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Dyson V12 Trigger Replacement

What you need

    1. Dyson V12 Trigger Replacement, Removal of the filter: step 1, image 1 of 1
      • Remove the back filter by unscrewing, as you would for cleaning it (no tool needed).

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    2. Dyson V12 Trigger Replacement, Removal of the dust sucker "vortex" tube: step 2, image 1 of 3 Dyson V12 Trigger Replacement, Removal of the dust sucker "vortex" tube: step 2, image 2 of 3 Dyson V12 Trigger Replacement, Removal of the dust sucker "vortex" tube: step 2, image 3 of 3
      • Remove the dust sucker "vortex" tube by removing the four screws inside the cover with a slender PH1 screwdriver (for example from the "Marlin screwdriver set") and the two screws above the handle on the back (circles). The screwdrivers with amovible bits are too wide for this step.

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    3. Dyson V12 Trigger Replacement, Removal of the white cap: step 3, image 1 of 2 Dyson V12 Trigger Replacement, Removal of the white cap: step 3, image 2 of 2
      • Unscrew the two Torx screws (T8) that are visible and pop out the cap with a lever.

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    4. Dyson V12 Trigger Replacement, Retirer la batterie: step 4, image 1 of 2 Dyson V12 Trigger Replacement, Retirer la batterie: step 4, image 2 of 2
      • Remove the battery by unscrewing the two screws on the bottom and the one in the centre-back of the handle with a PH1 screwdriver. Pull the battery to slide it out.

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    5. Dyson V12 Trigger Replacement, Libérer les câbles du bloc poignée: step 5, image 1 of 2 Dyson V12 Trigger Replacement, Libérer les câbles du bloc poignée: step 5, image 2 of 2
      • Disengage the black plug by pushing on it axial (you'll need to force a bit).

      • Free the small white connector but pulling it out. On some versions, the whole board is covered by a silicon gel that must be peeled beforehand.

      • Remove the two Torx (T8) screws holding the terminals.

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    6. Dyson V12 Trigger Replacement, Retirer le guide-câble anti-réparation: step 6, image 1 of 1
      • Use a flexible extension to unscrew the two T8 screws (circles) from the cable guide. Those screws cannot be accessed with a straight screwdriver.

      • Flatten the terminal with pliers to allow them to slip through the guide.

      • Use a metallic stylus to free the cable guide (rectangle) then remove it.

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    7. Dyson V12 Trigger Replacement, Disengage the trigger assembly: step 7, image 1 of 2 Dyson V12 Trigger Replacement, Disengage the trigger assembly: step 7, image 2 of 2
      • Use a slender T8 screwdriver to remove the screw deep inside the handle. The screwdrivers with interchangeable bits are too wide for this step.

      • Use a plier to pull out the trigger assembly out of the handle.

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    8. Dyson V12 Trigger Replacement, Replacement of the trigger: step 8, image 1 of 2 Dyson V12 Trigger Replacement, Replacement of the trigger: step 8, image 2 of 2
      • Unclip the broken trigger and replace it by a new one printer from https://www.thingiverse.com/thing:720166.... I recommend ABS or PETG for their strength. Place the spring around the bottom pin of the new trigger.

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Conclusion

To reassemble your device, follow the steps in reverse order.

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Delan_

Member since: 11/15/25

301 Reputation

1 Guide authored

1 Guide Comment

Merci très utile ! Gâchette remplacée par une version en métal plus de risque de casse

Yann Guyomar - Reply Share

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