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Delayed Start in Nose Hair Trimmer

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james_s:
Oxidation or other contamination on the battery terminals. You might improve things by smearing the ends of the battery with a light coating of dielectric grease.

Boris_yo:

--- Quote from: james_s on December 16, 2021, 08:01:29 am ---Oxidation or other contamination on the battery terminals. You might improve things by smearing the ends of the battery with a light coating of dielectric grease.

--- End quote ---

Will wiping 800 grit sandpaper on battery ends and compartment's contacts work too?

james_s:
That will clean it, although 800 grit is probably a bit more aggressive than you need. It won't stop it from oxidizing again though, that's what dielectric grease is for. In most cases it is not needed but this can be an issue in humid environments.

Boris_yo:

--- Quote from: james_s on December 16, 2021, 06:01:52 pm ---That will clean it, although 800 grit is probably a bit more aggressive than you need. It won't stop it from oxidizing again though, that's what dielectric grease is for. In most cases it is not needed but this can be an issue in humid environments.

--- End quote ---

Dielectric grease is not so popular in my country. We have contact cleaning spray with oil and dry contact cleaning spray. Not sure of difference and whether these sprays can be a decent substitute for dielectric grease...

Also we have WD40 Specialist Contact Cleaner.
And Mr McKenic – Contact Cleaner (Fast Dry) with features:

- Cleans Precision Electronic Parts
- Degreases
- Removes Dirt & Flux
- Improves Electrical Conductivit- Fast Drying
- Safe On Most Surfaces
- CFC Free
 
Not sure whether it renews conductivity and further protects electronic contacts.

james_s:
Dielectric grease is usually silicone grease. The same stuff is sold as silicone vacuum grease and as food-safe o-ring grease. It looks and feels a lot like clear silicone caulk except it never cures.

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