EnGenius Technologies SHOPMASTER 28-248 User's Manual
Contents
1. THE BAND SAW USED WITH A DUST COLLECTOR To use this machine with a dust collector 1 Align the four holes in the dust port A Fig 12 with the four holes in the side of the stand 2 Insert a 10 32x1 2 pan head screw through the two holes in the dust port B Fig 12 and the stand Thread a 10 32 hex nut on the screw and tighten securely 3 Repeat this process for the two remaining holes C in the dust port stand and dust chute THE BAND SAW USED WITHOUT A DUST COLLECTOR To use this machine without a dust collector 1 Insert a 10 32 x 1 2 pan head screw through hole A Fig 13 in the stand and dust chute Thread a 10 32 hex nut onto the screw and tighten securely 2 Repeat this process for the remaining holes in the stand 12 ATTACHING THE DOOR TO THE STAND 1 Align the two holes in one of the male hinges A Fig 14 with the two holes on the stand NOTE Point the hinge up Fig 14 2 From the inside of the stand insert a 10 24 x 1 2 socket head cap screw through the hole in the stand and thread the screw into the hinge Repeat this process in the other hole to secure the hinge NOTE Hand tighten the hardware for further adjustment 3 Attach the other hinge 4 Usea straight edge to align the two hinges Fig 15 5 Tighten the four hinge screws securely 6 Align the two holes in one of the female hinges C Fig 16 with t2. ATTACHING THE MOTOR PULLEY 1 The pulley key A Fig 21 is taped to the motor see 6 in CARTON CONTENTS Remove it 2 Position the pulley key A Fig 21 in the slot B on the motor shaft 3 Align the slot in the motor pulley C Fig 21 with the key A on the motor shaft 4 Slide the motor pulley C Fig 21 on the motor shaft 5 Tighten the set screw D Fig 21 ATTACHING THE BELT TO THE SAW PULLEY AND THE MOTOR PULLEY 1 Install the belt over the saw pulley A Fig 22 2 Raise the motor and install the belt over the motor pulley B Fig 23 3 Place a straight edge C Fig 23 through the belt opening in the saw stand and against the upper and lower back of the saw pulley Check the in out alignment of the motor pulley against the straight edge If necessary adjust the position of the motor pulley by loosening the set screw D Fig 21 and moving the motor pulley in or out After alignment tighten the set screw Push down on the motor and push in on the center of the belt The correct deflection is approximately 1 4 5 When the deflection is correct tighten the four bolts that hold the motor to the motor bracket 14 ATTACHING THE TABLE TO THE SAW 1 Insert the two table studs A Fig 24 on the bottom of the table into the two holes in the trunnion assemblies B NOTE Face the slot C Fig 24 in the front of the table toward the front of the sa
3. guides 3 Blade support bearing improperly adjusted 3 Adjust blade support bearing 4 Blade wheel not tracking properly 4 Check and adjust blade tracking 5 Bad weld on blade 5 Replace the blade 6 Worn tires 6 Replace tires Trouble BAND SAW MAKES UNSATISFACTORY CUTS Probable Cause Remedy 1 Blade not tensioned properly 1 Adjust blade tension 2 Blade guides improperly adjusted 2 Check and adjust blade guides 3 Blade support bearing improperly set 3 Adjust blade support bearing 4 Blade wheel not tracking properly 4 Check and adjust blade tracking 5 Bad weld on blade 5 Replace the blade 6 Worn tires 6 Replace tires 7 Incorrect blade for work being done 7 Change the blade 8 Dull blade or insufficient set 8 Replace blade 9 Upper blade guide set too high 9 Set upper blade guide within 1 8 of work piece 24 BAND SAW BLADES A band saw blade is a delicate piece of steel that is subjected to tremendous strain You can obtain long use from a band saw blade if you use it properly Be sure to use blades of the proper thickness width and temper for the various types of material and cuts Always use the widest blade possible Use narrow blades only for sawing small abrupt curves and for fine delicate work This will save blades and will produce better cuts For cutting wood and similar materials Delta offers blades in widths of 1 8 1 4 3 8 1 2 and 3 4 Any one of a number of conditions ma
