Craftsman 351243981 User Manual 18 3 SPEED BAND SAW Manuals And Guides L0803547
CRAFTSMAN Saw Band Manual L0803547 CRAFTSMAN Saw Band Owner's Manual, CRAFTSMAN Saw Band installation guides
User Manual: Craftsman 351243981 351243981 CRAFTSMAN 18 3 SPEED BAND SAW - Manuals and Guides View the owners manual for your CRAFTSMAN 18 3 SPEED BAND SAW #351243981. Home:Tool Parts:Craftsman Parts:Craftsman 18 3 SPEED BAND SAW Manual
Open the PDF directly: View PDF 
.
Page Count: 24
| Download | |
| Open PDF In Browser | View PDF |
Operator's Manual CRRFTSHRN 1 8" 3 Speed BAND SAW Model No. 351.243981 CAUTION: Read and follow all Safety Rules and Operating Instructions before First Use of this Product. Sears, Roebuck and Co., Hoffman 8660.01 Draft (04/10/97) Estates, IL 60179 U.S.A. PREPARE Warranty.................................. 2 SafetyRules.............................. 2-3 Unpacking ................................. 3 Assembly ................................ 3-4 Installation ............................... 5-6 Operation ................................ 6-9 Maintenance ............................... 9 Troubleshooting ............................ 10 PartsIllustration andListforMotor........... 12-13 PartsIllustration andListforFront............ 14-15 PartsIllustration andListforBladeGuides..... 16-17 PartsIllustration andListforTable........... 18-19 PartsIllustration andListforGearBox........ 20-21 WORK AREA FOR JOB • Keep work area clean. Cluttered work areas invite accidents. • Do not use power tools in dangerous environments. Do not use power tools in damp or wet locations. Do not expose power tools to rain. • Work area should be properly lighted. • Proper electrical receptacle should be available for tool. Three-prong plug should be plugged directly into properly grounded, three-prong receptacle. • Extension cords should have a grounding prong and the three wires of the extension cord should be of the correct gauge. • Keep visitors at a safe distance from work area. • Keep children out of workplace. Make workshop childproof. Use padlocks, master switches or remove switch keys to prevent any unintentional use of power tools. TOOL SHOULD BE MAINTAINED FULL ONE YEAR WARRANTY ON CRAFTSMAN BAND SAW If within one full year from the date of purchase, this Craftsman Band Saw fails due to a defect in material or workmanship, Sears will repair it free of charge. Warranty service is available by contacting Sears inhome major brand repair service. This warranty gives you specific legal rights and you may also have other rights which vary from state to state. • Always unplug tool prior to inspection. • Consult manual for specific maintaining and adjusting procedures. • Keep tool lubricated and clean for safest operation. • Remove adjusting tools. Form habit of checking to see that adjusting tools are removed before switching machine on. • Keep all parts in working order. Check to determine that the guard or other parts will operate properly and perform their intended function. • Check for damaged parts. Check for alignment of moving parts, binding, breakage, mounting and any other condition that may affect a tool's operation. • A guard or other part that is damaged should be properly repaired or replaced. Do not perform makeshift repairs. (Use parts list provided to order replacement parts.) If this Band Saw is used for commercial purposes, this warranty applies for only 90 days. Sears, Roebuck and Co., Dept. 817 WA, Hoffman Estates, IL 60179 WARNING: For your own safety, read all of the instructions and precautions before operating tool. CAUTION: Always follow proper operating procedures as defined in this manual -- even if you are familiar with use of this or similar tools. Remember that being careless for even a fraction of a second can result in severe personal injury. BE PREPARED KNOW HOW TO USE TOOL FOR JOB • Use right tool for job. Do not force tool or attachment to do a job for which it was not designed. • Disconnect tool when changing blade. • Avoid accidental start-up. Make sure that the tool is in the "off" position before plugging in. • Do not force tool. It will work most efficiently at the rate for which it was designed. • Keep hands away from moving parts and cutting surfaces. • Wear proper apparel. Do not wear loose clothing, gloves, neckties, rings, bracelets or other jewelry which may get caught in moving parts of machine. • Wear protective hair covering to contain long hair. • Wear safety shoes with non-slip soles. • • Wear safety glasses complying with United States ANSI Z87.1. Everyday glasses have only impact resistant lenses. They are NOT safety glasses. Never leave tool running unattended. Turn the power off and do not leave tool until it comes to a complete stop. • Do not overreach. Keep proper footing and balance. • Wear face mask or dust mask if operation is dusty. • • Be alert and think clearly. Never operate power tools when tired, intoxicated or when taking medications that cause drowsiness. Never stand on tool. Serious injury could occur if tool is tipped or if blade is unintentionally contacted. 