"GB" wrote in message
news
On 08/01/2017 18:48, James Wilkinson Sword wrote:

You can buy contact cleaner spray. Does that help?

This stuff, for example.
http://www.homebase.co.uk/en/homebas...cleaner-292642


I did not have any to hand.
What I used worked.


I have a controller that can't be dismantled. I was thinking of spray
some of that stuff in and hoping for the best!

They all can, may need prising carefully.


Not this particular one, but thanks for your insightful post.


They all can, albeit with slight damage.
--
Dave W