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Author Topic: Using WD40 on Dysons  (Read 2661 times)

Offline beko1987

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Re: Using WD40 on Dysons
« Reply #45 on: May 10, 2017, 08:47:03 AM »
Ha, speaking of those, I was tempted to get one at the car boot (was some bloke selling them for 4) and see if the bearings were any use on anything!
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Offline GeorgeJ

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Re: Using WD40 on Dysons
« Reply #46 on: May 10, 2017, 04:38:45 PM »
Ha, speaking of those, I was tempted to get one at the car boot (was some bloke selling them for 4) and see if the bearings were any use on anything!
Chances are they're low quality bearings at that price (or they were stolen... ha).  You'll get a better deal buying them in bulk online.
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Offline RustySkull

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Re: Using WD40 on Dysons
« Reply #47 on: May 11, 2017, 09:53:16 PM »
I don't know why you all panic so much really... Oil and forget.
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Online ryevac

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Re: Using WD40 on Dysons
« Reply #48 on: May 21, 2017, 01:19:13 PM »
i try not to use wd40, unless to free off seized metal parts.
Ptfe based spray i find ok for moving plastics.

Grease from the tub is good for other applications but a word of warning using the pound shop aerosol style grease.

I believe it is petroleum based, i had an electric black and decker strimmer in for repair, the one with the moving plastic swivel head. stripped - found the bad cable, thought i would clean up the motor and commutator etc whilst in there.

All went well, then i thought after reassembly the head plastics felt a bit rough when twisting and locking into required position, a liberal spray of this grease into the moving plastics well sorted it.....
However, as i suspect it is petroleum based (smells like it to me ) it produced a highly flammable vapour in the head assembly which isnt good with the slightest spark from the motor brushes....

This one exploded as i tested the unit, quite a bang for a small amount of spray grease.
Very funny looking back  ;D
If it was assembled it can be disassembled - if we can't repair it then it probably isn't worth repairing !

Offline GeorgeJ

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Re: Using WD40 on Dysons
« Reply #49 on: May 22, 2017, 04:56:40 PM »
Oof....  that's not fun.  I've always tried to limit WD40 to metal...  I'll start trying it with some plastics.
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Online Madrat

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Re: Using WD40 on Dysons
« Reply #50 on: May 22, 2017, 04:59:27 PM »
lol did you have an involuntary bowel movement   :))

Offline GeorgeJ

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Re: Using WD40 on Dysons
« Reply #51 on: May 22, 2017, 05:14:15 PM »
What happens between me and the seat on the bus are none of your concern.
You miss 100% of the Dysons you don't buy.  -Wayne Gretzky
 -Michael Scott  -GeorgeJ

Offline RustySkull

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Re: Using WD40 on Dysons
« Reply #52 on: May 22, 2017, 10:37:41 PM »
You lot over think everything lol.
WD40 is harmless.

As for clock movements, I use 15W40.
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Offline GeorgeJ

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Re: Using WD40 on Dysons
« Reply #53 on: May 22, 2017, 10:41:40 PM »
You lot over think everything lol.
WD40 is harmless.

As for clock movements, I use 15W40.
I just want to make sure I don't, for instance, spray a bunch of WD40 into the guts of a Dyson ball then watch it all melt away.  Listing a salvage power cord, cyclone and handle on ebay is alot less fun than a working machine :))

Also, I soak everything in diesel before I work on it.
You miss 100% of the Dysons you don't buy.  -Wayne Gretzky
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Offline RustySkull

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Re: Using WD40 on Dysons
« Reply #54 on: May 22, 2017, 10:45:02 PM »
Also, I soak everything in diesel before I work on it.

You're better off with a mix of Gas Oil and Kero.
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Offline GeorgeJ

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Re: Using WD40 on Dysons
« Reply #55 on: May 22, 2017, 10:47:05 PM »
Diesel isn't as explosive.... but ok....  I'll trust you.

Should I also mix bleach and ammonia in the basement when cleaning the machines?
You miss 100% of the Dysons you don't buy.  -Wayne Gretzky
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Offline theheadschoice

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Re: Using WD40 on Dysons
« Reply #56 on: December 08, 2017, 03:37:28 AM »
I always hit bearings with wd40 and clean the old grease out with an air compressor along with the WD40 before I grease the bearings. Sometimes if no dirt has gotten inside one, I just put a drop of white mineral oil on the grease and they're spinning like a champ with minimal effort. I've found marine grease to be the best, stuff they use on boats. Resists rusting and corrosion more.

Online DennDyson

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Re: Using WD40 on Dysons
« Reply #57 on: Today at 03:27:10 PM »
The clue is in the name WD stands for Water Displacing.
It dries out and leaves a surface deposit which is insulating so DO NOT USE IT ON ELECTRICAL CONTACTS!
Dries out - so not much use for long term lubrication  :(
Bearings can have seals OR shields.....seals seal the balls and races so no grease/oil can get in or out.
Shields shield the balls/races from foreign matter getting in.  Seals and shields can be removed and sometimes can be put back in if carefully removed.    Best do an internet search on "bearing seals" and "bearing shields" to see how they fit and work and get the full information.
Grease is a mixture that contains oil, hence when the, lubricating, oil has dried up the rest of the material is dried up in appearance and has no further lubricating properties.
Looking up bearing lubrication on the internet will also tell you what to use, not by make but by type. and will give you brain failure or at least a headache.  ;D

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