2 • Know your tool. Learn the tool's operation, application and specific limitations. • Use recommended accessories (refer to page 15). Use of improper accessories may cause risk of injury to persons. • Handle workpiece correctly. Protect hands from possible injury. • Turn machine off if it jams. Blade jams when it digs too deeply into workpiece. (Motor force keeps it stuck in the work.) Do not remove summed or cut off pieces until the saw is turned off, unplugged and the blade has stopped. WARNING: The operation of any power tool can result in foreign objects being thrown into the eyes, which can result in severe eye damage. Always wear safety goggles complying with United States ANSI Z87.1 (shown on package) before commencing power tool operation. Safety goggles are available through your Sears catalog. IMPORTANT: Table is coated with a protectant. To ensure proper fit and operation, remove coating. Coating is easily removed with mild solvents, such as mineral spirits, and a soft cloth. Avoid getting solution on paint or any of the rubber or plastic parts. Solvents may deteriorate these finishes. Use soap and water on paint, plastic or rubber components. After cleaning, cover all exposed surfaces with a light coating of oil. Paste wax is recommended for table top. WARNING: Never use highly volatile solvents. Non flammable solvents are recommended to avoid possible fire hazard. Refer to Figure 5, 6, 8, 9 and 10. CAUTION: Do not attempt assembly if parts are missing. Use operator's manual to order replacement parts. ATTACH TABLE Refer to Figure 9. • Remove the upper trunnion from the lower trunnion (Key Nos. 2 and 9) by removing knob (Key No. 11) Check for shipping damage. If damage has occurred, a claim must be filed with carrier. Check for completeness. Immediately report missing parts to dealer. • Secure knob back onto carriage bolt (Key No. 7). • Remove 4 hex head bolts and flat washers (Key Nos. 3 and 4) from bottom of table The band saw comes assembled as one unit. Additional parts which need to be fastened to the saw should be located and accounted for before assembling: A Table assembly B V-belt C Motor pulley with set screw D Rip fence with knob E Miter gauge assembly F Handwheel G Motor mounting hardware Not shown: Motor wiring bag: strain relief, serrated washer and wire nuts • Position upper trunnion above four tapped holes in bottom of table and secure with 4 hex head bolts and flat washers • Remove the table stud (Key No. 15) from the table. • Position the table assembly so that blade slides into table slot. Remove knob and position upper trunnion on top of lower trunnion. Make sure table assembly tilts smoothly on lower trunnion and secure by tightening knob. Replace table stud. Refer to Figure 1. SET HORIZONTAL Refer to Figure 9. • • A STOP D When table is attached to frame, a bolt (Key No. 13) is used for a horizontal stop. Loosen trunnion knob and set table at 90 ° to blade using a square. • Secure position of table with knob. • Adjust bolt to contact bottom edge of table. • Lock bolt in position with hex nut (Key No. 14). ATTACH RIP FENCE Refer to Figure 9. Figure 1 - Unpacking • Rip fence (Key No. 5) rides in the slot of table (Key No. 1). • Slide rip fence into slot. • Hold rip fence to table and fasten by threading knob (Key No. 6) into rip fence. • Rip fence can be repositioned by loosening knob. ALIGN TABLE Blue Refer to Figure 9. Black • • • The table must be aligned properly so that the blade is at a right angle to the table and that the rip fence is aligned with the blade. 115 Volts Red Lock the table in the horizontal position. Mount the rip fence on the table. Slide the rip fence next to, but not touching, the blade. Lock the rip fence. White Yellow Check that the blade is aligned parallel with the rip fence. If the blade and fence are not parallel, loosen the four hex head bolts (Key No. 3) that secure the upper trunnion to the table. Adjust the table position so that the blade and rip fence are parallel. Secure the table position by tightening the four hex head bolts. • After assembly, the table has to be aligned in order to have the blade running through the center of the slot in the table insert. • To move table sideways, loosen the four hex nuts (Key No. 14) on the lower trunnion. Move table to left or right until blade runs through the center of slot. Tighten hex nuts and make sure that table stays in position while nuts are being tightened. f Orange Figure 2 -Wiring Schematic WARNING: All electrical connections must be performed by a qualified electrician. GROUND MOTOR Green wire of motor cord and serrated washer must be connected to motor body. Remove green grounding screw located in connection box of motor. Position green wire ring terminal onto grounding screw and serrated washer next to ring terminal. Secure serrated washer and green wire in motor cord to motor body. NOTE: Be sure that the serrated washer is secured directly in contact with