On I go…
The cocking bar, that part of the cocking linkage that pushes the piston back.
I don’t know why it has that square bit. Possibly a sort of anti-beartrap? Hmmm.
One trigger pin pushed out.
The sear is odd, there’s a ball bearing on the sear and one on the piston.
The trigger and its two pins.
I couldn’t remove the “cocking body”.
The pin just wouldn’t come out more than this and I did not want to destroy the gun.
The rear sight.
A setscrew locks the plug to a cross-pin.
I was too lazy to drag out my spring compressor so I just used a bar clamp. The spring does have a significant preload.
Pushing the cross-pin out
The end plug. Notice the integral cruciform spring guide.
The piston.
See the ball? Shiny ball
.
The piston seal is a simple slug of molded elastomer. I forgot to take pics but it has a groove on the underside as it’s molded. I think an easy replacement would be an aluminum slug with an o-ring.
All the parts…
Here’s a poor shot of the two sear balls in contact, representing a cocked condition. When the trigger is pulled the one ball slowly rotates out of contact, which yields a sliding motion as the sear releases. Not crisp, but smooth.
Anyway…reassembly is exactly in reverse. I took some time to properly lube everything. The gun does shoot smoother than before.
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