8mm Forum: plastic white rollers wanted Elmo ST1200

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Posted by Jeroen van Ooijen (Member # 1104) on January 31, 2010, 10:35 AM:

Hello everybody,my Elmo ST1200HD has in the first sprocket a metal roller,that metal roller doesn't roll.
I've heard in the past that a metal roller can scratch your movie and that happend last week,i'am glad not the whole movie.
Can anyone help me,because i'am sick of it really,to help me with a white roller.
I never looked to the first sprocket so i don't know of normally the first roll is rolling,but i don't take the risk that i screen a movie with in my head the thought that i damaged
my movie,so please help help help!
I send in the attachment a photo with a circle around the roller!

Thanks a lot!

Posted by Claus Harding (Member # 702) on January 31, 2010, 10:59 AM:

Jeroen,

Bad news; it's an awful feeling to have that happen [Frown]

Are you sure it is that roller doing it? The metal one in the picture? Don't forget the tiny little white one right behind it.

If it is the one circled, have you tried un-screwing it and giving it a bit of lubrication? The very act of unscrewing it and tightening it a bit less might be all it needs, unless it has been bent so it won't move.

Claus.

Posted by Jeroen van Ooijen (Member # 1104) on January 31, 2010, 11:10 AM:

But allthe rollers must roll,am i right?
and what kind of oil i must use?

Posted by Claus Harding (Member # 702) on January 31, 2010, 11:55 AM:

Yes, rollers should roll, that's their purpose in life.
Did you loosen it, take it off to see if there is dirt on the spindle and then put it back on again to see how it reacted? That would be the first step. It's just one screw.

If you don't have a dedicated oil from, say, an old 8mm projector (they used to come with it) I have been told that sewing-machine oil is a very 'thin' oil suitable for such jobs.
I have seen recommendations for graphite-based lubricants as well; maybe someone else can add to that.

If you use oil, the thing is just to use a drop on the spindle arm, and to dab off excess before putting the roller back, as you don't want spill when the roller starts transporting film.
It's not complicated, use common sense, and give it just a tiny bit if needed.
But check first for any damage to the roller or spindle.

Claus.

Posted by Jeroen van Ooijen (Member # 1104) on January 31, 2010, 12:34 PM:

I found the problems 3 rollers didn't roll so cleaning and oil.

Thanks,i hope he will do it after that!

The movie is cleaned for the moment.

Posted by Steve Klare (Member # 12) on February 01, 2010, 07:21 PM:

I used graphite lubricant on a reluctant roller and it works very nicely now.

I tried to get all the excess out of the bearing surfaces before I restored the roller to the machine, but then again if a little did get on a film it's pretty much the opposite of sticky.

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