motor body. ATTACH HANDWHEEL INSTALL Refer to Figure 7. Refer to Figure 10. Slide handwheel (Key No. 23) onto threaded shaft (Key No. 22). Secure handwheel by tightening set screw (Key • Slide motor pulley (Key No. 26) onto motor shaft with key in motor shaft groove and motor pulley keyway. • Use straightedge across outer surface of both motor and idler pulley (Key No. 23) to make sure motor pulley and idler pulley are parallel. • If the motor pulley and idler pulley are not parallel, the band saw may develop excessive vibration. Reposition motor if necessary. • When pulleys are aligned, secure the position of the motor pulley with set screw (Key No. 29). No. 6). MOUNT MOTOR Refer to Figure 6. • Mount motor to motor mount plate (Key No. 9) using carriage bolts, lock washers, and hex nuts provided (Key Nos. 19, 21 and 22). • Finger tighten hex nuts. Motor will need to be repositioned to obtain proper V-belt tension. MOTOR PULLEY INSTALL V-BELT WIRE MOTOR Refer to Figures 5, 6 and 10. Refer to Figures 2 and 6. The motor should be wired for 115 volts and counterclockwise rotation as viewed from shaft end of motor. A schematic supplied with motor will describe proper wiring procedures. Be sure to wire motor for counterclockwise rotation facing shaft end. Remove thin hex nut from strain relief. Insert strain relief into Ys"knockout in shaft side of motor connection box. Secure with thin hex nut. Pass motor cord through strain relief. Secure motor cord by tightening thick hex nut. Connect and insulate wires properly using wire nuts provided. Wire motor to motor cord using the schematic shown in Figure 2. • Band saw uses a step-pulley drive system to provide a selection of blade speeds. • Loosen hex head bolt and hex nut (Figure 6, Key Nos. 11 and 14). Place V-belt (Figure 10, Key No. 25) on idler pulley and motor pulley (Figure 10, Key Nos. 23 and 26) with V-belt in desired location on pulleys. (See Figure 5, Blade Speeds, page 8.) • Do not over tighten V-belts. Excessive tension on Vbelt will reduce life of belt. Belt is properly tensioned when light pressure applied to midpoint of the belt produces about W' deflection. • Tension V-belt by pushing down on motor mount plate and tightening hex head bolt and hex nut. MOUNT 4 SAW TO FLOOR • If saw is not properly positioned on a flat surface, it may develop excessive vibration. • Mount to a flat, level surface through holes on top of base. will not fit in outlet, have proper outlet installed by a qualified electrician. Inspect tool cords periodically, and if damaged, have them repaired by an authorized service facility. Refer to Figures 3 and 4. MOTOR The 115 Volt AC motor has the following specifications: Horsepower ................................ 1 Voltage ................................. 115 Amps ................................... Hertz .................................... 11 60 Phase ................................ RPM .................................. POWER Single 1800 SOURCE The motor is designed for operation on the voltage and frequency specified. Normal loads will be handled safely on voltages not more than 10% above or below the specified voltage. Green (or green and yellow) conductor in cord is the grounding wire. If repair or replacement of the electric cord or plug is necessary, do not connect the green (or green and yellow) wire to a live terminal. Where a 2-prong wall must be replaced with receptacle installed in Code and local codes WARNING: This work should be performed by a qualified electrician. A temporary 3-prong to 2-prong grounding adapter (see Figure 4) is available for connecting plugs to a two pole outlet if it is properly grounded. Grounding Lug Running the unit on voltages which are not within the range may cause overheating and motor burn-out. Heavy loads require that the voltage at motor terminals be no less than the voltage specified. Power supply to the motor is controlled by a double pole locking rocker switch. Remove the key to prevent unauthorized use. GROUNDING receptacle is encountered, it a properly grounded 3-prong accordance with National Electric and ordinances. Adapter __,z_._ 3-Pron_., Check with a qualified electrician if grounding instructions are not understood or if in doubt as to whether the tool is properly grounded. This tool is equipped with an approved 3 conductor cord rated at 150V and a three prong grounding type plug for your protection against shock hazards. Grounding plug should be plugged directly into a properly installed and grounded 3-prong grounding-type receptacle, as shown (Figure 3). Properly Grounded Outlet 2-Prong Receptacle Figure 4 - 2-Prong Receptacle with Adapter Do not use a 3-prong to 2-prong grounding adapter unless permitted by local and national codes and ordinances. (A 3-prong to 2-prong grounding adapter is not permitted in Canada.) Where permitted, the rigid green tab or terminal on the side of the adapter must be securely connected to a permanent electrical ground such as a properly grounded water pipe, a properly grounded