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Lyman Universal Power Trimmer Instructions Manual

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    Page 1 UNIVERSAL POWER TRIMMER Introduction Because a metallic cartridge case stretches after a number of firings, it becomes necessary to trim it to proper length so it will chamber properly. Your Lyman Universal Power Trimmer is designed to do that chore with ease and precision. Its patented Universal chuckhead accepts all U.S. metallic cartridge cases except .50/70 Government and cartridges of similar rim diameter. Conversion to another caliber is quick and easy, since you need change only the pilot. Be sure...
    Page 2 reloaders prefer to clamp their Trimmers in a vise and this com- posite board can be held firmly in the vise jaws without damag- ing the Trimmer’s casting. You may, of course, discard this board, since it is part of the product packaging for safe shipment. Installing the Pilot With the unit unplugged, loosen the lock screw on the Case Trimmer’s cutter head. Select the appropriate caliber of pilot and insert it all the way into the cutter head (see Figure A). Now tighten the lock screw. Preparing the...
    Page 3 certain the cutter face is positioned against the mouth of the cartridge case and slide the adjust- ment collars in tight against the side of the Trimmers base casting. Tighten the lock screw in the small ring. Beyond this point, fine adjustment is all that is necessary. Fine adjustment is accomplished by turning the large collar counter-clockwise. One complete revolution of the large ring equals approximately .020” change in cutting depth. Latter models have a series of indicators each representing .001...
    Page 4 Caution This high speed device cleans primer pockets quickly, with a light touch. It is easy to enlarge primer pockets so don’t overdo it! Maintaining Your Trimmer Powdered graphite or light oil on the stop collar shaft assembly will provide proper lubri- cation for smooth operation and protection against rust. Keep the unit dust-free by covering it when not in use. The electric motor requires no lubrication. Changing the Cutter Heads If it becomes necessary to change the cutter head, this can be done by...
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