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Basic:
1. Place unloaded revolver on half cock
2. Push Barrel Wedge to the left. It will either stop against the retaining screw or come all the way out. This varies.
3 pull barrel assembly off the frame and cylinder off the arbor.
4. Unscrew nipples for cleaning.

Complete:1. Remove back strap section of the grip frame. Screws are on either side of the hammer and on the bottom of the grip frame assembly.
2. Loosen and/or remove the main spring;
3. Remove front of grip frame/trigger guard - three screws.
4. Remove Trigger bolt spring now visible in the bottom of the action.
5. Remove cylinder bolt and then trigger held by identical screws.
6. Remove hammer screw and then hammer and hand assembly through the bottom of the frame.
Remounting:
1. Replace hammer and hand first being careful not to compress or overstress the hand spring'
2. Replace locking bolt. It is necessary for the split "ears" on the rear of the hand to ride in front of the cam on the right side of the hammer. This is best accomplished by placing the hammer in its lowered (forward ) position. The outside "ear" presses against the inside of the frame while the active side presses against the hammer in front of the hammer cam.
3. Replace Trigger. This is easiest with the hammer pulled back.
4. Replace trigger /bolt spring being sure that the long "finger" is on the step on the front of the trigger. Some springs appear to be too short to replace. In this case, index the long "finger"/leaf of the spring against the step on the trigger and press down so that it will stretch out and allow replacement of the screw.
5. Replace front porton of grip frame and the main spring. It is often best to leave some slack in the screws-including the mainspring screw- until everything is in position. then tighten all screws.
6. Replace grip and back strap of grip frame. This may require loosening the screws of the front portion of the grip frame just to get all the screws lined up.

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15y ago
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Wiki User

15y ago

You can get an owner's manual for free at the S&W website

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Q: How do you disassemble a SW 686 revolver?
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