outlet box or a properly grounded wire system. Many cover plate screws, water pipes and outlet boxes are not properly grounded. To ensure proper ground, grounding means must be tested by a qualified electrician. EXTENSION • Grounding Prong • 3-Prong Plug__ Figure 3 - 3-Prong Receptacle Do not remove or alter grounding prong in any manner. In the event of a malfunction or breakdown, grounding provides a path of least resistance for electrical shock. WARNING: Do not permit fingers to touch the terminals of plug when installing or removing from outlet. Plug must be plugged into matching outlet that is properly installed and grounded in accordance with all local codes and ordinances. Do not modify plug provided. If it Make Sure This Is Connected To A Known Ground .)_ INSTRUCTIONS WARNING: Improper connection of equipment grounding conductor can result in the risk of electrical shock. Equipment should be grounded while in use to protect operator from electrical shock. _ • CORDS The use of any extension cord will cause some drop in voltage and loss of power. Wires of the extension cord must be of sufficient size to carry the current and maintain adequate voltage. Use the table to determine the minimum wire size (A.W.G.) extension cord. • Use only 3-wire extension cords having 3-prong grounding type plugs and 3-pole receptacles which accept the tool plug. • If the extension cord is worn, cut or damaged in any way, replace it immediately. EXTENSION CORDLENGTH WireSize A.W.G. Upto 50ft................................ 16 50-100ft.................................. 14 NOTE:Usingextension cordsover100ft.longis not recommended. • Support workpiece properly and use a smooth steady feed to guide work through the cut. Use push sticks or push blocks when required. • Keep hands away and out of line with moving parts. • Always wear eye protection. REMOVING BLADE Refer to Figures 7 and 9. WARNING: Disconnect band saw from power source when changing or adjusting blades. Wear leather gloves when handling band saw blades. Never wear gloves when operating saw. Referto Figures5,6,7, 8, 9 and10. The18",3-speedverticalbandsawforcuttingferrous andnon-ferrous metals.Thebandsawfeaturesa unitizedframeof weldedsteelconstruction anda solid castironworksurfacetoensuredurability. Tabletiltsto 45° andhasa mitergaugeandprecision machinedripfenceforperforming manydifferentoperations.Eighteeninchbalancedcastaluminum wheels withballbearingsandrubbertreadsaccommodate bladewidthsupto 1". A convenient tensioning andtrackingmechanism assuresthatchangingbladesis notcumbersome. Saw canalsoaccommodate bladewidthsupto 1"formany typesofcuts. • INSTALLING SPECIFICATIONS Depth of throat .......................... 11" Table size ............................ 18 x 19" Table tilt ............................. 0 to 45 ° Wheel diameter ........................... 18" Blade length ............................ Blade width ........................... Blade speeds ............... Overall dimensions ................ Motor ........................ ........................ Blades ......... ............... • Although many of the adjustments may not be altered when blade is removed, every adjustment should be checked prior to using a newly installed blade. • Follow safety precautions every time saw is operated. • Make sure blade teeth are pointing down towards table. Turn blade inside out if necessary. • Slip new blade into table slot and over upper and lower blade wheels and center blade on blade wheels. Slide blade in between blade guides. Replace table stud. • Tension and track blade as described in the following sections. 133" TENSIONING _6 to 1" 75 x 32Y2 x 22" Part No. 6501.00 TEFC, 1 HP, 1800 RPM • Tension blade by rotating handwheel (Key No. 23). Be sure blade guides do not interfere with blade path. • Tighten blade until it is properly tensioned. • A properly tensioned blade will ring slightly when back of blade is plucked (like a string on an instrument). No. 26657, _/4"Carbon Blade, 10 TPI No. 22658 _/4"Carbon Blade 14TPI NOTE: Check tension of new blade. Additional tension may be required after a few minutes of operation. TRACKING Make sure that blade guides and thrust bearings are positioned and adjusted correctly to prevent sideways and rearward movement of the blade. Adjust upper guide to just clear workpiece. Use proper blade and speed for the cutting operation. • After turning saw on, allow blade to come to full speed before attempting any cutting operation. BLADE Refer To Figure 7. Check to make sure blade is tensioned and tracking properly. Do not over tension the blade in order to prevent premature blade wear and breakage. Avoid under tensioning to eliminate back and forth, side to side blade movement as it cuts. • BLADE Refer to Figure 7. 80, 150 and 200 FPM CAUTION: Always observe the following safety precautions: • BLADE • 17%" Maximum depth of cut ...................... Loosen hex nut (Figure 7, Key No. 30) and rotate handwheel (Figure 7, Key No. 23) to release blade tension. Be careful; blade may spring from saw when tension is released. Remove table stud (Figure 9, Key No. 15), take out the released blade and replace with another blade. 