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Dyson DC14 models come in two variants; with and without a clutch. For those without a clutch, a single drive belt connects the motor directly to the brush so the brush rotates continuously whenever the motor is on.
This guide is for replacing the drive belts on Dyson DC03, DC04, DC07 and DC14 models equipped with a drive belt clutch. It requires removing the clutch from the vacuum and disassembling it to remove the drive belts.
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Lay the vacuum on its top so that the brush bar faces you.
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Using a quarter, turn the three soleplate fasteners 90 degrees to the left.
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Holding the soleplate on both sides, tilt it down and away from the vacuum.
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Remove the soleplate from the vacuum.
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Turn down the squared tabs on the brushbar so that they face outward.
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Use a screwdriver to pry the belt up from the brushbar.
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While holding the belt, pull the brushbar to the left and remove it from the vacuum.
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Place vacuum face down.
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Remove the u-bend pipe that connects the canister to the telescopic wand by pressing the release button and pulling straight out.
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Pull the clear hose out of the gasket on the right side of the vacuum under the axle.
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Pull the hose straight back towards you.
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Remove brush-bar housing by prying the housing out of the clips that hold it.
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Pull brush-bar housing toward you while keeping vacuum stationary.
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Remove the three T15 torx screws that secure the cover to the brush clutch belt.
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Pull the cover of the brush clutch belt out towards you.
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Pull belt to the right to remove the belt from the brush clutch axle.
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Two clips secure the clutch knob to the clutch assembly. They can be identified by the half moon cutouts in the interior wall of the clutch knob.
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Pry the knob off with a flat blade screwdriver.
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Slide the knob off the clutch.
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Grasp the drive belts and use them as a handle to pull the clutch out of the housing.
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Remove the two T10 Torx screws on the end of the clutch assembly.
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Using a flat blade screwdriver, press the retaining tab on the side of the motor pulley.
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Open the motor pulley housing, revealing the motor drive belt.
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Remove the motor drive belt from the pulley.
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Remove the clutch plate from the end of the clutch assembly and set it aside.
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Remove the snap ring holding the clutch drive shaft in place.
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With the retaining clip removed, the main shaft is free to be removed.
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Insert a flat blade screwdriver between the side of the housing and the brush drive pulley.
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Pry the pulley out of the housing along with the belt.
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Once it is clear of the housing, you can pull the belt the rest of the way out by hand.
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The brush drive belt is now free and can be replaced.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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There is a plastic, nylon part that come of the clutch, I could not find where it belongs to. It is 7/16 long. ID 1/4 = shaft diameter, OD 5/16 and 3/8. Does not show in your pictures. Otherwise the guide is very good. I appreciate if someone tells me.