Craftsman 26302 Operation Manual - Page 21

WOODRILLING Fomr aximupmerformanucseeh, ighspeesdteeol rbradpoinbtitsforwoodrilling. mBegidnrillinagtaverylowspeetdoprevetnhtebitfromslippinogffthestartinpgointin, crease speeadsthedrilbl itbitesintothematerial. mWhednrillin"gthroughho"lesp,lacaeblocokfwoobdehintdheworkpietcoeprevernatgged orsplinteredgeosnthebacskideofthehole. METAL DRILLING For maximum performance, use high speed steel bits for metal or steel drilling. m When drilling metals, use a light oil on the drill bit to keep it from overheating. The oil will prolong the life of the bit and increase the drilling action. H! Begin drilling at a very low speed to prevent the bit from slipping off the starting point. m Maintain a speed and pressure which allows cutting without overheating much pressure will: - Overheat the drill. the bit. Applying too - Wear the bearings. - Bend or burn bits. - Produce off-center or irregular-shaped holes. MASONRY DRILLING For maximum performance, use carbide-tipped masonry bits when drilling holes in brick, tile, concrete, etc. m Maintain a speed and pressure which allows cutting without overheating Applying too much pressure will: - Overheat the drill. the bit or drill. - Wear the bearings. - Bend or burn bits. Produce off-center or irregular-shaped holes. ! Apply light pressure and medium speed for best results in brick. H! Apply additional pressure for hard materials such as concrete. m When drilling holes in tile, practice on a scrap piece to determine the best speed and pressure. Begin drilling at a very low speed to prevent the bit from slipping off the starting point. _pWowAeRrN|tNooG: operaAtlwoanysorwweahrensabfeotwy gnogggdluesst. ofr ospaeferatyt golnasssesduswtyit,h assidoe wsehaier ldas dudsutrinmgask. _qWuaAlifRieNd|NGs:erviceToteecnhsnuicriaen safaettySeanrsd rSeeliravbicileity,Ceanltler.epairs should be performed by a 21