6 • Track blade after it has been tensioned. A change in blade tension will affect wheel alignment. • Proper tracking is achieved when drive and idler wheels are aligned. Knob (Key No. 29) is used to tilt tracking bar (Key No. 13) and align blade wheels. • Loosen nut (Key No. 30) which locks tracking knob (Key No. 29). Turn idler wheel (Key No. 7) by hand and observe how blade rides on wheels. • If blade rides away from cabinet, turn knob clockwise to tilt idler wheel up. • If blade rides into cabinet, turn tracking knob counterclockwise. • When blade is tracking properly, lock position by holding knob and tightening nut (Key No. 30) against the cabinet. ALIGNMENT LOWER • Lower blade guides employ two guide blocks for side support. Lower guide bracket (Key No. 33) is spaced close to table surface to minimize unsupported length of blade. • Loosen bolt (Key No. 19) to position lower guide bracket on alignment block (Key No. 31). Adjust lower guide bracket so guide blocks do not interfere with blade set. Loosen set screws (Key No. 23) for guide blocks (Key Nos. 21 and 34) and adjust guide blocks to .002" from each side of blade. • Adjust thrust bearing (Key No. 36) at rear of blade by loosening set screw (Key No. 23). Position thrust bearing .002" away from back of blade. Secure position of thrust bearing by tightening set screw. Refer to Figure 10. • A blade under high tension may also pull drive wheel out of alignment. • Adjust alignment of drive wheel with hex head bolts (Key Nos. 8 and 30). BLADE GUIDES NOTE: Adjust blade guides only after blade has been properly tensioned and tracked. • Blade guides support blade at sides and rear of blade, and prevent twisting or deflection. • Blade guides should not touch blade when no workpiece is in contact with blade. Adjust guides as described in following sections. UPPER BLADE GUIDES Refer to Figure 8. • • • • Upper blade guides employ guide pins for side support and a ball bearing on an adjusting pin at rear. Upper guide bracket (Key No. 13) should be positioned so guide on either side of blade will support as much of blade width as possible without interfering with the tooth set. Adjust bracket depth by loosening bolts (Key Nos. 9 and 12) and sliding brackets into position. Secure position of upper guide casting by tightening bolts. Loosen set screws (Key No. 15) and adjust guide pins (Key No. 14) to side of blade. Use a feeler gauge to check that guide pins are .002" away from blade. • Lock adjustment by tightening set screws. • Adjust thrust bearing (Key No. 17) at rear of blade by loosening set screw (Key No. 15). • Position thrust bearing (Key No. 17) .002" away from back of blade. • • GUIDES Refer to Figure 8. OF DRIVE WHEEL NOTE: Only attempt adjusting drive wheel alignment if blade cannot be properly tracked with tracking adjustment alone. BLADE BLADE • • SELECTION Blades vary depending on type of material, size of workpiece and type of cut that is being performed. Characteristics which make blades different are width, thickness and pitch. BLADE WIDTH • Width of blade describes distance from tip of a tooth to back of blade. • Width of blade will affect rigidity of blade. A wider blade will wander less and produce a straighter cut. Width of blade also limits the smallest radius which can be cut. A W' wide blade can cut about a W' radius. • BLADE THICKNESS • • Blade thickness describes the distance between sides of blade. A thicker blade has more rigidity and stronger teeth. A narrow thick blade would be used to cut curves while a wide thin blade would be used to make long, straight cuts. BLADE PITCH • Pitch describes number of teeth per inch or tooth size. A blade with more teeth per inch will produce a smoother cut. Secure position of thrust bearing by tightening set screw. • The type of material being cut determines number of teeth which should be in contact with work. Adjust the height of upper guide casting to clear the workpiece by W'. Loosen knob (Key No. 30) and rotate height adjustment knob (Key No. 22) until upper blade guide bracket clears workpiece by W'. Tighten knob (Key No. 30). • For soft materials, the proper blade has between 6 and 12 teeth per inch. • When cutting hard materials, where shocking is more detrimental, use a blade with 12 to 24 teeth per inch. • There should always be at least three teeth in contact with cut to avoid shocking blade. • Blade shocking occurs when pitch is too large and blade tooth encounters too much material. This can strip teeth from blade. • Blade manufacturers are prepared to supply information about blades for specific applications. BLADE SPEED • The amount of force with which the blade cuts is determined by speed. • High cutting speeds are used on soft materials where less force is needed and a high rate of material removal is desired. • Low cutting speeds are used on hard materials when more force is required. • To change blade speed, position V-belt in proper configuration (see Figure 5). Reposition and tension V-belt as described in the next section. 