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tomcat59alan

Well-Known Member
Hi peeps, Checking my EAS yesterday (bored) and found the dreaded white particles in the exhaust silencer. Ordered the air dryer and I am rebuilding a spare block for when it arrives. Is there any places to pay attention to when blowing the drillings out ie. do the particles build up in any particular place? Regards:)
 
If it has got any dampness in there the white power forms a crusty deposit on the rubber solenoid seals and seats and on the top of the diaphragm valve, needs carefully cleaning off or you will get leaks.
 
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All stripped down, diaphragm ok but a little deposit on the valve seals, easily wiped off. With everything stripped off, cleaning block was not a problem.Thank you
 
If ever you need to clean built up crusty deposits , aircraft grade sandblasting media ;);)

Cleans without changing any metals structure including aluminium :):):)
 
I would not go near the valve block with any sort of sand blaster. Sticking it in the dishwasher brings it up like new if it's really bad.
 
Datatek said:
I would not go near the valve block with any sort of sand blaster. Sticking it in the dishwasher brings it up like new if it's really bad.
Click to expand...

I didn't say sand !! Did I I said aircraft fine media
Its plastic used on air craft delecate components and f1 racing cars

I will stick to my profession , you stick to yours !!!

Dishwasher and what of the chemicals do they react with aluminium lol
 
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Grit Valve said:
I didn't say sand !! Did I I said aircraft fine media
Its plastic used on air craft delecate components and f1 racing cars

I will stick to my profession , you stick to yours !!!
Click to expand...
I will re word my answer, I wouldn't go near the valve block with any sort of pressure cleaning media.
Since when was blast cleaning a profession? I though like computers it's a trade.
 
Datatek said:
I will re word my answer, I wouldn't go near the valve block with any sort of pressure cleaning media.
Since when was blast cleaning a profession? I though like computers it's a trade.
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Well that just shows how much you know maybe you should spend the time to read my signature website
There are medias that don't change the metals surface, but what do you know lol
 
Grit Valve said:
Well that just shows how much you know maybe you should spend the time to read my signature website
There are medias that don't change the metals surface, but what do you know lol
Click to expand...
The white powder is actually harder than the alloy of the valve block if has got damp, to remove it by blasting the the degree of abrasion needed would be more than enough to degrade the edges of the alloy drillings. Ultrasonic cleaning is the way to go if you have the kit to do it, if not the dishwasher does the job.
 
Datatek said:
The white powder is actually harder than the alloy of the valve block if has got damp, to remove it by blasting the the degree of abrasion needed would be more than enough to degrade the edges of the alloy drillings. Ultrasonic cleaning is the way to go if you have the kit to do it, if not the dishwasher does the job.
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Yes data if you say so
40 years worth gosh what have we been doing all years ????
 
Grit Valve said:
I didn't say sand !! Did I I said aircraft fine media
Its plastic used on air craft delecate components and f1 racing cars

I will stick to my profession , you stick to yours !!!

Dishwasher and what of the chemicals do they react with aluminium lol
Click to expand...

Grit you cannot have a profession grit blasting unless you are teaching it and have an academic qualification to do so. Profession (academic) and professional (getting paid to do a job) are totally different words and do not mean the same thing. :):)
 
Grit Valve said:
Data how can dececant be harder than alloy even of it has hardened lol
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The alloy is as soft as ****, the dessicant surprisingly hard, trying to shift it by mechanical means can easily remove the anodizing, the dishwasher does not. Just my own experience.
 
Datatek said:
The alloy is as soft as ****, the dessicant surprisingly hard, trying to shift it by mechanical means can easily remove the anodizing, the dishwasher does not. Just my own experience.
Click to expand...

Ok I teach you something the media is designed to impact and break the impeding impurity , to such an effect that is will not change the alloys surface , we do much more expensive and delicate thing compaired to a solid valve block
An aeroplane wing for instance .
Or you could remove the anodising of a mere coke can with out even distorting it

So more more bull.... Please

You don't know what you are talking about !
 
Grit Valve said:
Ok I teach you something the media is designed to impact and break the impeding impurity , to such an effect that is will not change the alloys surface , we do much more expensive and delicate thing compaired to a solid valve block
An aeroplane wing for instance .
Or you could remove the anodising of a mere coke can with out even distorting it

So more more bull.... Please

You don't know what you are talking about !
Click to expand...

Anodising is part of the metal it is not an extra coating. To remove the anodised layer you have to remove metal.
 
Grit Valve said:
:clap2:

And in microscopic terms how less than a . Of a millimetre are we talking :)
Click to expand...

Depends how deep the Anodising was done, a few thou usually. Anodising is a process that changes the chemical structure of the outer layer of the metal. Anodising actually reduces the thickness of the metal it does not add to it. :)
 
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