Dyson Dc52 Hepa Filter Cleaning Repair Guide

Difficulty

Moderate

Steps

Time Required

                          1 hour

Sections

Disassembling
10 steps
HEPA Filter cleaning
3 steps

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Introduction

This made this high-priced vacuum cleaner very cheap in operation.

After the years of use and too much dust (e.g. when used after drilling or sanding) the suction power can decrease.

Repair costs amount to as much as 100 - 200 EUR for disassembling the device and replacing the post-engine filter.

I have already described the disassembly of the device in another guide. You can of course order a post-engine filter (part number 922444-02). It costs approx. 60 EUR.

Here I show you an EXPERIMENT in which I try to rejuvenate a post-engine filter by simply washing it. Of course, this is not provided for by the manufacturer, so there is no guarantee of full performance. But you can still buy a new filter.

Step 1

              Remove the chassis

Turn the unit over and remove the 4 Torx T15, 18mm pan head screws.

Turn the unit over and remove the 4 Torx T15, 18mm pan head screws.

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Step 2

              Remove the wheels

Remove the T15 21mm countersunk head screw and pull the wheel off (on each side)

Remove the T15 21mm countersunk head screw and pull the wheel off (on each side)

Step 3

              Remove the screws in the case

Remove the 8 Torx T15, 22mm pan head screws from the bottom and 2 from the top. (only one side visible in the picture)

Remove the 8 Torx T15, 22mm pan head screws from the bottom and 2 from the top. (only one side visible in the picture)

Step 4

              Remove the screws on the upper air pipe

Press the button to release the dust container.
Carefully press the locking lugs inwards with a screwdriver or by hand until the upper part with the suction tube can be folded further upwards.
Then another 2 Torx T15, 18 mm cylinder head screws become visible, which are removed (they fasten the cable drum on the inside).

Press the button to release the dust container.

Carefully press the locking lugs inwards with a screwdriver or by hand until the upper part with the suction tube can be folded further upwards.

Then another 2 Torx T15, 18 mm cylinder head screws become visible, which are removed (they fasten the cable drum on the inside).

Step 5

              Loosen the intake manifold holder screw

Loosen the one PH2 screw of the intake manifold holder (it fastens the cable drum on the inside).

Loosen the one PH2 screw of the intake manifold holder (it fastens the cable drum on the inside).

Step 6

              Remove the lower case

Carefully pull the case halves apart. You now have the HEPA filter and the cable drum in the upper half and the motor in the motor capsule in the lower half.

Carefully pull the case halves apart. You now have the HEPA filter and the cable drum in the upper half and the motor in the motor capsule in the lower half.

Step 7

              Remove the upper case

The upper part is clipped into the housing with 2 locking lugs. They unhook with a screwdriver and some hand wiggling. Don’t grab the HEPA filter too tightly as it is made of paper and is easily dented.

The upper part is clipped into the housing with 2 locking lugs. They unhook with a screwdriver and some hand wiggling. Don’t grab the HEPA filter too tightly as it is made of paper and is easily dented.

Step 8

              Loose the cable from the motor

The switch is on the cable drum. The cable is connected to a spade connector which is secured by a fine tab to prevent vibration from loosening it. If you press on the lug with a fine screwdriver, the connection can be released without too much force. Disconnect the black cable.
Next to it is a long, black box in which the white cable is plugged. Press the lug with the screwdriver here as well and loosen the plug connection.
Then carefully pull both cables out of the strain relief on the housing.
Now you have mechanically and electrically separated the motor from the cable drum.

The switch is on the cable drum. The cable is connected to a spade connector which is secured by a fine tab to prevent vibration from loosening it. If you press on the lug with a fine screwdriver, the connection can be released without too much force. Disconnect the black cable.

Next to it is a long, black box in which the white cable is plugged. Press the lug with the screwdriver here as well and loosen the plug connection.

Then carefully pull both cables out of the strain relief on the housing.

Now you have mechanically and electrically separated the motor from the cable drum.

Step 9

              Remove HEPA filter

To separate the cable reel and the HEPA filter, hold the HEPA filter carefully and turn the cable reel approx. 90° clockwise. Then both parts can be separated.

To separate the cable reel and the HEPA filter, hold the HEPA filter carefully and turn the cable reel approx. 90° clockwise. Then both parts can be separated.

Step 10

Done. You have separated the essential main parts.
The cable reel, the HEPA filter and the motor can be easily obtained as spare parts on the Internet. The filter is available for around 60 euros, the motor and cable drum for around 80 euros.

Done. You have separated the essential main parts.

The cable reel, the HEPA filter and the motor can be easily obtained as spare parts on the Internet. The filter is available for around 60 euros, the motor and cable drum for around 80 euros.

Step 11

              Remove large chunks of dirt

There is an astonishing amount of dirt in the post-engine filter. Remove dirt and hair with another vacuum cleaner.
The filter is a folded paper membrane, be very careful when handling it to avoid holes, otherwise the filter effect would then be gone.

There is an astonishing amount of dirt in the post-engine filter. Remove dirt and hair with another vacuum cleaner.

The filter is a folded paper membrane, be very careful when handling it to avoid holes, otherwise the filter effect would then be gone.

Step 12

Position a garden hose on a fanned jet.
Spray the outside from above, turn the filter so that it gets wet all around.
Use a few drops of dish soap or all-purpose cleaner to facilitate the procedure.

Position a garden hose on a fanned jet.

Spray the outside from above, turn the filter so that it gets wet all around.

Use a few drops of dish soap or all-purpose cleaner to facilitate the procedure.

Step 13

Now spray the dirty inside from below and hold the filter so that dirty water drains downward and does not get to the clean outside.
Turn the filter and water jet so that the entire surface is rinsed off.
Switch to the outside and back again several times.
You are done when the water easily penetrates through the filter from the outside and the water draining inside is clean.
Dry the filter on a clothesline, for example. Never install it wet.

Now spray the dirty inside from below and hold the filter so that dirty water drains downward and does not get to the clean outside.

Turn the filter and water jet so that the entire surface is rinsed off.

Switch to the outside and back again several times.

You are done when the water easily penetrates through the filter from the outside and the water draining inside is clean.

Dry the filter on a clothesline, for example. Never install it wet.

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                    HowThingsWork

Member since: 07/21/2021

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Suicide - May 8, 2022

Mit Wasser und Saugerstaub hab ich leider die Erfahrung gemacht, dass dem abgelagerten Staub nicht wirklich beizukommen ist und letztlich der nassgewordene Staub sich “betonhaft” verhärtet! Ich habe den Behälter eines DC 52 zu spülen versucht, dann aber das Teil doch komplett gestrippt und dabei den Betoneffekt feststellen müssen. Da die Behälterteile allerdings nahezu komplett stripbar sind ging es unter Zuhilfenahme eines Borstenpinsels und etwas Spülmittel einigermassen sauber, nur in ganz engen Ritzen ist nach dem Trocknen doch noch Staub sichtbar, was aber die Saugkraft nicht wirklich negativ beeinflusst!

B. t. w. meine Schrauben sind komplett Torx 8, die Radschrauben Torx10….musste erst einen 8er lang besorgen- am besten 15cm, die Gehäuseschrauben aussen sind mind. 10cm versenkt!

Keep up the good work

Cleaning Services - Jul 20, 2022

US Cleaning Service Ltd. One of the best cleaning Service Company in Bangladesh.

Levy Karl - Aug 2, 2022

basket random This instruction is very useful for me.

Member-Contributed Guide#

Introduction#

Member-Contributed Guide

Introduction