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 Beginner's Guide to Cleaning Cartridges

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Cerwyn
Cerwyn (Site Admin)
Cerwyn (Site Admin)
Cerwyn


Number of posts : 11073
Age : 65
Location / Country : North Wales
Registration date : 2008-07-20

Beginner's Guide to Cleaning Cartridges Empty
PostSubject: Beginner's Guide to Cleaning Cartridges   Beginner's Guide to Cleaning Cartridges Icon_minitimeSun Sep 07, 2008 10:47 am

Cleaning and Preparing Fired Cartridges

Arguably the biggest and most labourious chore we'll come accross, cleaning cartridges after firing has to be it!
The fact is though, that if your cartridges aren't cleaned properly and cared for, your model gun will not work properly.
This is a 9mm Marushin MP40/UZI cartridge after being fired once. If all the black soot and deposits aren't cleaned off immediately the cartridge will corrode quickly and will not function properly.

Beginner's Guide to Cleaning Cartridges Pbucket

There are a few different methods you can use, but I find this method the easiest and the least work so ....
Tools for the job are:
UltraSonic Cleaner

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Polishing Machine


Beginner's Guide to Cleaning Cartridges Polish11


Step 1.
Dismantle your cartridges and discard the fired cap.

Remove any loose dirt and soot with a mascara brush


Beginner's Guide to Cleaning Cartridges Pbucket

Step 2.
Place all the cartridge components into the UltraSonic Cleaner, then fill the basket with hot water and a little washing up liquid


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Switch the Cleaner on and let it run. My machine runs in 3 minute bursts so I found that 3, 4 or so bursts plenty to get most of the dirt off.
You'll be surprised how dirty the cartridges are!


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Sometimes it's worth changing the water and letting them run again
Step 3.
Pour the cartridges out through a kitchen sieve so you don't lose the internals down the plug hole... (Yes, I have lost a few parts before today)
Step 4.
Dry the cartridges on some kitchen roll or a towel. If you're in a hurry, blow dry them with a hairdryer
Step 5.
Place all the cartridge components into the Polishing Machine. Mine was designed to take 300 real brass cartridge cases so I have been putting anything up to 100 complete cartridges into it.


Beginner's Guide to Cleaning Cartridges Dsc00135

The polisher vibrates and tumbles the cartridges through a medium of crushed and treated walnut husks or corn. Leave the machine on for a couple of hours while you get on with something more interesting.
Step 6.
Pour the contents of the polisher into a colander or similar and sieve the polishing compound out.


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All the components will be highly polished and gleaming. I've found that rubber O rings used on MGC cartridges are undamaged by the polisher. If used every time, minor nicks and dents on Cartridge Rims are smoothed away but it obviously won't deal with more serious damage.
If you're storing them, a light spray of silicone oil won't go amiss.
Cerwyn


Last edited by Cerwyn on Sun Jul 30, 2017 12:57 pm; edited 2 times in total (Reason for editing : images converted to servimg)
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Cerwyn
Cerwyn (Site Admin)
Cerwyn (Site Admin)
Cerwyn


Number of posts : 11073
Age : 65
Location / Country : North Wales
Registration date : 2008-07-20

Beginner's Guide to Cleaning Cartridges Empty
PostSubject: Re: Beginner's Guide to Cleaning Cartridges   Beginner's Guide to Cleaning Cartridges Icon_minitimeSun Jul 30, 2017 12:59 pm

images updated to Servimg

_________________
Cerwyn

Hobby collector of Replica model guns and Militaria.
also member of Living History Reenactment Groups.
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