need help with repair

[delmas2nd]

One of the knives that my Dad left me was a 197UH. It is in not too bad condition except that the blade has become detached from its pin. how does one get it back on the pin for a loose blade is not a good thing.
Also how does one post photos on here for i would share if I knew how.

 

[delmas2nd]

oh well figured it out finally. took some doing but if anyone needs help doing this i now know how.