80 FPM ................... 150 FPM ................... should be properly supported by support stands. (See Recommended Accessories, page 15.) RIP FENCE Refer to Figure 9. • Rip fence can be used to guide boards with one square edge past blade when table is aligned properly. • Set rip fence to desired width of cut on inside of throat. Remember to include the thickness of material that will be removed by blade. Steel and steel alloys Cast iron and bronze 200 FPM ............. • Use a square to measure from tip of a tooth to fence. Lock fence securely with knob (Key No. 6). • The portion of material between blade and fence is considered the workpiece. Material on outside and behind cut is the scrap material which is being cut off. Use the right hand to keep work against fence. • Do not push on scrap portion of the work. This could pinch or bind blade. • Avoid passing hands beyond the cut. Use push sticks or push blocks to finish cuts and pass workpiece away from blade. Aluminum, brass and copper CONTOUR 80 FPM 150 FPM 200 FPM V-BELT When contour sawing, use both hands to keep workpiece flat against table and guided along desired path. • Avoid positioning hands in line with blade. If hands slip they could contact blade. • Try to stand to front of the saw and use hands over the portion of table which is to right of blade and before cut. • Cut small corners by sawing around them. Saw to remove scrap until desired shape is obtained. Refer to Figures 5, 6 and 10. • Blade speed is determined by the position of the V-belt on the idler and motor pulleys (Figure 10, Key Nos. 23 and 26). Blade speed is changed by changing pulley position of V-belt. • Be sure to disconnect saw from power and turn saw OFF before attempting to change blade speed. • To change blade speed loosen motor mount plate (Figure 6, Key No. 9) by loosening hex nut on hex head bolt (Figure 6, Key Nos. 14 and 11 ). Position Vbelt on motor and idler pulleys as required. See Figure 5, Blade Speeds, for recommended pulley and belt settings. • BEVEL • Contour cutting is done by guiding workpiece freehanded to produce curved shapes. • Beveled cutting can be done by tilting table and using proper work guide method. • Regardless of which work guiding method is used, a workpiece which overhangs table by more than 7" • Perform a bevel operation by tilting table. Loosen knob (Key No. 11) and tilt table to desired position. • Use a square or protractor to set angle and lock table in position with knob. Use caution when supporting work while bevel cutting. Do not allow work to hang on blade. MITER GAUGE TYPE OF CUT Rip fence guides workpiece to produce straight cuts on longer pieces. CUTTING Refer to Figure 9. Tension V-belt by pushing down on motor mount plate and tightening nut on the hex head bolt. Be sure nut and bolt are tight. Belt is properly tensioned when light pressure applied to midpoint of the belt produces about 1/2"deflection. Do not over tighten V-belt. • SAWING • Figure 5 - Blade Speeds REPOSITIONING OPERATION 8 • Use miter gauge for securing and holding workpiece at desired angle to produce angled cuts. Use scale to adjust gauge to desired angle. • Never use miter gauge and rip fence at the same time. The blade might bind in the workpiece. Operator could be injured and/or workpiece could be damaged. BLADE CLEANING BRUSH Refer to Figure 7. • Make sure that brush (Key No. 36) is in contact with wheel to properly remove foreign particles from drive wheel. WARNING: Make certain that unit is disconnected from power source before attempting to service or remove any component. CLEANING • Keep machine and workshop clean. Do not allow sawdust to accumulate on band saw. • Keep wheels clean. Debris on wheels will cause poor tracking and blade slippage. • Keep mechanisms and threaded or sliding surfaces clean and free of foreign particles. • Operate band saw with a dust collector to minimize clean up. LUBRICATION • The shielded ball bearings are permanently ed and require no further lubrication. lubricat- • Small amounts of machine oil can be applied to belt tension mechanisms and threaded or sliding surfaces. • Occasionally apply a coat of automobile type wax to table top to keep it slick and corrosion free. KEEP BAND SAW IN REPAIR • If power cord is worn or cut in any way, have it replaced. • Replace V-belt and blade when they are worn. Replace any damaged or missing part. • Use parts list to order parts. SYMPTOM POSSIBLE Excessive blade breakage 1. Material not secure on table Premature blade dulling CORRECTIVE CAUSE(S) 2. Incorrect speed or feed 3. Blade too coarse for material 4. Incorrect blade tension 5. Teeth in contact with work before sawing 6. Blade rubs on wheel flange 7. Misaligned guides 8. Blade too thick for wheel diameter 1. Squarely place work on table 2. Check Blade Speed (Figure 5, page 8) 3. Use finer pitch blade 