4. skirt If the screw is too high lower it until the top of the screw touches the bottom of the table skirt B Fig 42 If the screw is low raise it until it touches the bottom of the table skirt Set the pointer J Fig 44 to 0 degree mark by loosening the screw K Fig 44 Move the pointer J and tighten screw K SETTING THE ADJ USTABLE STOPS The machine comes with two adjustable stops You can adjust these stops to provide a positive stop at two pre determined angles of your choice NILSSONIN Disconnect the machine from the power source Pw NE Loosen the two clamp handles A Fig 40 Tilt the table to the right and turn the stop until either stop screw M or N Fig 45 is under the table skirt Tilt the table to the left until it rests on the selected stop screw M or N Fig 45 Set the the table to the desired angle by turning the stop screw and checking the angle on the side of the scale with pointer J Fig 44 Adjust the other stop screw in the same manner 19 ADJ USTING THE BLADE TENSION Disconnect the machine from the power source To apply tension to the blade move the tension handle A Fig 46 to the left To release the blade tension move the tension handle slightly to the left lift the lever lock B Fig 46 and move the tension handle A to the right Fig 47 To adjust the blade tension 1 Move t
5. source before installing or removing accessories before adjusting or changing set ups or when making repairs TURN THE MACHINE OFF disconnect the machine from the power source and clean the table work area before leaving the machine LOCK THE SWITCH IN THE OFF POSITION to prevent unauthorized use ADDITIONAL INFORMATION regarding the safe and proper operation of power tools i e a safety video is available from the Power Tool Institute 1300 Sumner Avenue Cleveland OH 44115 2851 www powertoolinstitute com Information is also available from the National Safety Council 1121 Spring Lake Drive Itasca IL 60143 3201 Please refer to the American National Standards Institute ANSI 01 1 Safety Requirements for Woodworking Machines and the U S Department of Labor OSHA 1910 213 Regulations SAVE THESE INSTRUCTIONS Refer to them often and use them to instruct others POWER CONNECTIONS A separate electrical circuit should be used for your machines This circuit should not be less than 12 wire and should be protected with a 20 Amp time lag fuse If an extension cord is used use only 3 wire extension cords which have 3 prong grounding type plugs and matching receptacle which will accept the machine s plug Before connecting the machine to the power line make sure the switch s is in the OFF position and be sure that the electric current is of the same characteristics as indicated on the machine All line connec
6. to the blade The tension is only necessary to drive the blade without slipping on the wheels Narrow blades reguire less tension than wider blades MAINTENANCE KEEP MACHINE CLEAN LUBRICATION Periodically blow out all air passages with dry compressed Apply household floor paste wax to the machine table air All plastic parts should be cleaned with a soft damp and extension table or other work surface weekly cloth NEVER use solvents to clean plastic parts They could possibly dissolve or otherwise damage the material PROTECTING CAST IRON FROM RUST To clean and protect cast iron tables from rust you will IN GAINS WEAR ANSI Z87 1 SAFETY GLASSES need the following materials 1 pushblock from a jointer WHILE USING COMPRESSED AIR 1 sheet of medium Scotch Brite Blending Hand Pad 1 can of WD 40 1 can of degreaser 1 can of TopCote FAILURE TO START Aerosol Apply the WD 40 and polish the table surface Should your machine fail to start check to make sure with the Scotch Brite pad using the pushblock as a the prongs on the cord plug are making good contact holddown Degrease the table then apply the TopCote in the outlet Also check for blown fuses or open circuit accordingly breakers in the line 25 SERVICE REPLACEMENT PARTS deltamachinery com for a list of service centers or call the Customer Care Department at 1 800 223 7278 All repairs made by our service centers are fully guaranteed against defective material and wo
