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Northern Industrial Tools Item# 145765 User's Manual
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1. LIAL Metal Fabrication Rorthern BIN Dw ST Item 145765 Automatic Metal Cutting Band Saw User s Manual Assembly and Operation Instructions MADE IN CHINA Quick Start Guide ATTENTION READ AND FOLLOW UNPACKING amp ASSEMBLY GUIDE BEFORE OPERATION 1 Front Locking Bolt 5 Front Wheels 2 Band Saw 6 Rear Wheels 3 Locking device between saw arch and table 7 Length restricting device for workpiece 4 Rear Locking Bolt UNPACKING Step 1 Snip the carton wrapping belt near the wooden pallet pull the nails from the carton and pallet then the carton can be taken away Step 2 The band saw can be removed from the pallet by removing the bolts and connecting parts 1 amp 4 of Fig A Remove the bolt and connecting parts of the locking device 3 of Fig A then the saw arch can be raised ASSEMBLY Step 1 Assemble the front amp rear wheels 5 amp 6 of Fig B Step 2 By removing the locking device 3 of Fig A the saw arch could be raised The saw arch will stay in position if the hydraulic valve A amp B of Fig B is Off The saw arch cannot be pressed down by using external force You must put the hydraulic valve A of Fig B in On position and then switch the flow control B of Fig B to lower the saw arch The speed of the saw arch going down depends on the range you choose for the flow control valve B of Fig B Note The hydraulic valve A of Fig B is Off when
2. Teeth Ripping from blade Motor Running too slow POSSIBLE CAUSE S Incorrect blade tension Incorrect speed or feed Material loose in vise Blade rubs on wheel flange Teeth too coarse for material Teeth in contact with work before saw is started Misaligned guides Blade too thick for wheel diameter Cracking at weld Teeth too coarse Too much speed Inadequate feed pressure Hard spots or scale in on material FP WNFILO OAD UI S amp S WwW NF un Work hardening of material especially stainless steel Blade installed backwards Insufficient blade tension Work not square peed Feed pressure too great Guide bearing not adjusted properly Inadequate blade tension Blade guides spaced out too much Dull blade Speed incorrect Blade guide assembly loose Blade guide bearing assembly loose 10 Blade tracks too far away from wheel flanges CORRECTIVE ACTION 1 Adjust to where blade just does not slip on wheel 2 Check Machinist Handbook 3 Clamp work securely 4 Adjust wheel alignment 5 Check Machinist Handbook for recommended blade 6 Place blade in contact work after motor is started 7 Adjust 8 Use thinner blade ake longer annealing cycle Use finer tooth blade Try next lower speed Decrease spring tension on side of saw Reduce speed increase feed pressure Scale increase feed pressure Hard Spots Increase feed pressure by reducing spring tens
3. No loose clothing gloves neckties rings bracelets or other jewelry that can get caught in moving parts Non slip foot wear is recommended Wear protective hair covering to contain long hair Page 2 of 15 11 Always wear eye protection Refer to A N S I Z87 1 Standard for appropriate recommendations Also use a face or dust mask if cutting operation is dusty 12 Always secure work with clamps or a vise It s safer than using your hand and frees both hands to operate tool 13 Don t overreach keep proper footing and balance at all times 14 Maintain tools in top condition Keep tools sharp and clean for best and safest performance Follow instructions for lubricating and changing accessories 15 Disconnect tools before servicing and when changing accessories such as blades bits cutters etc 16 Use recommended accessories Consult the owner s manual for recommended accessories The use of improper accessories may cause hazards 17 Avoid accidental starting Make sure Switch is in OFF position before plugging in power cord 18 Never stand on the tool Serious injury could occur if the tool is tipped or if the cutting tool is accidentally contacted 19 Check damaged parts before further use of the tool A guard or other part that is damaged should be carefully checked to ensure that it will operate properly and perform its intended function Check for alignment of moving parts binding of moving parts breakage
