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Author Topic: cleaning parts with caustic soda  (Read 778 times)

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Gaffers

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cleaning parts with caustic soda
« on: 08 July 2011, 12:25:00 »
While cleaning some parts with caustic soda I thought it would be a good idea to put the bearing caps off one of my heads.

I then realised that they were bubbling away and once removed they are now rather dark.  Are they goosed?  Have I screwed up  :-[

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robmac

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Re: cleaning parts with caustic soda
« Reply #1 on: 08 July 2011, 13:02:18 »
caustic will eat away white metal bearing surfaces etc but wont damage metal per say.
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Marks DTM Calib

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Re: cleaning parts with caustic soda
« Reply #2 on: 08 July 2011, 13:08:06 »
You dont use caustic soda on aluminium.

Get a small wire brush adn give the bearing caps a scrub, they will most likely come up nice and clean
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Gaffers

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Re: cleaning parts with caustic soda
« Reply #3 on: 08 July 2011, 13:42:52 »
Quote
You dont use caustic soda on aluminium.

Get a small wire brush adn give the bearing caps a scrub, they will most likely come up nice and clean

Yes master :-[

They were only in there for 20 mins or so.

Otherwise that head is nearly ready :y
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Andy B

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Re: cleaning parts with caustic soda
« Reply #4 on: 08 July 2011, 13:58:26 »
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caustic will eat away white metal bearing surfaces etc but wont damage metal per say.

It will if the metal is ally!  :y  :y  :y
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Bionic

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Re: cleaning parts with caustic soda
« Reply #5 on: 08 July 2011, 16:49:46 »
Caustic Soda was a bit extreme I think. For deep cleaning the ally on mine I use AutoGlym AlliShine liquid. As its pink DLK might like it too.......
Its recommended by the daddy of em all Rolls Royce so must be good. Does a brilliant job for me anyway  ;)
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