Before I got my first m (back in ) I had already seen many digrams showing how the trigger/sear/disconnector/hammer worked.
To understand the action of a. set trigger, look at Fig.
1, which The rear trigger is in reality a “knock-off” for the sear. Diagram of Captain Woody’s set trigger.
A trigger is a mechanism that actuates the firing sequence of a firearm, airgun, crossbow or The connection between the trigger and the hammer is typically referred to as the sear surface. Variable mechanisms will have this surface directly.
This is my interpretation of how the trigger, sear and disconnector work. In diagram 1, the trigger group and hammer are shown in the cocked. Learn how to tune your sear angles and sear spring to reach a crisp lb trigger pull with some easy to get tools and supplies.Make certain it stays cocked.
If it wont stay cocked increase the tension screw. If you feel “creep” go back in and restone the trigger sear (tip; use a black magic marker, work the assembled trigger and look to see where its rubbed off, make sure its even, if you see a “hitch” or uneven wear, use the stone).
This is easier than it looks. Trigger Parts Diagram Our triggers are pre-set at the shop with enough tension to trip a properly hardened and adjusted sear.
Setting the trigger too strong can be damaging to the lock and/or triggers. When trigger and sear tensions are properly matched, your firing mechanisms will be safe and a .
The reason that the ‘double set, single phase’ trigger cannot fire the gun without being set is that on this trigger, the firing trigger has no bar. Pulling it causes no contact with the sear bar.
Only by setting the trigger, then letting the set trigger bar fly up and hit the sear bar can the gun be fired. H&R/NEF Handi-Rifle Trigger Work Pg.
1 Warning and Disclaimer: Make sure that the firearm is unloaded before going further. Also, be aware that if you modify firearms from factory stock, you are likely voiding your warranty.
If you can’t afford to try this project as a learning experience, DON’T ATTEMPT IT. Polish the Trigger Sears. Polishing the trigger sears is a serious business, and must be done very carefully, making sure that the original angles are not altered in any way.
Figure 7 shows the sear components with arrows showing their direction of movement when you pull the trigger.Sear (firearm) – WikipediaSear (firearm) – Wikipedia