Do-it-yourself brown k 700 food processor repair

In detail: do-it-yourself repair of the Brown K 700 food processor from a real master for the site my.housecope.com.

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When creating a new topic
Necessarily:
Describe the problem - the manifestation of the defect, what measurements were taken during localization
malfunctions, their results, as well as other actions aimed at finding and eliminating the defect.
https://my.housecope.com/wp-content/uploads/ext/2255/forum/viewtopic.php?t=251184
The more you give information about your device and your actions, the greater the likelihood of a positive solution to your problem.

... this further emphasizes that you
did not undertake anything on their own before creating the theme.

Banned
Image - Do-it-yourself repair of the Brown K 700 food processor


Posts: 790

Banned
Image - Do-it-yourself repair of the Brown K 700 food processor


Posts: 790

SMD diode RUR460, SMD N-Channel IGBTs HGTD7N60C3S

HGTD7N60C3S.rar 150.65 KB Downloaded: 1516 times

Today is Sunday, sketched a diagram for the suffering Image - Do-it-yourself repair of the Brown K 700 food processor


I warn you right away, the drawing program itself set the ratings, the resistors have the ratings corrected to those that are written on them, checked with a tester, there is nothing to measure the capacitors, only the power supply electrolyte is signed, the Zener diode is 15 V. Errors are possible in the circuit, but it is always easier to finish someone else's Image - Do-it-yourself repair of the Brown K 700 food processor

1.rar 58.04 KB Downloaded: 1544 times

Warnings: 1
Image - Do-it-yourself repair of the Brown K 700 food processor


Posts: 673

Image - Do-it-yourself repair of the Brown K 700 food processor


Braun Food Processor Repair Types

Most often, the specialists of our service center are faced with breakdowns, which could be divided into 3 main groups:

Simple renovation: replacing the cord, blades, attachments or cleaning the food processor;
Medium repair, in which you need to disassemble the combine completely to replace the gears, switch, containers, etc.
Difficult repair, implying the replacement of the motor, bearings, board, transformer.

Major breakdowns of Braun food processors

- Combines for the kitchen are of 2 types: with a drive belt and direct drive. In the first case, the motor and bowl are next to each other, connected by a strap and gears, but the blade is located on the side of the motor. If you are confident in your strengths and knowledge, then check, first of all, the drive belt

- If the food processor does not turn on, check the cord as well as the motor. The cause of the malfunction is also often found in the fuse. As for the belt, it is enough to tighten it again or replace it with a new one.

Video (click to play).

- It also happens that some speeds jam, although the remaining ones are functioning. In this case, use a multimeter to check the connection and the switch. There are frequent cases when the bowl begins to leak. The reason is damage to the insulation (sealing rubber).

If you are unable to fix the problem, you can always return the food processor for repair by finding the nearest address on the page “Contact Braun Service Centers in Moscow”.

Benefits of our service

- Our Braun service center is authorized, has the ability to supply original spare parts from the manufacturer;

- We have been working for over 20 years in the field of servicing household appliances. And believe me, we know our business very well;

- We employ only highly qualified specialists with solid work experience;

- 6 months warranty for the performed repairs;

- If you have any questions, you can always consult, take advice on any issue related to the repair of the food processor, its maintenance, the selection of spare parts and accessories;

Food Processor Care Tips

Image - Do-it-yourself repair of the Brown K 700 food processor


Follow these simple rules:

- Lubricate gears, blades and bearings with a special agent at least once a year. At the same time, the oil should never get on the electrical parts of the combine!

- It is recommended to replace drives and motors with new, original ones every few years of operation;

- It is better to entrust the repair of the drive shaft and motor to specialists in order to avoid major damage.

If you know what spare part you need, choose in the catalog and contact our manager using the feedback form or call: 8 (495) 687-1323.

Can you please tell me how to shoot parts 6, 7?

Now, cleave the coupling (6/7) with an appropriate tool (e.g. Screwdriver size 4 - 5.5 mm) in the center of the top and remove it from the shaft.
https://my.housecope.com/wp-content/uploads/ext/98/files/BRAUN_K_750.pdf

I tried to pry it with a screwdriver - it doesn't give in.

the belt fits somewhere like this

refueling the belt.jpg 100.89 KB Downloaded: 462 times

Well I wrote that I posted the Disassembly Service Manual in the FILES - Manuals - Household Appliances - Others section. ...

So someone fixed the control board? I still don't see any recommendations for board repair.

Board problem: the engine runs constantly at one speed and does not respond to the speed switch.

I checked the key (fed 12V to the comparator, simulated different modes, the key opens and closes), the transistor in the key control changed just in case (ВС848В), and two others too (ВС858В)
did not help.
I rang the SMD throttle near P26 (10kOhm) 10mkrN, changed it to a winding one, the revolutions fell but are not regulated.

