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A Question for nakamichi experts?

Posted by rotovator (A) on November 20, 2006 at 07:13:59

Hello

I'm having problems with my Nakamichi 480.

summarizing: Supply pinch roller assembly is pushed out by spring.

Please, Have a look at the image below.

When I insert the axis into the hole, everything works right. Tape travelling seems estable
and accurate. But after some play-stop iterations, the spring pushes out the part marked
with three green dots. This part is attached to the part labelled 'axis' which is the one
that rotates every time the pinch roller is pushed to the capstan. AS a result the spring
pushes out the whole assembly, misaligning the pinchroller guide and producing the disaster.

I thought that the axis would be a firm part that wouldn't move when pushing the pinch roller
to the capstan. The three green dots part would rotate over the axis, the whit cap above
the axis would stop this part if it would be free from the axis. But, I've seen that the
axis firmly attached to the three green dots assembly and turns every time the deck changes from play to stop

You can see the take up pinch roller mounted and the supply one dissasembled.

How can I fix this?? Any Idea?

Thanks

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