Sanyo Ninja theme /year unknown / my first restoration

[Mrtoad]

Hello, I am about to restore my first pachinko machine. My father purchased it sometime in the mid 1970s I believe. It is a Sanyo and has a Ninja and I believe a girl fighting him in the center. I am going to try to attach a picture or two. The game was played for many many hours in my youth and has been traveling with me ever since but not working. I tried to get it working a few years ago but parts stick a little. I think it needs a total disassemble and cleaning. I have a few questions.

Does anybody know know the year of this machine?

is there a set of instructions for breaking down the whole machine?

My playfield is yellowed and has stains and I have read there are places to get new graphics for them. Does anybody have recommendations in where to get?

I am sure I will have many more questions.

This is is my second game restore, but first pachinko restore. I just finished (still have a couple things left though) a restore of a pinball machine that was my mother's then mine as a child. It is a 1934 Bally Signal. The pachinko restore seems a little more daunting to me due to what seems to be a lot of parts. This is my Signal restore: 1934 Bally Signal Restoration

Thanks for any guidance,
Mike