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Posted: 1/5/2013 12:21:35 AM EDT
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I have an old garden gun chambered in 9mm Flobert. It is a bolt-action, quite similar to the Webley .410 and 9mm design.
The bolt is rusted in the receiver, as are several screws which hold parts such as the trigger unit. If I can get the bolt out and dissemble it, the shotgun is probably recoverable. I flooded the action with CLP and left it to soak. Unfortunately Kroil and probably a good few other such products are not sold over here, and CLP was the best available. Once it has had a while to soak, would the best course of action be tapping the bolt with a hammer to try and loosen in? The bolt is closed but not locked, leaving it in the correct position to be removed. Everything will need to go in an electrolysis bath to strip the rust from the metalwork, but would that likely help with removing the bolt? I don't really want to introduce water whilst unable to access the action. One thing that worries me is I don't quite remember the release mechanism for the bolt, although it's probably just holding the trigger down. The trigger is unable to move at the moment, however, if the screw holding the unit can be un-seized, it should come right out. The bolt being forward and unlocked is probably what's blocking the trigger, rather than rust. I'll post pictures today. It is a very simple design. Guessing Belgian or Spanish made, although no makers name visible. Thanks. |
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Another option is to soak the action in a large can of kerosene, although given time the CLP should work.
Some people claim that a 50-50 mix of automatic transmission fluid and acetone is as good as Kroil. (Careful of sparks and flame if you try the kerosene of Acetone and ATF mix). Lightly bumping the handle to loosen the bolt should work as long as it's not so badly rusted the metal has fused together. Try using something hard like a plastic or brass hammer. The harder material will set up more vibration and may break the parts loose better then something soft like wood or a rubber mallet. Another technique to loosen screws is to press a soldering iron to the screw heads. The heat may help break them free. NO TORCH, just a soldering iron which puts the heat directly on the screw. If you can, heat both ends of a screw, if the threaded end is accessible. |
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I would soak the gun in kerosene + ATF. I would also apply a little heat just to expand everything and move the joints around. I would also drop a brass rod or maybe a hardwood dowel down the bore so I could bump the bolt axially to loosen things up - even if its still locked into battery that will help.
If that didn't work I would try a solution like Evap-o-Rust to pull off all the rust on the surfaces of the gun. A soak for a day should be long enough for the solution to do all it's going to do. The last thing I would try is plating the rust off with a 12 VDC battery charger. You can find about a zillion places on the internet that describe the set up. |
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