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Describe the specific part or component of this device you're working on. Ex: Battery
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Step 1 — Opening the handpiece
Seen from below, the handpiece is oval-shaped. Wrap with a cloth, with a pair of pliers, a nutcracker or similar. start where the feet are and put the oval in a circle. At the same time, press the handpiece upside down, ie with the metal shank in front, onto a wooden base, whereby the inner life is expelled.
Step 2 — Remove handpiece base
Remove the underside of the handpiece by carefully lifting the tabs at the two farthest vertexes of the oval with a small screwdriver.
Step 3 — Remove the rubber pad from the motherboard
Remove the rubber pad from the motherboard
Step 4 — Remove plastic cap from metal shaft
Use a puller to remove the plastic cap from the metal shaft to expose the defective rubber boot.
Step 5 — Clean items
Thoroughly clean all housing parts with water and cloth.
Step 6 — Repair electronics
Place the inner workings of the handpiece without housing parts in a container in such a way that the main board points downwards and the battery points upwards.
Step 7 — Replace rubber sleeve
The defective rubber sleeve on the metal shaft must be replaced. A spare part is available for less than € 4 on eBay under the following designation: "Philips electric toothbrush Waterproof sealing parts for HX6730 HX6930 HX9340».
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