4. Tension blade properly; see "Operation" 5. Place blade in contact with work after saw is started and has reached full speed 6. Adjust wheel alignment properly 7. Adjust blade guides properly 8. Use thinner blade 9.Cracking at weld 9. Replace blade 1. Blade too coarse 1. Use finer tooth blade 2. Excessive blade speed 3. Inadequate feed pressure 4. Hard spots or scale in or on material 5. Work hardening of workpiece 6. Blade installed backwards 2. Try lower speed 3. Gently increase pressure 4. Reduce speed; increase rate of feed for scale and change blades for hard spots 5. Increase rate of feed 7. Insufficient blade tension Crooked cuts ACTION 1 .Work not square 2. Rate of feed too great 3. Blade guides not adjusted properly 6. Remove blade, twist inside out and reinstall blade 7. Tension blade properly; see "Operation" 1. Use rip fence; adjust tilt of table at 90 ° to blade 2. Reduce rate of feed 8. Blade guide assembly loose or blade thrust bearing loose 3. Move both guide blocks within .002" from blade (use gauge) 4. Tension blade properly; see "Operation" 5. Adjust upper guide to just clear workpiece by W' 6. Replace blade 7. Check Blade Speed; see Figure 5, page 8 for recommended speeds 8. Tighten blade thrust bearing within .002" behind blade back Rough cuts 1 .Too much speed or feed 2. Blade too coarse 1. Reduce speed or feed 2. Replace with finer blade Blade is twisting or unusual wear on side/back of blade 1. Cut is binding blade 2. Blade guides or bearing worn 3. Blade guides or bearings not adjusted properly 4. Blade guide brackets loose 1, Decrease feed pressure 2. Replace 3. Adjust blade guides; see "Operation" 1 .Teeth too coarse for work 2. Rate of feed too great 3. Vibrating workpiece 4.Teeth filling with material 1. Use blade with finer teeth 2. Decrease feed rate 1. Blade tension too great 2. Blade too coarse for work (typical when cutting pipe) 3. Blade too fine for work (typical when cutting slick or soft material) 4. Excessive dirt and chips 1. Reduce tension on blade 2. Use blade with finer teeth Loose electrical connections Have qualified electrician check electrical connections 4. Insufficient blade tension 5. Upper blade guide too far from workpiece 6. Dull blade 7. Incorrect speed Teeth ripping from blade Motor running too hot Saw will not start 4. Tighten properly 3. Hold workpiece firmly 4. Use blade with coarser teeth 10 3. Use blade with coarser teeth 4. Clean thoroughly; vacuum motor and speed change mechanism Service Record Craftsman Band Saw 11 Model 351.243981 Figure 6 - Replacement Parts Illustration for Motor 25 24 23 9 I I 29 , i6 _ 6..._ f = i 14 1 12 10 11 + _J 12 KEY NO. PART NO. DESCRIPTION QTY. 1 2 3 0423.00 3668.00 0361.00 Switch Switch Plate 5-0.8 x 8mm Pan Head Screw 1 1 8 4 5 6 46-58368-3 STD840407 8586.00 4mm Serrated Washer* 4-0.7mm Hex Nut* Line Cord 2 1 1 7 8 9 8587.01 2434.00 8589.00 Motor Cord Strain Relief Motor Mount Plate 1 2 1 10 11 12 8590.00 8591.00 STD551037 Slide Bracket %-16 x 8" Hex Head Bolt %" Flat Washer* 1 1 4 13 14 15 8592.00 STD541037 8593.00 Spacer %"-16 Hex Nut* Pivot Bracket 1 1 1 16 17 18 8594.00 STD561210 STD835020 Clevis Pin '/8x 1" Cotter Pin* 8-1.25 x 20mm Hex Head Bolt* 1 1 4 19 2O 8624.00 7256.00 8-1.25 x 16mm Carriage Bolt Strain Relief 4 1 21 22 23 STD852008 STD840812 0440.00 8mm Lock Washer* 8-1.25mm Hex Nut* 8 8 1 24 25 26 6501.00 8685.00 8677.00 27 28 29 5199.00 2702.00 0853.00 _16x %_x 3/4"Key Motor With Key 4-0.7 x 15mm Pan Head Screw Strain Relief Plate Wire Nut Cord Clamp 5-0.8 x 15mm Pan Head Screw Standard hardware item available locally. 13 1 1 2 2 1 1 Model 351.243981 Figure 7 - Replacement Parts Illustration for Front 23 _ 6 30 17 28 7 11 39 2 , 41 13 i2 10 6 35 34 8 4 14 29 KEY NO. PART NO. DESCRIPTION 1 2 3 N/A 8596.00 8597.00 Frame 4 5 6 KEY NO. QTY. PART NO. DESCRIPTION QTY. Handwheel 1 Tension Support 6-1.0 x 16mm Hex Hd. Bolt* 1 8 16 8 23 Upper Cabinet Door Lower Cabinet Door 1 1 1 25 5598.01 3610.00 STD833016 3663.00 8304.00 0964.00 Knob (External Threads) Latch 6-1.0 x 6mm Set Screw 2 2 3 26 27 STD851006 STD840610 6mm Flat Washer* 6-1.0mm Hex Nut* 28 1 8598.00 8599.00 3838.00 Idler Wheel Rubber Tread 1 2 2 29 3607.00 8307.00 Tension Nut 7 8 9 Tracking Knob %_"-18 Hex Nut* 1 1 10 11 12 STD315238 8600.00 0341.00 2 1 1 32 10-1.5mm Eye Bolt lOmm Flat Washer* 1 1 13 14 15 3605.01 STD835025 STD315235 STD841015 8499.00 8310.00 10-1.5mm Hex Nut* Drive Wheel 20-1.5mm Hex Nut 1 1 1 3621.00 16 17 18 3608.00 3606.00 3609.00 36 37 8603.00 (Left Hand Thread) Brush Bracket 1 1 38 3619.00 #8-18 x %" Thread 2 19 20 0836.00 STD851008 Upper Cabinet Support 8-1.25 x 70mm Hex Hd. Bolt 8mm Flat Washer* 39 1578.15 Forming Screw 5-0.8 x 8mm Pan Hd. Screw 1 1 STD840812 8601.00 8-1.25mm Hex Nut* Threaded Shaft STD851005 8439.00 5mm Flat Washer* 21 22 4O 41 42 STD840508 17mm Wavy Washer 5-0.8mm Hex Nut* 1 1 3BMI-40 Retaining Ring 6203LL Bearing* Idler Shaft 24 30 31 33 34 3AM1-17 Retaining Ring 1 Tracking Bar 8-1.25 x 25mm Hex Hd. Bolt* 1 8mm Lock Washer* 1 Tracking Adjustment