Trigger teturn

salvadore

Moderator
When Smith marketed their model 60 with the 3" lugged barrel and adjustable sights, I bought one. It's been shot moderately over the years, a lot more 38s than .357s. Anyway, It's trigger hasn't been returning all the way forward. I took it apart but can see no obvious reason. Any help would be appreciated.
 
I could be a number of things. If the gun was "pre-owned" a previous owner may have installed a lighter rebound spring or installed a heavier main spring (the rebound slide spring has to over come the mainspring to reset. However, you post seems to suggest you bought it new and the trigger has been returning until now.
My advice would be to remove the side plate and observe what is going on when the gun is cycled. In any event, diagnosing why the trigger is not returning without examining the gun, is not likely to yield the desired results.
 
Sounds like a previous owner did a trigger job without knowing how to me too. Easily fixed with a new one that you know exactly what weight is.
Factory is an 18 pound spring. Wolff Springs has assorted rebound springs individually and in packs for reasonable money.
The rebound slide spring (All J, K, L and N frames have one. Exploded drawing of a K38 is below.) needs a special tool to remove without it heading for the Twilight zone. Easily made with a lathe or for $20 from Brownell's.
http://stevespages.com/ipb-sandw-k38.html
 
It is also possible for little unburned powder fragments to get blown into the works and drag somewhere. Full disassembly and detail cleaning may solve it. Look for burrs near rub marks while you are at it, and stone those off.
 
Sounds like a previous owner did a trigger job without knowing how to me too. Easily fixed with a new one that you know exactly what weight is.
Factory is an 18 pound spring. Wolff Springs has assorted rebound springs individually and in packs for reasonable money.
The rebound slide spring (All J, K, L and N frames have one. Exploded drawing of a K38 is below.) needs a special tool to remove without it heading for the Twilight zone. Easily made with a lathe or for $20 from Brownell's.
http://stevespages.com/ipb-sandw-k38.html
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The original post seemed to suggest he bought it new and it has been working correctly for some time...no previous owner to blame.
Also, your posted schematic is not for a Model 60 (J-frame). J-frames have coil mainsprings, not flat. They do, however, have the standard rebound slide springs.
Without observing the working parts, I would go with the post that suggested dirt in the mechanism...or a lack of lubrication.
 
I already took it apart and made sure it was squeaky clean. I bought a 3" model 36 new in 1971. Have worked on J frames a lot but never had this problem. Recently replaced a lighter main spring with factory spec. Have a few return springs that may be heavier than current. Thanks for the help gang.
 
1) Lube/oil?
2) Is the pin the rebound slide bent? If so, it can cause binding and hence the sluggishness of the trigger return. The rebound slide is what pushes the trigger back to its position of rest.
3) Trigger block moving freely in its channel?
4) Long shot, but is the sear moving freely in the hammer?
5) Hand hanging up in its window?
 
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