4. its handle is in horizontal direction and On when its handle is vertical Page 1 of 15 For technical questions and replacement parts please call 1 800 556 7885 Thank you very much for choosing a Northern Industrial Product For future reference please complete the owner s record below Model Purchase Date Save the receipt warranty and these instructions It is important that you read the entire instruction sheet to become familiar with this product before you begin using it This machine is designed for certain applications only It is strongly recommended that this machine is not modified and or used for any application other than that for which it was designed If you have any questions relative to a particular application DO NOT use the machine until you have first contacted your dealer to determine if it can or should be performed on the product Before using the Automatic Metal Cutting band Saw please read the following instructions carefully WARNING FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY AS WITH ALL MACHINERY THERE ARE CERTAIN HAZARDS INVOLVED WITH OPERATION AND USE OF THE MACHINE USING THE MACHINE WITH RESPECT AND CAUTION WILL CONSIDERABLY REDUCE THE POSSIBILITY OF PERSONAL INJURY HOWEVER IF NORMAL SAFETY PRECAUTIONS ARE OVERLOOKED OR IGNORED PERSONAL INJURY TO THE OPERATOR MAY RESULT THIS MACHINE WAS DESIGNED FOR CERTAIN APPLICATION ONLY WE STRONGLY RECOMMEND THAT THIS MAC
5. of parts mounting and any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced 20 Note direction of feed Feed work into a blade or cutter against the direction of rotation of the blade or cutter only 21 Never leave the tool running unattended Turn the power off and do not leave the tool until it comes to a complete stop 22 Do not operate tool while under the influence of drugs alcohol or any medication 23 Make sure tool is disconnected from power supply while motor is being mounted connected or reconnected ADDITIONAL SAFETY RULES FOR HORIZONTAL BAND SAWS Adjust and position the blade guide arm before starting cut mk Keep blade guide arm tight A loose blade guide arm will affect sawing accuracy Make sure that blade tension and blade tracking are properly adjusted Re check blade tension after initial cut with a new blade To prolong blade life always release blade tension at the end of each workday Make sure blade speed is set correctly for material being cut Check for proper blade size and type based on the material being cut Stop the machine before putting material in the vise and clamping it well oO ON ODO a RA OD Always have stock firmly clamped in vise before starting to cut 10 Always keep hands and fingers away from the blade 11 Check coolant daily Low coolant level can cause foaming and high blade temp
6. HINE NOT BE MODIFIED AND OR USED FOR ANY APPLICATION OTHER THAN FOR WHICH IT WAS DESIGNED IF YOU HAVE ANY QUESTIONS RELATIVE TO ITS APPLICATION DO NOT USE THE MACHINE UNTIL YOU HAVE HAD DETAIL INSTRUCTION FROM YOUR DEALER SAFETY RULES FOR ALL TOOLS 1 For your own safety read instruction manual before operating the tool Learn the tools application and limitations as well as the specific hazards of operating it 2 Always keep guards in place and in working order 3 Ground all tools If tool is equipped with three prong plug it should be plugged into a three hole electrical receptacle If an adapter is used to accommodate a two prong receptacle the adapter plug must be attached to a known ground Never remove the third prong 4 Always remove adjusting keys and wrenches before operating machine Form a habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on 5 Keep work area clean Cluttered areas and benches invite accidents 6 Don t use in dangerous environment Don t use power tools in damp or wet locations or expose them to rain Keep work area well lit 7 Keep children and visitors away All children and visitors should be kept a safe distance from work area 8 Make workshop child proof with padlocks master switches or by removing starter keys 9 Use the right tool Don t force tool or attachment to do a job for which it was not designed 10 Wear proper apparel
