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Oil-like Stains Around Screws on New MikroTik RB5009UG+S+IN

Posted: Thu Jan 23, 2025 8:41 pm
by MarkusA
Hello everyone,

I recently purchased a brand-new MikroTik RB5009UG+S+IN, but I noticed something unusual. Around the screws on the device, there appear to be oil-like stains. The device seems to be sealed and unused, so I’m not sure if this is part of the manufacturing process or something else.

I’ve attached a photo for reference. Has anyone else encountered a similar issue? Is this normal for MikroTik devices, or should I be concerned?

Any advice or feedback would be greatly appreciated!

Thanks in advance!

Image

Re: Oil-like Stains Around Screws on New MikroTik RB5009UG+S+IN

Posted: Thu Jan 23, 2025 9:06 pm
by BartoszP
Do not know but it could be the effect of freshly oiled/greesed screwdrivers used during assembly process.

Re: Oil-like Stains Around Screws on New MikroTik RB5009UG+S+IN

Posted: Thu Jan 23, 2025 10:36 pm
by gabacho4
Common and not a problem. Have had it on 4 RB5009s I've fielded. Believe there have been multiple posts on this forum about this very thing.

Re: Oil-like Stains Around Screws on New MikroTik RB5009UG+S+IN

Posted: Fri Jan 24, 2025 12:04 am
by Amm0
loctite?

Re: Oil-like Stains Around Screws on New MikroTik RB5009UG+S+IN

Posted: Fri Jan 24, 2025 10:57 am
by RLeemans
This is because of the thermal pads bleeding silicone oils through those holes. Not really an issue. :)

Re: Oil-like Stains Around Screws on New MikroTik RB5009UG+S+IN

Posted: Fri Jan 24, 2025 11:25 am
by woland
This is because of the thermal pads bleeding silicone oils through those holes. Not really an issue. :)
Exactly! I have opened my device out of curiosity. It has the same stains. Cosmetic issue only.