Disassembling a Norwegen Krag 1903

[ugotit33]

Anybody, anyone, all replies welcome.
If pictures are need I can do that also.
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I need help to disassemble a 1903 carbine receiver.
No screw on the side plate.
No pin in the sear.
How does the sear come out without killing the spring.
How do you take the loading gate off.
There is a lever under the loading gate, is this to lock and unlock the gate. How does this come off.
No videos on youtube, that I could find.
Any links please
Thank you

[Parashooter]

The rest is pretty self-evident with a little contemplation.