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mrerick · 02-09-2011, 09:05 AM

Hi Andreas, and a belated welcome to the forum!

The full auto failure is most likely related to either a failure of the disconnector (the small roung plunger at the end of the sear bar), or a problem in the engagement of the sear and the firing pin.

What is the condition of the axle pins that hold the toggle train together? Do the pins fit snugly into their mounting holes. This fit is very exact. There should not be looseness in the toggle train. It should not move forward/backward when in battery.

It would be useful to see the sear engagement surfaces closeup (the firing pin and the sear). It's too dark to see the sear surface in your photographs.

If it's useful, I found an excellent animation of the Luger action on YouTube yesterday:

http://www.youtube.com/watch?v=PEdRo0g-Mp8

Marc

02-09-2011, 09:05 AM	#13
mrerick Super Moderator - Patron LugerForum Life Patron Join Date: Dec 2009 Location: Eastern North Carolina, USA Posts: 3,920 Thanks: 1,377 Thanked 3,135 Times in 1,518 Posts	Hi Andreas, and a belated welcome to the forum! The full auto failure is most likely related to either a failure of the disconnector (the small roung plunger at the end of the sear bar), or a problem in the engagement of the sear and the firing pin. What is the condition of the axle pins that hold the toggle train together? Do the pins fit snugly into their mounting holes. This fit is very exact. There should not be looseness in the toggle train. It should not move forward/backward when in battery. It would be useful to see the sear engagement surfaces closeup (the firing pin and the sear). It's too dark to see the sear surface in your photographs. If it's useful, I found an excellent animation of the Luger action on YouTube yesterday: http://www.youtube.com/watch?v=PEdRo0g-Mp8 Marc __________________ Igitur si vis pacem, para bellum - - Therefore if you want peace, prepare for war.