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<> use a high-viscosity damping grease.
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Replacement, toilet seat drop is in the active close using damping grease and can not be repaired.
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The hinge can only be replaced, and if you have not heard of the hinge maintenance, it is generally recommended to replace it.
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There is a problem with hydraulics, so let's change it.
If the toilet lid can't be lowered, find a manufacturer or professional to repair it.
It is caused by the aging of the plastic. Replace these things.
Toilet seat dismantling diagram Look at the photos on the Internet to disassemble ah There are a lot of them It's not as difficult as you think You can search it on the Internet.
This problem is a bit complicated, you must have a professional master to get it, it is recommended to find the master of the after-sales or decoration company to change it for you.
You can remove it by unscrewing the screws.