7. OP ADJUSTMENT 1 Loosen the thumb screw holding the work stop casting to the shaft 2 Adjust the work stop casting to the desired position 3 Rotate the work stop to as close to the bottom of the cut as possible 4 Tighten thumb screw 5 DO NOT ALLOW the blade to rest on the work while the motor is shut off CONVERTING FOR VERTICAL USE Notching slitting contour work may be done with the saw in the vertical position in the following manors 1 Rotate the head to the vertical position 2 Assemble a 10 x10 table an option that may be purchased from your dealer to the guide bar using the screws provided and the guide bar knob Page 5 of 15 BLADE SPEEDS When using your band saw always change the blade speed to best suit the material being cut The Material Cutting Chart gives suggested settings for several materials MATERIAL CUTTING CHART Speed F P M 60Hz 50Hz Material Tools Stainless Alloy Steel 100 83 Bearing Bronze Medium or High Carbon Steels Hard Brass or Bronze Aluminum Plastic BLADE DIRECTION OF TRAVEL Be sure the blade is assembled to the pulleys such that the vertical edge engages the workpiece first BLADE MOVEMENT Wee WYNN STARTING SAW CAUTION NEVER OPERATE SAW WITHOUT BLADE GUARDS IN PLACE Be sure the blade is not in contact with the work when the motor is started Start the motor allow the saw to come to full speed and then begin the cut by letting the head do
8. Pump 110 Switch Brand 150 Front Support 111 Waterproof Cap 151 Bolt 3 16 x3 8 112 Bolt 3 16 x3 8 152 Bolt M6x10mm 113 Bolt 3 16 x3 8 152 1 NUT M6 114 Bracket 153 Fuselage Plate 115 Pin 6x20 154 Water Frough Shelf 116 Stop Collar 155 Water Trough 117 Steet Balls 156 Bolt M6x30mm 118 Sheel Fragment 160 Nut M6 119 Bolt M5x8 161 Cylinder Support 120 Bolt 3 8x1 1 2 162 Plate Washer M10 121 Support 163 CAP M10x50mm 122 Nut 3 8x23x3 164 Cylinder 123 Plate Washer M8 x18x2 165 Bolt M12x60 124 S Washer M8 165 1 Washer M12 125 Bolt M8x25mm 166 Plate Washer M8x18x12 126 Rear Support 167 Bolt M6X20mm 127 Bolt MBx16mm 168 Cylinder Support 128 Cable Fixture 171 Spring 129 Wrie Flate 172 Spring Adjustable Rod 130 Plug 173 Plate Washer M10 131 Wrie Button 174 Bolt M10x25mm 132 Motor Wire 175 Spring Handle Bracket 133 Power Cable 176 Plate Washer3 8x2x23 134 Cabre Fixture 177 Nut 3 8 135 Bolt 3 16 x3 8 178 Water Baffle 136 Washer M10x3x26 179 Cover 137 S Washer M10x22 180 Washer 1 4 x1 5x16 138 Bolt M10x25rnm 181 Screw 1 4 x1 2 139 Nut 1 2 182 Cord Push Page 14 of 15 44 WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are e Lead from lead based paints e Crystalline
9. Rear 73 Set M8x8 35 S Washer 5 16X23X3 74 Plate Washer 3 8x24x3 36 Deflector Plate 75 Free Vise 37 Bolt 1 4x1 2 76 Table 38 Vertical Cutting Plate 77 Acme Screw 39 Plate Washer M8x2x18 78 Screw Servile 40 S Washer M8 x2 79 C Ring S 15 41 CAP M8x40mm 80 ICAP Screw Soc Hd M6x1 0x25 42 Blade Wheel Real 81 Acme Screw Wheel 43 C Ring S 25 82 Lever Knob 44 Bolt 1 4x1 2 83 Handle Screw 45 Plate 1 4x19x1 5 84 Bushing 46 Switch Hip 85 Set Screw Soc Hd M8x16 47 Plate Washer 3 8 x2x27 86 Bolt 3 8 x1 1 2 48 Blade Adjustable Knob 87 Support Plate 48 1 Spring 88 Bolt M10x25rnm 49 Blade Wheel Shaft Front 89 S Washer M10x2 2 50 Interval Ring 91 CAP 3 8x2 1 2 51 Bearing 6202ZZ 92 Support Rod 52 Blade Wheel Front 93 Bolt M8x15mm 53 Washer M8x18x2 94 Diaraph 54 Bolt M8x12mrn 95 55 Adjusting Knob 1 4 x1 2 96 56 Blade Back Cover 98 Nut M10 57 Bolt 1 4 x1 2 99 Length Fixing Plate Page 13 of 15 Ref Description Ref Description 100 Bolt M10x40mm 140 Bolt 1 2 x2 1 2 101 Fixed Bolt 141 Wheel Shaft 102 Stock Stop Rod 142 Wheel 103 Bolt 3 16 x1 4 143 Wheel Button 104 Filter Net Plate 144 Coolant Tank 105 Filter Net 145 Drain Plug 106 Switch Cover 146 Bolt 3 16 x3 8 107 Toggle Switch 147 Pung Mount 108 Switch Cover Plate 148 Nut 3 16 109 Switch Cover 149 Cooling
