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Hang fires, Jewel trigger of firing pin???

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Old 10-22-2010, 11:50 PM
Bronze Member
Join Date: Dec 2007
Location: NW PA
Posts: 94
Re: Hang fires, Jewel trigger of firing pin???

The cleaning and lube advise is spot on, but the two things you should check are the trigger mounting pins(they should slip freely through the trigger-POLISH with 600 paper). The most probable cause though is the overtravel is adjusted too tight, back it off to give you more clearance.
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Old 10-23-2010, 08:26 AM
Platinum Member
Join Date: Nov 2005
Location: Texas
Posts: 1,844
Re: Hang fires, Jewel trigger of firing pin???

Originally Posted by Trickymissfit View Post
your correct, but in the back of my head I say they're nuts! Dry graphite worked very well on the Cooper. But as I said they are not made to work in the field, but a very controlled enviorment. Plus I really don't wanta be shooting groundhogs with a guy using a 2oz. trigger!
Gary I have 20 of them in sporters and in the 2oz match version in competition rifles. All installed and in some cases blueprinted by Speedy Gonzalez---been in rain dust and never hyad a problem of any kind. Maybe it was the Smith or maybe the trigger puller is not keeping the trigger maintained IAW with Jewell instructions...

Most problems with firearms are attributable to the Trigger Puller not knowing how to maintain or the Smith not building the firearm correctly. Granted most folks have no idea if the firearm was build perfectly or not but when you deal with performance products special precautions are necessary like keeping the trigger clean for instance.

Maybe Arnold is nuts but I have never had an issue when following his recommendations..
The Truth Is Not Always Good For Business!!
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Old 10-23-2010, 08:28 AM
Bronze Member
Join Date: Dec 2006
Posts: 47
Re: Hang fires, Jewel trigger of firing pin???

'The most probable cause though is the overtravel is adjusted too tight, back it off to give you more clearance. '

BINGO -that's most probably the reason for your problems .

Adjust exactly in the order that the instructions say.
For some reason it does make a difference.

I shot a Jewel in a Witchata 1375 for about ten years at a range that has fine dust blowing somedays.

I had "0" problems with that trigger in that time set as light as possible - under 2 oz.

The trigger is on a hanger system -undo one bolt and it all drops out for cleaning .

Many years ago two welder friends were going to a job in Northern Canada by float plane.
They watched as a rifle was fastened to the float struts outside .

One turned to the other at that point and said "Glenn would not like that ."

Don't use moly disulphide lubricants in a trigger .
It will act as an abrasive in pins etc- see Merril Martin in Precision shooting .
The same thing applys to bolt sleeve threads.....


Last edited by Stonewall2; 10-23-2010 at 08:45 AM.
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Old 10-25-2010, 09:01 PM
Platinum Member
Join Date: Jul 2004
Location: Texas
Posts: 5,439
Re: Hang fires, Jewel trigger of firing pin???

In my humble opinion I would think it was the fireing pin because if you look at a schematic of
the Jewel trigger When you pull the trigger the upper leaver is unlatched and is pushed out of the way and cannot hold the fireing pin block and it will release the fireing pin.

However it is not unusual for the fireing pin to stick due to heavy lube and cold weather, a
serpentine looking fireing pin spring, dirty fireing pin assembly, totally dry or as someone
said the over travel is adjusted to tight holding the sear barely engaged. Back it off 1/8
to 1/4 turn and check it.

There is a procedure from Jewel to adjust the trigger and it must be followed ."To The Letter".

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Old 11-17-2010, 11:37 AM
Junior Member
Join Date: Nov 2010
Posts: 1
Re: Hang fires, Jewel trigger of firing pin???

Originally Posted by Broz View Post
I have seen the same thing happen with Jewels on more than one occation. As already stated above, I fulsh them about 3 times with lighter fluid and blow them out with dry compressed air. The lighter fluid as it dries leaves a very light film of lube. This is why the LF makes the perfect cleaner. I use no other lube.

What kind of lighter fluid do you use? Zippo?

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