I don’t understand where the problem is. lost in three pines.

Today, the food processor from Bosch and many other manufacturers has become almost indispensable devices in the kitchen. There are various modifications of these units that allow you to perform various tasks, and you will not make any special efforts. For some housewives, they have become very important, and any breakdown in the system becomes a serious problem. In this article, we will tell you about the device and how to repair food processors with your own hands.

Image - Do-it-yourself repair of the Brown K 700 food processor

The device consists of separate elements of the mechanism, the most basic elements are as follows:

  • Electrical engine;
  • receiver of processing products;
  • camera for processing ingredients;
  • sets of nozzles and knives;
  • the main control panel of the harvester;
  • electrical wiring connecting the main elements.

The body material for combines is usually made of plastic. However, all other parts, such as attachments, knives and other elements, are made of stainless steel, as it is durable, and it is on the inner parts of the device that the greatest load is placed.

Combines are divided into several types:

The last type of combines are those in which, for example, there is a combination of a meat grinder and a juicer. However, despite their different functional features, they all have the same operating principle.

After loading the products into the working chamber of the combine, they are brought to the desired state according to the given program. Processes can be changed by replacing nozzles with them and giving the device the necessary commands. The attachments are driven by an electric motor. It's easy enough to understand that your food processor needs urgent attention:

  • new sound effects that the device has not previously produced, for example - squeaks, knocks, rattles and others like them;
  • you feel that an unpleasant smell of burning wiring comes from the car;
  • cracks and chips have formed on the nozzles;
  • the unit starts to work at an uneven pace, or it works in the wrong mode according to a given program;
  • the device does not want to activate and start working.

As for the torque transmission part, in some combines, a belt transmission is used to transmit torque to the main working bodies. When the device starts to perform poorly, it is possible that it is time to replace the worn out belt. There is also a keyed transmission of torsional forces, in this case the key may wear out, which will also lead to the inoperability of the combine.

There are many options for malfunctions of combines, perhaps some of its internal elements may fail, if one part fails, the whole mechanism may break. Also, not rivers are cases when problems arise in the wiring of the unit itself, when a short circuit occurs.

Image - Do-it-yourself repair of the Brown K 700 food processor

Sooner or later, any owners will have to do it on their own repair your food processor. Before disassembling the food processor, make sure it is still under warranty after purchase.If there is one, then it is best to take the unit to a service center so that they provide the necessary service and return the combine to its working capacity.

But as happens in most cases, breakdowns occur after the end of the warranty period, here it is already worth trying to disassemble and make food processor repair Bosch, before you go and take it in for repair, where you will be charged a lot of money for repairs.

First of all, we disassemble the food processor, but remember well what was removed and unscrewed from where, since you will have to assemble the unit back. All actions boil down to the following:

  • turn off the device from the mains and dismantle all removable parts;
  • remove the combine itself and make sure the integrity of the belt and drive gears;
  • remove the above items, and take out the engine. Inspect it for integrity and performance;
  • Remove the protective cover from the gearbox and check the drive shaft for signs of defects.

In case you have a different model, you can easily find videos and detailed instructions on the Internet.

When you are going to buy a replacement for some part, be sure to take the original ones, since third-parties simply will not be able to calmly fit into the groove. You can purchase such items in special service centers, or order them via the Internet.

  1. It is best to process finely chopped foods, and avoid frozen vegetables, meats, and other items. It is also not recommended to crush solid ingredients;
  2. As soon as you feel an unpleasant smell coming from the combine, immediately turn it off in order to avoid a short circuit and prevent a breakdown;
  3. After you have finished the work, it is necessary to thoroughly rinse those elements of the combine that took part in the processing of products. Dry all parts thoroughly before reuse;
  4. In no case use attachments that have defects, this can harm the harvester itself;
  5. After the warranty period has expired, it is best to regularly (at least once or twice a year) carry out preventive maintenance on the combine. Disassemble it and lubricate the necessary parts of the mechanism, and also replace worn-out parts of the device in advance, if they are found during disassembly, in order to avoid malfunctions in the future.

We have told you the main ways to make repair of food processors, and how best to avoid unpleasant situations with a breakdown of this device. In case of difficulties, it is recommended to contact the craftsmen who will find the malfunction and make high-quality and correct repairs.

Food processor motor does not ring.
To access the latter, you need to detach the base,
on which the motor is mounted, from the body of the device. How to disconnect
rotating elements (which are the seats for the replaceable bits)?

Image - Do-it-yourself repair of the Brown K 700 food processor


Image - Do-it-yourself repair of the Brown K 700 food processor

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Tags: How to disassemble the Braun Combimax 700 food processor