10. eratures Dirty or weak coolant can clog pump cause crooked cut low cutting rate and permanent blade failure Dirty coolant can cause the growth of bacteria with ensuing skin irritation Page 3 of 15 12 When cutting magnesium never use soluble oils or emulsions oil water mix as water will greatly intensify any accidental magnesium chip fire See your industrial coolant supplier for specific coolant recommendations when cutting magnesium 13 To prevent corrosion of machine surface when a soluble oil is used as coolant pay particular attention to wiping dry the surfaces where fluid accumulates and does not evaporate quickly such as between the machine bed and vise 14 Stop the machine before removing chips 15 Make all adjustments with the power off 16 Disconnect machine from power source when making repairs 17 Shut off power and clean the Band Saw and work area before leaving the machine WIRING DIAGRAM TOGGLE SWITCH SINGLE PHASE POWER PUMP SWITCH MOTOR SWITCH PUMP A A oao A POWER SWITCH PUMP SWITCH ASSEMBLY A 1 HP 1725 motor split phase or capacitor start is recommended for best economical performance The characteristics of this machine 1 If you want to shift the speed you may shift the speed directly by operating the handle beside the gearbox And you may choose the appropriate speed in accordance with the material of the workpiece 2 After the cut processing is completed the power w
11. ighten the A B C and D screws BLADE GUIDE BEARING ADJUSTMENT ATTENTION This is the most important adjustment on your saw It is impossible to get satisfactory work from your saw if the blade guides are not properly adjusted The blade guide bearings on your Metal Cutting Band Saw are adjusted and power tested with several test cuts before leaving the factory to insure proper setting The need for adjustment should rarely occur when the saw is used properly If the guides do get out of adjustment it is extremely important to readjust immediately If improper adjustment is maintained the blade will not cut straight and if the situation is not corrected it will cause serious blade damage Because guide adjustment is a critical factor in the performance of you saw it is always best to try a new blade to see if this corrects poor cutting before beginning to adjust If a blade becomes dull on one side sooner than the other for example it will begin cutting crooked A blade change will correct this problem while the guide adjustment will not If a new blade does not correct the problem check the blade guides for proper spacing NOTE There should be from 000 just touching to 001 clearance between the blade and guide bearings To obtain this clearance adjust as follows 1 The inner guide bearing is fixed and cannot be adjusted The outer guide bearing is mounted to an eccentric bushing and can be adjusted Loosen the nut while holdi
12. ill turn off automatically Page 4 of 15 3 Quick set vise clamp 4 Low noise level during operating Note If you want to shift the speed of the gear box you have to wait till the machine stops running Then you may operate the shifting Please make sure that you do not shift the speed while cutting Please check the engine oil of the gearbox regularly Change the 80 90 engine oil every 500 working hours Steps for operating the gearbox C MI SPEED 1 Before you shift the speed you have to cut off the source of the electricity then you may check if the motor stops running completely After that remove the saw blade from the piece of work 2 To insert the location pin smoothly move the saw blade back and forth bringing the shifting handle to a suitable location where you can insert the location pin into the locate hole OPERATION WORK SET UP 1 Raise the saw arch to a 45 position with the table and built in steady rest locks 2 Open the vise to clamp the workpiece to be cut securely by rotating the handle 3 Use a sliding bracket to keep balance if the workpiece is too long 4 Select the adequate speed for the material you are cutting 5 Switch on the power and lift the saw arch to the top and lower with the hydraulic flow control 6 Adjust the coolant amp lubricant switch to the appropriate level 7 Turn off the power supply after you finish work NOTE Never turn off the motor when blade is cutting WORK ST
