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All Springer/NP/PCP Air Gun Discussion General > Turkish AirGun Gate
Hatsan 95 Quattro Trigger
19Sheridan57:
Some trigger groups have always been seen as too complicated to me.
H95Kidd:
--- Quote from: mikeyb on August 14, 2023, 06:07:48 AM ---
--- Quote from: Ronno6 on August 13, 2023, 10:12:08 PM ---When out of position, the pork chop prevents the tertiary sear from dropping in front of the intermediate sear, thus keeping the intermediate sear from catching the primary sear and latching the piston..............whew...
--- End quote ---
I believe that is another valid problem when the "porkchop" gets out of position.
I just tested one of my Quattro trigger groups by completely removing the porkchop and its spring. The trigger group worked normally as expected. I DON'T advise people remove these parts because I'm not 100% certain it is safe. My current theory that it is only a "bump" safety may be missing some other critical function. What I do know is that Hatsan added it to the trigger group to solve some problem.
Edit: When working on my Hatsans with Quattro trigger groups i put small "tight fitting" o-rings on the pins to keep them from falling out. I have at least one rifle where I left the o-rings in-place after assembly. So far the o-rings have not jumped off the pins and caused problems, but I cannot guarantee that will never happen.
https://www.gatewaytoairguns.org/GTA/index.php?action=media;sa=media;in=7481;preview
--- End quote ---
Mikeyb: That's a great idea! Taking it a step further, if one has access to a lathe, what about turning a tiny groove in the pins to accept e-clips? Now THAT would be cool. No more pins falling out! Hmmnnn...
Ronno6:
--- Quote from: H95Kidd on August 15, 2023, 09:43:06 AM ---
--- Quote from: mikeyb on August 14, 2023, 06:07:48 AM ---
--- Quote from: Ronno6 on August 13, 2023, 10:12:08 PM ---When out of position, the pork chop prevents the tertiary sear from dropping in front of the intermediate sear, thus keeping the intermediate sear from catching the primary sear and latching the piston..............whew...
--- End quote ---
I believe that is another valid problem when the "porkchop" gets out of position.
I just tested one of my Quattro trigger groups by completely removing the porkchop and its spring. The trigger group worked normally as expected. I DON'T advise people remove these parts because I'm not 100% certain it is safe. My current theory that it is only a "bump" safety may be missing some other critical function. What I do know is that Hatsan added it to the trigger group to solve some problem.
Edit: When working on my Hatsans with Quattro trigger groups i put small "tight fitting" o-rings on the pins to keep them from falling out. I have at least one rifle where I left the o-rings in-place after assembly. So far the o-rings have not jumped off the pins and caused problems, but I cannot guarantee that will never happen.
https://www.gatewaytoairguns.org/GTA/index.php?action=media;sa=media;in=7481;preview
--- End quote ---
Mikeyb: That's a great idea! Taking it a step further, if one has access to a lathe, what about turning a tiny groove in the pins to accept e-clips? Now THAT would be cool. No more pins falling out! Hmmnnn...
--- End quote ---
That had been my notion.
I need to find the correct Thinbit insert to turn such a tiny groove.
As well as the correct size collet.
I believe I have the E-clipd and some 3mm pins if that is the correct dia..
Novagun:
I have just had my Hatsan 99 in bits The barrell latch lever broke so I had to make a new one
As usual the quattro trigger fell apart and I had to reassemble it. I have had it appart several times and have not noticed the spring you talk of and it has worked uo until now despite assembling with the trigger cocked the sear will not latch the piston i hope it trigger adjustment.
Ronno6:
Refer to this link from mikeyb reply #1 above: https://www.gatewaytoairguns.org/GTA/index.php?action=media;sa=media;in=7820;preview
If your Quattro Trigger has it, the part that I refer to as a "pork chop" is the white cam immediately in front of the trigger.
On the reverse side from the picture there should be a very fine wire torsion spring, with a hook on one leg that hooks thru the little hole in the pork chop furthest from the trigger.
The other leg is positioned under the trigger pivot pin,between the pin and the trigger body and is kinda tricky to get in the correct position.
My rifle would not latch when that spring leg was not in the right position.
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