TM 9-243USING A SOLID STRAIGHT - HOLE REAMER - Continued4Turn the wrench clockwise with a steady, firm pres-5Remove the reamer from the hole by turning thesure until the reamer has been turned in the hole.wrench clockwise and raising the reamer at theWhen reaming steel, use cutting oil or machine oil tosame time.lubricate the tool. When reaming soft iron, do notlubricate the tool. Turning the wrench too fast or tooslowly will cause the reamer to chatter, producingan unevenly reamed hole.CARE OF REAMERS1.2.3.4Keep reamers absolutely clean to do accurate work.Do not use the reamer to remove more than 0.002 to0.003 inches of metal. If the hole is too small,enlarge it with a drill before reaming it.If the proper pressure is applied in use and thereamer chatters, replace it to insure accurate work.If the reamer edges are only slightly dulled, honingthe edges on an oilstone may restore the sharp-ness. On an adjustable reamer, the blades may bereplaced.5.6.7.To prevent chipping or dulling the reamer when youare reaming a hole, turn the reamer in the cuttingdirection only.To prevent damage to the reamer for short-termstorage, wrap it in an oily cloth and keep it in a box.For long-term storage, clean reamer thoroughly andcoat with rust-preventive compound. Wrap eachreamer separately in oiled cloth and store in a dry,safe place.39-4
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