Bracket Tension Bracket 35 1 1 2 2 4 4 1 A Not Shown * Standard hardware item available locally. Recommended Accessories A Support Stand 9_21417 A 3/4"Carbon Blade, IOTPI 9_26657 A 3/4"Carbon Blade, 14TPI 9_26658 15 STD541031 8308.00 STD851010 Model 351.243981 Figure 8 - Replacement Parts Illustration for Blade Guides 20 29 27 28 25 "_ 32 l 4 2 3 __ \ lO 8 14 17 15 18 16 KEY NO. PART NO. DESCRIPTION 1 2 3 9562.00 8605.00 6045.00 Guide Bar Rack 5-0.8 x 20mm Socket Head Bolt 1 1 3 4 5 6 9563.00 3619.00 STD851005 Blade Guard Thread Forming Screw 5mm Flat Washer* 1 2 2 7 8 9 8314.00 8607.00 STD833025 Guide Attaching Bracket Guide Depth Bracket 6-1.0 x 25mm Hex Head Bolt* 1 1 2 10 11 12 STD851006 STD840610 STD833016 6mm Flat Washer* 6-1.0mm Hex Nut* 6-1.0 x 16mm Hex Head Bolt* 13 2 10 13 14 15 8316.00 8317.00 0958.00 Upper Guide Bracket Guide Pin 8-1.25 x 8mm Set Screw 1 2 3 16 17 18 8318.00 STD315205 1434.00 Bearing Pin 6200LL Bearing* 1 1 1 19 20 STD833012 8617.00 21 22 23 8298.00 8320.00 0964.00 24 25 26 STD851010 8322.00 8323.00 27 28 29 1097.00 9564.00 8324.00 30 31 32 8352.00 6376.00 8325.15 33 34 35 8353.00 8354.00 8355.00 36 37 STD315485 STD551031 * QTY. 3CM1-10 E-Ring 6-1.0 x 12mm Hex Head Bolt* Guide Casting Guide Block Knob (Internal Threads) 6-1.0 x 6mm Set Screw lOmm Flat Washer* Pinion Shaft Assembly 3CMI-8 E-Ring 6-1.0 x 35mm Socket Head Bolt Spring Positioning Block Knob (Internal Threads) Alignment Block %6-18 x 1W' Hex Low Head Bolt Lower Guide Bracket Guide Block Bearing pin 608LL Bearing* %6"Flat Washer* 1 1 1 1 6 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Standard hardware item available locally. 17 Model 351.243981 Figure 9 - Replacement Parts Illustration for Table 16 5 10 1 \ 14 I 4 I _\ \ ÷ 14_ 13 I 1 I I 4j,,_ 33 \ 11 / / / 12 18 KEY NO. PART NO. DESCRIPTION 1 2 3 8608.00 5185.02 STD523107 Table 1 Upper Trunnion %6-18 x 3/4"Hex Head Bolt* 4 4 5 6 STD551031 5351.00 0010.00 %6" Flat Washer* 9 Rip Fence Knob 1 7 8 9 STD533120 5186.00 5187.00 %6-18 x 2" Carriage Bolt* Guide Block Lower Trunnion 1 10 11 12 8634.00 3659.00 STD533110 4 x 12mm Spring Pin Knob 1 4 13 14 15 STD523117 STD541031 8331.00 %6-18 x 1" Carriage Bolt* %6-18 x 1_4" Hex Head Bolt* %6"-18 Hex Nut* Table Stud 16 17 18 8609.00 1833.00 1093.00 Table Insert 5-0.8 x 8mm Flat Head Screw Guide 1 19 2O 8256.00 8251.00 Indexing Pin Miter Gauge 1 21 22 23 8250.00 8049.00 STD551025 Miter Gauge Bar #10 Fiber Washer 1 8255.00 8252.00 0133.00 W' Flat Washer* Threaded Pin Knob #10-24 Hex Nut 1 24 25 26 27 28 29 STD511007 8253.00 8254.00 #10-24 x ¾" Pan Head Screw* Indicator Scale 3 30 31 32 3888.00 STD511002 5991.00 #10 Flat Washer #10-24 x W' Pan Head Screw* 1 #10-24 x '/2" Flat Head Screw 2 33 8257.00 Miter Gauge Assembly (Ref. Nos. 17-32) 1 * Standard hardware item available locally. 19 QTY. 1 1 1 1 1 1 5 1 1 1 1 1 1 1 3 1 1 1 Model 351.243981 Figure 10 - Replacement Parts Illustration for Gear Box i i i i 8 21 12 14 16 22 %_20 13 3 19 14 23 25 16 19 26 20 28 KEY NO. PART NO. DESCRIPTION 1 2 3 8332.00 7904.00 8333.00 Shaft Support 3BMI-42 Retaining Ring 6004Z 1 2 2 4 5 8495.00 2466.00 1 1 6 7 8661.00 1900.00 Wheel Drive Shaft 7 x 7 x 25mm Key 7 x7 x 15mm Key 8 9 10 1369.00 STD852008 STD835020 3AMI-25 Retaining Ring 8-1.25 x 30mm Hex Head Bolt 8mm Lock Washer* 8-1.25 x 20mm Hex Head Bolt* 11 12 13 8611.00 8336.00 8337.00 Lower Cabinet Support Gear Box Gear Box Cover 1 1 1 14 15 16 1822.00 8338.00 8496.00 8-1.25 x 20mm Socket Head Bolt 6 x 20mm Dowl Pin Gear 7 2 2 17 18 19 1861.00 8500.00 STD315205 3AMI-22 Retaining Ring Gear Shaft 2 1 2 20 21 8497.00 8498.00 22 23 24 8438.00 8344.00 STD851010 25 26 27 STD304520 8615.00 0964.00 V-Belt* Motor Pulley 6-1.0 x 6mm Set Screw* 1 1 1 28 29 30 8616.00 0361.00 STD835025 Shroud 5-0.8 x 8mm Pan Head Screw 8-1.25 x 25mm Hex Head Bolt* 1 4 4 31 32 A 1795.00 0256.00 3228.00 10-1.5 x 20mm Hex Head Bolt 1 1 1 A * 6200LL Bearing* Pulley Drive Shaft 6905ZZ Bearing 5 x5 x 30mm Key Idler Pulley lOmm Flat Washer* 3AMI-20 Retaining Ring Gear Box Assembly Not Shown Standard hardware item available locally 21 QTY. 2 1 4 10 6 1 2 1 1 1 NOTES 22 NOTES 23 For the repair or replacement parts you need delivered directly to your home Call 7 am - 7 pm, 7 days a week 1-800-366-PART (1-800-366-7278) For in-home major brand repair service Call 24 hours a day, 7 days a week 1-800-4-REPAIR (1-800-473-7247) For the location of a Sears Parts and Repair Center in your area Call 24 hours a day, 7 days a week 1-800-488-1222 __.__. When requesting service or ordering parts, always provide the following information: • • Product Type Model Number • • Part Number Part Description mmmmmm mmmmmm SEARS America's Repair Specialists
Source Exif Data:
File Type : PDF File Type Extension : pdf MIME Type : application/pdf PDF Version : 1.2 Linearized : No Page Count : 24 Page Layout : SinglePage Page Mode : UseNone Producer : Goby Monitor Application version 4, 0, 0, 13 Create Date : Mon Jul 21 01:02:58 2008 Author : Title : Subject :EXIF Metadata provided by EXIF.tools