 02, 2017

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Miele CVA4066. When you press the coffee button, there is a pause i hear a relay click near the grinder, but it does actually move or start grinding anything, then hot water starts to come out.


Its a grinder problem but to fix this you need detailed technical knowledge and experience. It can be one of three things; 1. The Grinder has an inline protective sensor that sits on outside of grinder and can go open circuit. Test by bypassing but do not run unit without this. 2. The motor brushes can be worn out. Unfortunately Miele does not sell new brushes and so you have to replace grinder unless you can fabricate your own. The symptoms of this are a gradual change in grinder speed. 3. The grinder is burn out in which case you must replace unit.
So if this was a sudden fault then its 1 or 3. Regards

Mar 04, 2017 | Miele Coffee Makers & Espresso Machines

2 Answers

Door from grinder will not let coffee into brew unit


From the description I understand that the flap at the outlet from grinder is not easy to open and let coffee grounds out from the grind chamber.
Firstly this is a mechanical obstruction and not related to any electrical or electronic control.
This happens frequently in the Ceramic burr grinders due to the following reasons:
1- The beans used are dark roast oily. Such beans are not good for use i any fully automatic model. This should be stopped immediately.
2- The grind fineness may be set at fine powdery level. This is done because there is wrong assumption thata fine grind makes stronger espresso. That is not applicable in fully automatic machines. The extraction of espresso in fully automatic machine is with pre infusion (also called pre brew soaking) and uses a back pressure valve for 9 bar extraction pressure. For this reason
the coffee grounds should not be finer than table salt grain. If coffee fineness is set at powdery fine, then the setting should be changed to coarser setting.
3- Grinder may not have been cleaned for an extended period. If so clean the grinder. Use brush or scrape solid deposits in corners and crevices to clean.
Finally as a part of cleaning, use a rag wrapped on finger or screw driver to wipe the invisible oil deposits on the grinder parts between the burr and the outlet.
Check the flap in the coffee outlet is hinged correctly and moves freely front and back to make sure that it is not blocking outlet for ground coffee.

Jun 25, 2015 | Gaggia Titanium Espresso Machine

1 Answer

HOW DO I CHANGE THE GRINDING MECHANISM ON MY SPIDEM TREVI EXCLUSSIVE ESPRESSO MACHINE. I HEAR THE MACHINE GRINDING BUT IT'S REALLY NOT DOING ANYTHING. ANY SUGGESTIONS


When the grinder spins free and fast it only means that fresh beans are not feeding into the burrs. This happens when:
1- Grind setting is too fine and beans cannot enter the grinder mechanism.
2- Use of oily dark roast beans can clog the ground coffee chamber and preven the fresh beans entering the grinder.
3- The ground coffee chamber outlet is clogged due to oily beans or too fine coffee setting.

When you cleaned the grinder you may not have cleaned the coffee outlet to the doser on the left. You can clean the outlet to open the passage of coffee grounds to collect in the dosing device..
After cleaning the outlet, you should next make sure that coffee grounds are not packed in the doser. The doser is inside the door right above the brew group.
To access the doser:
1- Remove water tank.
2- Remove the brew group.
3- Lay the machine on its back for full view of the doser.
4- Pull the doser door open (it is like an Attic door.
5- Keep the doser door open and clean the inside with a brush. The outlet from the grinder is on the right side with a wire wiper cleaner that moves across the grinder outlet fills from the grinder. This opening.
Use a brush to clean the doser.
On the left of the doser space there is a plastic flap that is pushed to the left when coffee grounds fill the doser.
At certain distance push back (1/4") the notch on top of the flap pushes the doser micro switch pin to stop the grinder. Push the flap gently to the left to make sure that it is moving well. With each push back of the flap, one can hear the feeble click sound from the micro switch.
When the above cleaning is done, try the grinding.
If the conical burrs have not been replaced for over 2500 grinds, it is time to do so.

