Posted: 1/8/2010 4:55:47 AM EDT
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I shot my new-to-me Webley Mark IV for the first time last night.
It exhibited a functioning problem and I'm hoping some of you wheelgun guys might be able to help me figure it out. Parts number 31 and 33 on this chart interact with the trigger when pulled. There is a little projection from part 33 that pokes through a hole in the frame and holds the cylinder in place. When the trigger is pulled this part is supposed to lower and allow the cylinder to rotate. It does lower as it should about 70% of the time. When it does not lower as it should, applying pressure to the rear of the trigger will cause it to "click" into position and operate as it should. Either the trigger is not coming all the way forward on its own or there is something wrong with parts 31 and 33 that is causing them to sit too high. I'm thinking it is the former rather than the latter. |
| Two possiblilities come to mind. One, there's massive amounts of crud in the action. Get a can of brake cleaner and go to town. Two, springs are going bad. Numrich usually has parts. I've never taken the guts out of a Webley so I can't say how much of a challenge that may be. |
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Quoted:
Two possiblilities come to mind. One, there's massive amounts of crud in the action. Get a can of brake cleaner and go to town. Two, springs are going bad. Numrich usually has parts. I've never taken the guts out of a Webley so I can't say how much of a challenge that may be. Can't think of anything else. Don't forget to oil after hitting it with brake cleaner. |
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You know, I took the gun down to every individual component when I got it to clean all the cosmo out and coat everything with fresh oil and grease.
Those components were the ONLY ones I did not remove - because they were pinned in and the pin was too tight and I didn't want to risk marring it. |
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I would get a can of Gun Scrubber and use that on the areas you could not disassemble.
NOTE: Wear eye protection when you use Gun Scrubber and gloves are not a bad idea either. The contents of the can are under high pressure and the mess will go everywhere. Do this outdoors if at all possible. The solvent in Gun Scrubber will eat through cosmoline. It completely de-greases the area, so you will need to reapply lube. |
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I checked it out last night and it appears all the cosmoline was out of that area. There was no binding or gumminess at all. I did hose out the frame (with those parts installed) with brake cleaner so I probably got them pretty clean without disassembly. I did put some oil in the assembly, too.
I ended up removing the trigger and taking a few file strokes off the engagement surface that interacts with part number 31. Before, when the trigger failed to reengage part 31, a slight pressure on the rear of the trigger would cause it to properly reset with no detectable movement. This told me the "hook" on the face of the trigger was just barely not engaging part 31 on occasion. Just a few file strokes on the trigger's engagement surface was all it took to remove enough material so that it would come "high" enough to engage part 31 every time. I was able to induce malfunction before by pulling the trigger with the gun upside-down. Now I was unable to even induce a failure in this way. The mechanism functioned flawlessly. I think it's fixed! |
