Craftsman 10 pc. Drill Out, Micro Drill Out and Screw Out Set Owner's Manual
Contents
1. required For example if the broken bolt is 1 4 or 6mm use the the 1 4 M6 extractor Note Impact or high HP drills may damage extractors Unplug drill Insert hex shaft into chuck Tighten chuck jaws against hex shaft flats Jaws should enclose entire hex shaft only Do not allow jaws to close beyond hex shaft flats Turn collet back against the drill chuck Plug drill in Make sure drill is set to reverse Place tip of extractor cutter on the center of the broken bolt and begin drilling at the suggested speed listed in Table 1 When drilling never let cutter revolve against the bolt without cutting Table 1 Drilling Speed Extractor Size 1 4 6mm 5 16 8mm 3 8 10mm 1 2 12mm Low to Medium After you have started the hole stop drilling and make sure that you are drilling into the center of the broken bolt If you are not centered angle the drill toward the center of the bolt and drill until the point of the drilled hole is on center The most important concern in extracting a broken bolt is to drill the hole on center and straight Once you are satisfied you are drilling on center hold the drill parallel to the axis of the broken bolt and continue drilling Do not allow the collet to slip down towards the cutter while drilling If it does stop and unplug drill and turn the collet back against the chuck Stop drilling every 10 seconds or 1 16 2mm of depth to clean out chips2. the remover will dig into the screw and begin to remove it Drill Chuck Always running in reverse Damaged Pa screw head KALKK ROKK POSE XSAN REO Extractor gt End SNNN Figure 2 Removing damaged screw Once the screw starts to turn out reduce the downward pressure as needed to pre vent it from bending over Push harder if the tip of the remover is slipping It is important to use very slow drill rotation for the re mover to work successfully and last longer Helpful Hints e f the screw does not come out try using the smallest size remover then work up in size e Push firmly and keep the drill running very slowly Sears Roebuck and Co Hoffman Estates IL 60179 Printed in the U S A
3. CRAFTSMAN 92158 DRILL OUT MICRO POWER EXTRACTOR WARNING To prevent serious eye injury always use protective eye wear when working with or near cutting tools CAUTION To prevent personal injury or product damage read all the following instructions before first use of this tool 1 10 lt ERS tt o tt ttt Extractor Round Hex Cutter End Shaft Shaft End Figure 1 Extractor Obtain a corded or battery powered variable speed reversible power drill 1 4 or 3 8 and set and keep it in reverse counterclockwise for all extractor operations Note Impact or high horsepower drills may damage extractors If you are sure of the screw size choose the same size extractor If you have to measure the screw diameter use the table below to choose the correct extractor Screw Diameter Micro Extractor Inches Size Unplug drill Insert round shaft into drill chuck and tighten chuck jaws securely See Figure 2 Extractor End Drill Chuck Always running in reverse Drill to point where hex shaft begins Broken Screw Figure 2 Drilling Plug drill in Make sure drill is set to reverse Place tip of cutter on the center of the broken screw and begin drilling at very low speed approximately 70 to 100 rpm When drilling never let cutter revolve against the bolt without cutting After you have started the hole stop drilling and make sure that you are drilling into the center of the broken screw If you ar
4. and add cutting oil to hole Verify each time that you are drilling on center and straight Stop drilling just before you reach the front of the collet DO NOT let collet touch the end of the bolt See Figure 2 Clean out chips from hole and apply pene trating oil around the edges of the broken bolt to help loosen it Figure 2 Drill Always Drilling In Reverse Surrounding Metal 12 Unplug drill Turn the collet five turns forward from the drill chuck 13 Bring drill to suggested speed listed in Table 2 Faster speeds than listed may break the extractor Holding the drill firmly with both hands plunge extractor into the hole while applying pressure toward the broken bolt the bolt is automatically extracted See Figures 3 and 4 Table 2 Extracting Speed Extractor Size 1 4 6mm 3 8 10mm Mediurn 1 2 12mm Medium to High Figure 3 Figure 4 Plunging Extracting te o k lt RASS rill Always TE Fa In Reverse a Pressure Bolt va 7 Extracting oF x 14 To remove extractor from extracted bolt firmly tighten bolt in a vise Using a wrench on the square collet head remove the extractor by turning it clockwise 15 If drill stalls during extraction hand removal of bolt is possible Leave extractor lodged in bolt loosen chuck and remove drill from extractor 16 Look to see if you have drilled exactly on center If so use a wrench on t
