Trigger travel and pressure

mrerick · 01-24-2010, 01:10 PM

I've read several posts about problems resetting the sear on P08 lugers, but this problem is slightly different (if related).

On a recently acquired Erfurt 1917 (all matching) the trigger travel to release is almost to the very back, and the release itself requires more pressure than normal.

All parts are matching. The trigger level plate is firmly in place and there is little play in the bolt. The sears look sharp. There is a very strong spring against the frame mounted sear. The round sear lever disconnector is operating properly.

There is a slight compression from square on the top lug of the trigger where the flange meets the trigger lever.

What is the best approach to reducing the amount of trigger travel before release, and reducing the amount of pressure necessary to release the sear?

I know that forming the trigger lever is out since it's a hardened and brittle steel part.

Thanks, Marc

tomaustin · 01-24-2010, 04:16 PM

...

FNorm · 01-24-2010, 04:55 PM

Quote:

Originally Posted by tomaustin

...

Yeah! I'm not that old, but it takes some 'travel' to get my trigger to
actuate too!

lfid · 01-25-2010, 03:00 AM

Marc,

lots of info in prior postings

use the search box and enter "trigger tuning"

good luck in the quest

Bill

Lugerdoc · 01-25-2010, 10:14 AM

Marc, If a matching luger and you don't want to change or screw-up existing matching sear or firing pin by some judicious filing of the overlap between the two, I'd suggest fining a trigger lever with a slightly smaller interior angle or putting a shim on the lower arm of your existing lever. Also a lighter sear spring & trigger spring, will lighten the force required to pull the trigger. TH

Ron Wood · 01-25-2010, 10:26 AM

Lugerdoc's suggestion of shimming the lower arm on the transfer lever is what come to mind for me. That shiny aluminum-looking duct tape is nice and thin and has adhesive. You might try a piece of that to see if it improves the takeup. You can also get stainless trim tape at some auto stores.

Vlim · 01-25-2010, 01:07 PM

My 1917 LP08 had a similar lousy trigger pull.

I got a newly made side plate from TH that dropped right into place and also gave it the nice, 2-stage pull I'm used to.

jamese · 01-27-2010, 07:32 AM

There is also a whole chapter on trigger pull in the E-Book "Luger Mechanical" that can help you understand the parts and their movements

Jim

01-24-2010, 01:10 PM	#1
mrerick Super Moderator - Patron LugerForum Life Patron Join Date: Dec 2009 Location: Eastern North Carolina, USA Posts: 3,901 Thanks: 1,372 Thanked 3,094 Times in 1,503 Posts	Trigger travel and pressure I've read several posts about problems resetting the sear on P08 lugers, but this problem is slightly different (if related). On a recently acquired Erfurt 1917 (all matching) the trigger travel to release is almost to the very back, and the release itself requires more pressure than normal. All parts are matching. The trigger level plate is firmly in place and there is little play in the bolt. The sears look sharp. There is a very strong spring against the frame mounted sear. The round sear lever disconnector is operating properly. There is a slight compression from square on the top lug of the trigger where the flange meets the trigger lever. What is the best approach to reducing the amount of trigger travel before release, and reducing the amount of pressure necessary to release the sear? I know that forming the trigger lever is out since it's a hardened and brittle steel part. Thanks, Marc

01-24-2010, 04:16 PM	#2
tomaustin Lifer X5 Lifetime Forum Patron Join Date: Sep 2008 Location: texas Posts: 708 Thanks: 87 Thanked 522 Times in 201 Posts	it is 93 years old... ...

01-25-2010, 10:14 AM	#5
Lugerdoc Patron LugerForum Patron Join Date: Jun 2002 Location: POB 398 St.Charles,MO. 63302 Posts: 5,089 Thanks: 6 Thanked 736 Times in 483 Posts	Marc, If a matching luger and you don't want to change or screw-up existing matching sear or firing pin by some judicious filing of the overlap between the two, I'd suggest fining a trigger lever with a slightly smaller interior angle or putting a shim on the lower arm of your existing lever. Also a lighter sear spring & trigger spring, will lighten the force required to pull the trigger. TH __________________ Tom Heller POB 398 ST.Charles, MO. 63302 Tel 636-447-3006 lugerdoc@charter.net

01-25-2010, 10:26 AM	#6
Ron Wood Moderator 2010 LugerForum Patron Join Date: Jun 2002 Location: Santa Teresa New Mexico just outside of the West Texas town of El Paso Posts: 6,994 Thanks: 1,070 Thanked 5,108 Times in 1,681 Posts	Lugerdoc's suggestion of shimming the lower arm on the transfer lever is what come to mind for me. That shiny aluminum-looking duct tape is nice and thin and has adhesive. You might try a piece of that to see if it improves the takeup. You can also get stainless trim tape at some auto stores. __________________ If it's made after 1918...it's a reproduction

01-27-2010, 07:32 AM	#8
jamese User Join Date: Jan 2003 Location: South Florida Posts: 789 Thanks: 0 Thanked 84 Times in 34 Posts	There is also a whole chapter on trigger pull in the E-Book "Luger Mechanical" that can help you understand the parts and their movements Jim __________________ The "truth" is a matter of Perception

01-25-2010, 03:00 AM	#4
lfid Lifer Lifetime Forum Patron Join Date: Sep 2006 Location: Wichita, KS USA Posts: 453 Thanks: 573 Thanked 96 Times in 53 Posts	Marc, lots of info in prior postings use the search box and enter "trigger tuning" good luck in the quest Bill

01-25-2010, 01:07 PM	#7
Vlim Moderator Lifetime LugerForum Patron Join Date: Oct 2002 Location: Europe Posts: 5,049 Thanks: 1,036 Thanked 3,957 Times in 1,200 Posts	My 1917 LP08 had a similar lousy trigger pull. I got a newly made side plate from TH that dropped right into place and also gave it the nice, 2-stage pull I'm used to.