Quote:
Originally Posted by razz
I'd like to know also.
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Grip removal and the parts under them is about the extent of disassembly required to access the trigger for replacement.
Remove either grip with the pistol flat on its side. When you lift the grip, note the position of the parts under it so you can put them back where they belong. Flip the pistol over and repeat.
You can dump some parts off of the pistol (mag button and its spring, slide release lever) by turning the pistol over and letting gravity have its way with them. Others (disconnector and its spring, mag disconnect - if so equipped) may need to be lifted off.
Looking at the left side of the pistol, there are two round holes in the frame right above the trigger. The top one looks empty from the left side, and the lower one is occupied by a pin. If you look at the right side of the pistol, you'll see the top hole has a pin sticking out that goes through the hole in the disconnector. Note how far this pin protrudes on the right side.
Take a drift punch and drive the disconnector pin out from left to right. Next drive the trigger pin out from left to right. The trigger will be free and fall out into the trigger guard.
If you're installing a trigger with an overtravel screw, insert the setscrew before installing the trigger. Clean the tapped hole and the setscrew with acetone or other evaporating solvent and give them a shot of blue Loctite. It's easier than waiting till the trigger is in.
Slide the new trigger into place and tap the trigger pin back in from right to left. It should roughly flush off with both sides of the frame. Now reinstall the disconnector pin. If you tap it in too far it will either bind the trigger by rubbing on the left inside of the frame, or it will lock the trigger by passing into the access hole you used for the punch. If it's not driven in far enough, it will drag on the inside of the right grip. Look at the grip. It will have a outed-out hole for the pin.
I usually adjust the OT screw in till the trigger won't drop the hammer, then back it out about 60° or so (adjacent flats on the allen screw).
Resist the temptation to mess with the pistol for at least a day

See, an easy fix..............chim