HW30 Barrel Cleaning

M12shooter

M12shooter

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East St. Paul, mb
I have an older Weihrauch HW30. The airgun is about 35 years old and has had tens of thousands of pellets run through it. Have had the main spring/seals replaced once few years back but I can say that I have never cleaned the bore in any way shape or form:redface:. Should this be a maintenance item? Also, should the piston be lubed on occasion with light gun oil?
 
There is no need to clean it. There is no powder residue to say and at the velocities it shoots at, there should be virtually no leading. So, no, but if it makes you feel good, go ahead. Be carefull though, most air gun barrels and lands can be on the soft side compared to a firearm. You could do more damage than good.

I will drop a few drops of oil, very sporadically, down the cylinder and behind it just so it doesn't go dry. Some on here will chime in and say moly grease is the only way to go and tell you it's darn near horrible to use any oils with detergents in them. I think it's a lot of bull, but I don't shoot thousands of rounds a week either.
 
i would caution against using oil in the cylinder as it may deisel. this is a term airgunners use to describe the combustion of the oil because of the pressure and heat when the piston travels forward at speed. this doesnt always happen but the results are a blown seal and sometimes a cracked piston.
just a warning imho
 
bluestratus said:
i would caution against using oil in the cylinder as it may deisel. this is a term airgunners use to describe the combustion of the oil because of the pressure and heat when the piston travels forward at speed. this doesnt always happen but the results are a blown seal and sometimes a cracked piston.
just a warning imho
Click to expand...

Crap ya, good call,
clean the bore from the end the pellet is placed.
if .177 those push plugs are good, or get the RWS kit, it includes chamber oil, very small drop , test it, shoot it for a week , to be certain it don't start to backfire.:D ,
I recommend OTIS, and MP-5 oil, for seals, joints, and outer surface., bore also, a light coat. moly tar for the main spring.
 
A pure silicone oil is usually recommended for springers, to prevent dieseling. Most places that sell airgun oil just have the red Pellgunoil or such, which is only good for the pneumatics and CO2 guns, as well as for anywhere except the spring and chamber area of a springer.
Look at the bigger online places for Chamber Oil or Chamber Lube.

ATF works pretty well as a sub for the other stuff. Anything is better than nothing at all, too.

Except in the chamber, where the wrong stuff can wreck it.

Cheers
Trev
 
Thanks for the info guys. I thing I'll just leave my HW30 bore alone. I was in the habit of putting a small drop of oil down into the cylinder once a year. I think I will now discontinue this practice as well.
 
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