5. e not centered angle the cutter tip toward the center of the screw and drill until the hole is on center The most important concern in extracting a broken screw is to drill the hole on center and straight Once you are satisfied you are drilling on center hold the drill parallel to the axis of the broken bolt and continue drill ing at very slow speed DO NOT drill at medium or high speed Stop drilling every 10 seconds or 1 16 2mm of depth to clean out chips and add cutting oil to hole Verify each time that you are drilling on center and straight Stop drilling when you reach the point where hex shaft begins Clean out chips from hole and apply penetrating oil around the edges of the broken screw to help loosen it 11 Unplug drill Remove the extractor from the drill chuck turn it around insert hex shaft into chuck jaws and tighten securely 12 Plug drill in Holding the drill firmly with both hands place extractor end into the drilled hole Apply pressure to wedge the extractor end into the hole Then slightly touch down on the drill trigger while applying pressure toward the broken screw the screw is automatically extracted See Fixture 3 Use only extremely low speed when extracting approximately 30 to 70 rpm Apply constant pressure toward broken screw Cutter End Drill Chuck Always running in reverse Broken NY Screw Figure 3 Extracting 13 To remove extractor from extracted bolt firmly
6. he square collet head Turn it counterclockwise to remove the broken bolt Do Not apply excessive force or you may damage the extractor 17 If you get a lot of resistance when using a wrench you may have drilled off center and the extractor cutter is biting on the surrounding metal you may be in an impossible situation If so using a wrench on the square collet head remove the extractor by turning it clockwise Helpful Hints e Before drilling center punch bolt to help loosen it e Use penetrating oil or heat before drilling to help loosen rusted or chemically bonded bolts e When bolt is broken belovw a flange e Reverse collet direction on shaft so that square collet head is flush to cutter then perform Step 3 e Insert extractor through flange hole until cutter makes contact with broken bolt Drill at rpm in Table 1 until hole is started Collet head should help center the extrac tor in flange hole e Unplug drill Remove extractor from hole and drill Reverse collet direction on shaft so that collet head faces chuck e Perform extracting process beginning with Step 3 and following SCREW OUT Damaged Screw Removers WARNING Always wear safety glasses gloves proper fitting protective clothing and remove all jewelry when working near or with power tools Never place yourself or another person in the path of the applied pressure to the damaged screw Be certain your work is secured and could not s
7. pin free while using the SCREW OUT Read your hand drill owner s manual for its proper use CAUTION To prevent personal injury or prod uct damage read all the following instructions before first use of this tool ej eee em Remover Round Hex End Shaft Shaft Figure 1 Remover 1 Obtain a corded or battery powered variable speed reversible power drill 1 4 or 3 8 and set and keep it in reverse counter clockwise for all remover operations If your drill has a low speed set it to low Set torque control to maximum or to drilling mode 2 If you are sure of the screw size use the table below to choose the correct remover if you are not start out using No 1 remover and move up in size if it does not remove the screw 10 14 Turn drill OFF unplug if corded Insert hex shaft into drill chuck and tighten chuck jaws securely The hex shaft will also fit a stan dard 14inch bit holder not provided It can also be used with 14 inch hex holding screw drivers Start drill running very slowly Place the tip of the remover onto the center of the damaged screw Apply firm pressure and add power at extremely low speed approximately 30 to 70 rpm Maintain a firm pressure towards screws If the tool does not grab the top of the screw apply more pressure to it and tilt the drill about 5 to 10 degrees from its centerline Do not increase the revolutions of the drill Properly used the edges of
8. tighten screw in a vise Using a wrench on the hex shaft remove the extractor by turning it clockwise 14 If drill stalls during extraction hand removal of bolt is possible a Leave extractor lodged in bolt loosen chuck and remove drill from extractor b Look to see if you have drilled exactly on center If so use a wrench on the square collet head Turn it counter clockwise to remove the broken bolt Do not apply excessive force or you may damage the extractor c If you get a lot of resistance when turning the wrench you may have drilled off center and the extractor Cutter is biting into the surrounding metal You may be in an impossible situation If so remove the extractor by turning the wrench clockwise Helpful Hints e Before drilling center punch screw to help loosen it e Use penetrating oil or heat before drilling to help loosen rusted or chemically bonded screws CRAFTSMAN DRILL OUT POWER EXTRACTOR WARNING To prevent serious eye injury always use protective eye wear when working with or near cutting tools CAUTION To prevent personal injury or prod uct damage read all the following instructions before first use of this tool Hex Shaft Collet Figure 1 Extractor Obtain a corded 3 8 variable speed reversible power drill and set and keep it in reverse counterclockwise for all extractor operations on Measure the diameter of the broken bolt to determine the extractor size
Download Pdf Manuals
Related Search