13. ion Remove blade twist inside out and reinstall blade Increase tension to proper level Adjust vise to be square with blade Always clamp Work tightly in vise Reduce pressure by increasing spring tension on side of saw Adjust guide bearings to 001 greater than max thickness including weld of the saw Increase blade tension a little at a time Move guides as close to work as possible Replace blade 7 Check manual for recommended speeds 8 Tighten 9 Tighten 10 Retrack blade according to operating instructions 1 Too much speed of feed 1 Reduce speed and feed 2 Blade is too coarse 2 Replace with finer blade Blade is twisting 1 Cutis binding blade 1 Decrease feed pressure 2 Too much blade tension 2 Decrease blade tension 1 Blade guides worn 2 Blade guide bearings not adjusted properly 3 Blade guide bearing bracketis loose 1 Tooth too coarse for work 2 Too heavy feed too slow feed 3 Vibrating work piece 4 Gullets loading 1 Blade tension too high 2 Drive belt tension too high 3 Blade is too coarse for work Pipes especially 4 Blade is too fine for work Heavier softer material 5 Gear not aligned properly 6 Gears need lubrication 7 Idler wheel needs lubrication Page 10 of 15 1 Replace 2 Adjust as per operators manual 3 Tighten 1 Use finer tooth blade 2 Increase feed pressure and or speed 3 Clamp work securely 4 Use coarse tooth blade or brush to remove chip
14. nd the motor pulley bottom with the left hand and hold in position 3 Hold the blade taut against the motor pulley by pulling the blade upward with the right hand which is placed at the top of the blade 4 Remove left hand from bottom pulley and place it at the top side of the blade to continue the application on the upward pull on the blade 5 Remove right hand from blade and adjust the position of the top pulley to permit left hand to slip the blade around the pulley using the thumb index and little finger as guides 6 Adjust the blade tension knob clockwise until no blade slippage occurs Do not tighten excessively 7 Replace the blade guards 8 Place 2 3 drops of oil on the blade USAGE OF THE QUICK VISE The workpiece is placed between the vise jaws with the amount to be cut off extending out past the blade Your machine is equipped with a quick action vise jaw which allows you to instantly position the moveable vise jaw B Simply turn hand wheel A counterclockwise 1 2 turn and move the vise jaw B to the desired position Then tighten the vise jaw B against the workpiece by turning hand wheel clockwise Page 7 of 15 QUICK VISE ADJUSTMENT FOR ANGLE CUT 1 Loosen the A B C and D screws ey 2 Adjust rear vise to the threaded hole position E 3 Set the scale to the desired angle 4 Adjust the front vise F to parallel the rear vise Fg pem E J F top 5 l tr lt 5 T
15. ng the bolt with an Allen wrench Position the eccentric bushing by turning the bolt to the desired position of clearance ao A O N Tighten the nut BLADE TRACK ADJUSTMENT 1 Open the blade guard 2 Remove the blade guide assemblies top and bottom 3 Loosen the hex head screw in the tilting mechanism to a point where it is loose but still snug 4 With the machine running adjust both the set screw and blade tension knob simultaneously to keep constant tension on the blade The set screw and blade tension knob are always turned in opposite directions i e when one is turned clockwise the other is turned counterclockwise The blade is tracking properly when the backside just touches the shoulder of pulley or a slight gap appears near the center line of the pulley Care should be taken not to over tighten the saw blade since this will give a false adjustment and limit life of the blade 5 Tighten the hex head screw in tilting mechanism IMPORTANT Sometimes in trying to make this critical adjustment it is possible to cause the basic setting to be misaligned Should this occur proceed as follows a Loosen the set screw and back it out as far as it can go and still remain in the threaded hole Page 8 of 15 b Turn the hex head screw clockwise until it stops do not tighten c Turn the set screw clockwise until it bottoms then continue for half a turn and check the tracking by turning on the machine d If further adjus
