S&W model 58
what is the proper tension on the screw in the front of the grip strap bears on the mainspring. thanks in advance model 58-2
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You tighten it firmly down, thats the way its designed to work.
Never loosen or back it out to "lighten the trigger"0 -
That is the factory's position. 0 -
thanks needless to say that is not the way it was 0 -
Yes, they need to be tightened down firmly, all the way. if it is turned out, you will decrease pressure on the spring, and possibly get some light hits. 0 -
Strain screw, and yes, tighten it down if you want it to shoot every time.
W.D.0 -
Just because the strain screw is tightened doesn't mean all is well. On occasion folks heed the "tighten the strain screw" advice but shorten the length of the strain screw. Make sure the strain screw is full length. The end of it should be squared off and blued. 0 -
Adjusting the power for the hammer spring (or main spring) was done in various ways. no matter which method you use the strain screw should be all the way in or bottomed out. Some departments used to stake them in so they wouldn't work their way out after many thousands of rounds. The factory had a little gauge that you could measure the tension in pounds. I forgot what their minimum was. Of course people making a target or strictly competition gun might adjust it lighter. Someone made a rod that was weighted and you would cock the hammer and drop the rod down the barrel and fire the gun (unloaded of course) and the rod would have to move a certain distance to meet the requirements. I don't recall who made the rod but you might call the factory or armorers school and they could help. 0 -
An issue since this design has existed.
Bubba doesn't quite grasp that this screw exists only for disassembly/assembly purposes, not 'adjustment'.0
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