The above grinder and grinder doser cleaning instructions are available as download files on the following page link:

One can find many useful maintenance guides on one page.
Good luck.
http://www.partsguru.com/MaintenanceofEspressomachines.htm

Feb 10, 2015 | Spidem Coffee Makers & Espresso Machines

1 Answer

Krups gx6000 grinder advertises removable burr grinders and there are no instructions, but is that the best way to clean them?


Hi,
the Krups instruction manual is useless in this matter but if you do have some mechanical insight this is not very hard. You will need some tools, e.g. an Allen wrench to remove the housing lid.
Anyway, you should not have to clean the grinders very often, perhaps once a year is enough. It depends on the quality of the coffee beans you use; the more 'oily' beans the more frequent cleaning is required.
I would not use water to clean it, rather a small stiff brush (e.g. an old tooth brush), but if that is not enough, water will have to be used.
If so, be sure to assemble the grinder only after the burr is completely dry.
Check the link to Home Barista where a very similar grinder is shown, that should give you an idea about what to expect during the cleaning process.
Good luck;
Villi
Home Barista com

Jan 19, 2015 | Krups Gx600050 Conical Burr Grinder Black

2 Answers

EA6935 krups powdered coffee inside grinder and coffee grounds noncompact


You will need to pull the grinder apart & clean it out. Most likely cause of the grinder blocking up is a leak somewhere inside the machine dampening the grounds as they exit the grinder. They bind up, won't fall out and there is your blockage. You will need to find and fix the leak, there are many, many places for the leak to be, it's a job for a Krups Service Agent. I have outer housings with cutouts in them so I can run them and look inside at the same time to find those troublesome leaks.

Feb 28, 2014 | Krups Coffee Makers & Espresso Machines

1 Answer

My camera won't turn on even after I have put in an a fully charged battery. What could this problem be?


This problem is frequently due to corrosion on the battery contacts inside the camera. Remove the battery and rub the camera contacts firmly with a clean dry cloth or cotton swab. Heavy buildup may require cleaning with a fine wire brush or steel wool. After the cleaning, insert the batteries and see if the camera will power up.

If the camera powers on briefly, the lens zooms in and out, and then the camera powers down, your problem is likely due to lens damage or dust/dirt/lint in the zoom mechanism. A damaged lens will require professional repair, especially if the camera has recently been dropped. A clogged mechanism can frequently be cleaned and restored to working by blowing a stream of air (from canned air or a compressor) around the base of the lens where it meets the camera.

I hope these common remedies work for you.

Bill B

Aug 27, 2010 | Kodak EasyShare ZD710 Digital Camera

1 Answer

Worn gears


I would just buy a new one.
parts could cost almost as much.
don't forget the rest of the grinder is just as worn out too

Jun 24, 2010 | Bosch 1375A 412Inch Angle Grinder

1 Answer

Grinder is giving out sparks from back and giving burnt smell


Hi there,

Brushes. The brushes have worn down to the contacts or worse, to the springs.

The good news, brushes are inexpensive.

If you are mechanically inclined and comfortable dismantling power tools of medium to high complexity this is something you can do at home.

HOWEVER, if you have even the most minimal reservation, I would recommend bringing it to a shop so an experienced repair person can replace them. For example, if you need instructions on how to re-assemble planetary drive gears, bring it to a shop.

The procedure should be reasonably priced and quickly accomplished.

Best regards
Mike

Apr 07, 2010 | Makita 9565CV 5" Variable Speed Angle...

1 Answer

My Solis coffee grinder does not go a fine grind any more. We


Hi
Your grinder adjustment ring inside has its tabs broken. Contact Baratza at 877-701-2021 and they should be able to help get a new one.

Nov 15, 2009 | Solis Maestro Electric Burr Grinder

2 Answers

My fuel gauge stays on full all the time


Sounds like your float is stuck or needs replaced. This is located inside your gas tank. Must remove tank to replace!

Sep 15, 2009 | 1999 Ford F250 Regular Cab

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