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Instructions for Using and Maintaining DURSTON Rolling Mills  Page 2 of 7
(Including ideas of some techniques of jewellery manufacturing)

....thank you for choosing your Durston Rolling Mill which will give you many years of trouble free and high performance use.

INSTRUCTIONS / MAINTENANCE FOR HAND OPERATED ROLLING MILLS

Removal of rust preventive paper and rust preventive liquid from rolls

Please unpack machine very carefully. After taking machine out of box, attach the turning lever (Please see separate sheet for instructions). Now open the rolls up approximately 1 turn of the hand wheel and remove the rust protective paper. You will now need to remove the rust preventive liquid on the rolls. Apply some white spirit (ordinary household paint solvent) onto a clean cloth and hold the cloth into the gap of the rolls and roll backwards. Do not use any stronger liquid than white spirit i.e. lacquer thinners. It will take a little longer on the grooves as you have to do one at a time

General

All machines have calibrated discs fitted to the top and are marked in 0.001" and 0.025mm increments and give the roll gap. These discs are useful for repetition work and will assist in providing a constant product size.

See separate instructions for the Power Rolling Mills.

MINI MILL 80mm and 100mm

  • The bearings are self lubricating and need no maintenance.

  • The drive gears at left hand end (behind the cover "A") should be greased every 6 months. Remove the circlips and extension rollers and then the two screws for the cover for access to the 2 gears. Use standard gear grease.

  • Oil the 4 end faces of the rolls daily. ("F") See enlarged view of rolls on page 3.
Minimill

DRM 100mm, 130mm and 150mm

  • The bearings are self-lubricating and need no maintenance.

  • The drive gears at left hand end (behind the cover "A") should be greased every 6 months. Remove the circlips and extension rollers and then the two screws for the cover for access to the 2 gears.
    (On the economy models you will only need to remove the two screws.) Use standard gear grease.

  • The gearbox at the right hand end ("B") should be greased every 6 months. Remove the lever. Slacken the 10mm set screw first (5mm Allan key). The lever should slide off. If not, gently tap it. Now remove the four 5mm cap screws (4mm Allan key). The lid of the gearbox should now come off. You may need to gently tap this as well. Use standard gear grease.

  • Oil the 4 end faces of the rolls daily. ("F") See enlarged view of rolls on page 3.
DRM 100, 130, 150mm

D2 120mm, 140mm and 158mm

  • The bearings are self-lubricating and need no maintenance.

  • The drive gears at left hand end (behind the cover "A") should be greased every 6 months. Remove the circlips and extension rollers and then the two screws for the cover for access to the 4 gears.

  • The gearbox at the right hand end ("B") should be greased every 6 months. Remove the circlip (black ring) and then the lever with the gear attached. Now remove the two 6mm nuts and washers (10mm spanner). The cover can now be removed. Use standard gear grease.

  • Oil the 8 end faces of the rolls daily. ("F") See enlarged view of rolls on page 3.
D2 120, 140, 158mm

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Durston Rolling Mills - British Made - In use Worldwide - Registered British Design

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