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the time has worn and has a lot of slack.
the pin appears to be inserted under pressure
but it is very stiff and not as unmount

See photos.

Thank you for your answer.
My old CSP1 has no screws

Zbench Thanks for your reply.
no need to vary the height of the ram
I need to remove the pin bottom arm
that is damaged and stiff
forgiveness for using translator, I do not speak English.

Good afternoon,
as remove the lower pin of the press arm

Aneat
Excellent work,
I´m very impressed.
I´ve been thinking of building a press.
Is possible see a the new drawing wiht the dimensions in system metric?.
Thanks.