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» Film-Tech Forum   » Operations   » Film Handlers' Forum   » Norelco DP70 rollers

   
Author Topic: Norelco DP70 rollers
Philip Wittlief
Film Handler

Posts: 57
From: Chicago, IL
Registered: May 2003


 - posted 07-12-2004 05:28 PM      Profile for Philip Wittlief   Author's Homepage   Email Philip Wittlief   Send New Private Message       Edit/Delete Post 
The two black rollers after the intermittent on my DP70's are not rolling constantly. They do spin, but the tension of the film usually doesn't keep them moving. What should I do about this?

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Paul Vollmers
Expert Film Handler

Posts: 161
From: Sister Lakes, MI, USA
Registered: Jul 2001


 - posted 07-12-2004 05:58 PM      Profile for Paul Vollmers   Email Paul Vollmers   Send New Private Message       Edit/Delete Post 
Try taking them off and cleaning them........check for rust on the shaft.

Paul

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16160
From: Bountiful, Utah
Registered: Jun 99


 - posted 07-12-2004 07:45 PM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
These two rollers should turn with film motion!! If they don't then a flat spot will eventually be worn on them. So definately clean the bores and if the shafts are badly worn they will either have to be replaced or polished to eliminate the wera if it can be. They should have an exceptionally smooth finish, almost mirror-like to them. Normally the black rollers do not require any lubrication but on occasion I find that it helps a bit if you use a tiny amount of synthetic oil on the shafts. This sort of maintainance should be done once a year to all the DP-70 delrin rollers.

Mark @ CLACO

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