Under Rails

Setting Impresion Bearings

Hello All, I’m having a grand old time trying to set the bearings on my Challenge 15mp and it’s been over two weeks of adjusting, proofing and re-adjusting. The main issue I’m finding is that my carriage shifts once the rear impression bearing comes in contact with the rail, causing the rollers to rise and …

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SP-15 Cylinder Carriage Bearings Issues

I undertook the arduous task of adjusting the 6 cylinder carriage bearings on my SP15, after still experiencing uneven inking and impression with newly recovered rollers. Thanks especially to Gerald’s comprehensive “Adjusting Cylinder Carriage Bearings” article, without which I never would have undertaken the ordeal: Adjusting Cylinder Carriage Bearings … And with Fritz’s recently found …

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Vandercook 03 – Impression roller and bearings

I am wondering about the impression roller (I don’t know if this is the right name) on this press. I’ve noticed that mine is a bit damaged, with some traces of scoring. I am worried this might cause uneven impression. Is this a roller that can be recovered or is this not a replaceable part? I …

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Wear under the top rail on the Vandercook and Challenge Presses

We are working on a workaround for the wear under the top rail on the Vandercook and Challenge presses. This wear will produce metal flakes when you wipe a rag along the rail. On some presses it will cause light and dark spots on your printed matter. If you are having this problem, please let …

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