16. s 1 Reduce tension on blade 2 Reduce tension on drive belt 3 Use finer blade 4 Use coarser blade 5 Adjust gears so that worm is in center of gear 6 Check oil bath 7 Oil bearing shaft on idler wheel ASSEMBLY DRAWING Page 11 of 15 PARTS LIST Ref Description Ref Description 1 Valve Cock Support 10 C Ring S8 2 S Washer M8 11 Bolt M5x8 3 Set Screw Soc Hd M8x30mrn 12 B lade Cover Front 4 Nut 3 8NF 13 Water Nozzle 5 S Washer 3 8 x2 2mm 14 Valve 1 4 6 Blade AK justable Front 15 Bolt 3 16 x1 4 7 Pin 16 Hose Button 8 Eccentric Shaft 17 Hose Plug 1 4 9 Bearing 608ZZ 18 Hose Page 12 of 15 Ref Description Ref Description 19 Adjusting Knob 3 8 58 Brush Holder 20 Plate Washer 3 8 X2x23 59 Bolt Screw 3 16 x1 2 21 Adjustable Bracket Front 60 Brush 22 Bow Saw 61 Bolt 1 4 x1 2 23 Set Screw Soc Hd M8x16mm 62 Blade 24 Bolt M8x40mm 63 Gear Box amp Motor 25 S Washer 8 3x2 64 Piver Bracket 26 CAP M6x16 65 Place Washer M12X3x28 27 S Washer M6x1 5mm 66 S Washer M12x2 5 28 Slide 67 Bolt M12x40mm 29 Blade Tension Sliding Block 68 Bolt M12x40mm 30 Bolt 3 8 xl 1 2 69 S Washer M12 x2 5 31 S Washer 10 5x2 3 70 Plate Washer M12x5 32 Plate Washer 3 8 x3 71 Foxed Vise 33 Adjustable Bracker Rear 72 Bolt M10x50 34 Blade Adjustable
17. silica from bricks cement and other masonry products e Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of works To reduce your exposure to these chemicals Work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particles Page 15 of 15
18. tment is required go back to step 4 6 Turn off power to the machine 7 Replace blade guide assemblies it may be necessary to loosen the blade tension slightly 8 Adjust the vertical position of blade guide bearing assemblies so that the backside of the blade just touches the ball bearing 9 Make a final run to check tracking If necessary to adjust go back to step 4 10 Replace the blade guards MAINTENANCE CAUTION MAKE CERTAIN THAT THE UNIT IS DISCONNECTED FROM THE POWER SOURCE BEFORE ATTEMPTING TO SERVICE OR REMOVE ANY COMPONENT LUBRICATION Lubricate the following components using SAE 30 oil as noted 1 Ball bearing None 2 Driven pulley bearing 6 8 drops a week 3 Vise lead screw as needed 4 The drive gears run in an oil bath and will not require a lubricant change more often than once a year unless the lubricant is accidentally contaminated or a leak occurs because of improper replacement of the gear box cover During the first few days of operation the worm gear drive will run hot Unless the temperature exceeds 200 degrees there is no cause for alarm Following lubricants may be used for the gearbox Atlantic Refinery Co Mogul Cyl Oil Cities Service Optimus No 6 Gulf Refinery Co Medium Gear Oil Pure Oil Co Park Clipper TROUBLE SHOOTING Page 9 of 15 SYMPTOM Excessive Blade Breakage Permanent Blade Dulling Bad Cuts Crooked Bad cuts Roug Unusual Wear on Side Back of Blade
19. wn slowly onto the work DO NOT DROP OR FORCE Let the weight of the saw head provide the cutting force The saw automatically shuts off at the end of the cut BLADE SELECTION A 8 tooth per inch general use blade is furnished with this Metal Cutting Sand Saw Additional blades in 4 6 8 and 10 tooth sizes are available The choice of blade pitch is governed by the thickness of the work to be cut the thinner the workpiece the more teeth advised A minimum of three 3 teeth should engage the workpiece at all times for proper cutting If the teeth of the blade are too far apart that they straddle the work severe damage can be done to the workpiece and to the blade Selection of band saw blades Page 6 of 15 1 Bi metal band saw blade is suitable for metal workpiece such as carbon steel alloy steel and stainless steel 2 Hardback carbon band saw blade is suitable for low rigidity small metal workpieces and hard plastic 3 Flexback carbon band saw blades are suitable for wood fiber glass and plastic 4 Carbide grit edge band saw blades are suitable for plumbago carbon product and alveolate material etc CHANGING THE BLADE Raise the saw arch to vertical position and open the blade guards Loosen tension screw knob to sufficiently allow the saw blade to slip off the wheels Install the new blade with teeth slanting toward the motor as follows 1 Place the blade in between each of the guide bearings 2 Slip the blade arou
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