7. 14 Wood Cutting Band Saw Model 28 248 Model 28 475X PART NO 426 02 651 0055 08 26 05 Rev A Copyright 2005 Delta Machinery A OELTA shopmaster To learn more about DELTA MACHINERY visit our website at www deltamachinery com For Parts Service Warranty or other Assistance please call 1 800 223 7278 in Canada call 1 800 463 3582 TYNNVIN NOLLONAULSNI TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS 0 0 ai kinadei ene 2 SAFETY GUIDELINES DEFINITIONS serras Sacre os tea Ga eee Saad naw Gg bac SG eR aes 3 GENERAL SAFETY RULES 24 was esa ceed errasti ipak iape OG bbe PERE EGE Reese ae Aa dase ee 4 ADDITIONAL SPECIFIE SAFETY RULES ca sada a seh ais eae ee Oe ees aS wee SA Slee aa Sea 5 FUNCTIONAL DESCRIPTION 1 1 4424 44 0 84258 n ant cha eh thn etki etd rhea adik diek eee eRe n aardi 7 CARTON CONTENTS i254 cea ah ara raaka aed winter ate abe nee BE addi a a ectopic Wa a eaa doce ge geet 8 OPERATION ias iaar sota deg ahead Pea hate bee ena kela RE ENO ORG EEE aa eee Eee eee a EEGs 18 TROUBLESHOOTING GUIDE Sry pik etd 404 be ea Led e eee ba do desi Kasa e ty SAA 23 MAINTENANCE miaa cna aa Kaik PRA eee aa do k JaJa Cale eda Oe Cale eh KAANAAN haa a HIEN 25 SERVICE st seat hadnt news ood Gee eee EEE ad ed bee dene ba de pak Ee oe dda one ke 26 ACCESSORIES sporeta rpn erea ae Poe e dee ead ena ees SSK kan deeded oe ee oe aa 26 WARRANTY fos tek voa Em eh Saatanan cate heh i BNE ana a ae J stn se ca
8. BLADE SUPPORT BEARING Adjust the upper blade guides and blade support bearings ONLY AFTER the blade has the correct tension and is tracking properly To adjust PALININ Disconnect the machine from the power source 1 2 Make sure that the bottom blade guides and support bearings are not touching the blade Check the upper blade guide assembly The blade guides A Fig 51 should be parallel to the blade To adjust loosen the screw B and rotate the complete guide assembly C When the blade guides are parallel with the blade tighten the screw B Adjust the guides A Fig 52 so that the front edge of the guides is just behind the gullets of the saw teeth The complete guide block bracket can be moved in or out by loosening the thumb screw C and turning the knurled knob D Fig 52 When the guides A are set properly tighten the thumb screw Loosen the set screws B to move the guides A Place them as close as possible to the side of the blade Be careful not to pinch the blade Tighten the screws B When the blade guide wears to a point that it cannot be adjusted close to the blade loosen the screw B Fig 55 and reverse the blade guides A Fig 52 The upper blade support bearing E Fig 52 prevents damage to the set in the saw teeth by keeping the blade from being pushed too far toward the back The support bearing E should be set 1 64 behind the blade Loosen the thumb screw F and turn the knurled kn
9. E THESE INSTRUCTIONS SAFETY GUIDELINES DEFINITIONS It is important for you to read and understand this manual The information it contains relates to protecting YOUR SAFETY and PREVENTING PROBLEMS The symbols below are used to help you recognize this information Indicates an imminently hazardous situation which if not avoided will result in death or SS serious injury AWARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury A CAUTION i a potentially hazardous situation which if not avoided may result in minor or moderate CAUTION Used without the safety alert symbol indicates potentially hazardous situation which if not avoided may result in property damage CALIFORNIA PROPOSITION 65 NEG ites Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to cause cancer birth defects or other reproductive harm Some examples of these chemicals are lead from lead based paints e crystalline silica from bricks and cement and other masonry products and e arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment always wear NIOSH OSHA approved properly fitting face mask or respirator when using such too
10. ING AN LVC BOX TO THE CABINET SINGLE PHASE MODELS 28 248F amp 28 348F amp THREE PHASE MODELS 28 248G amp 28 248G NOTE The single phase LVC box comes with a connected power cord The three phase LVC box does NOT come with a power cord NOTE Attach both the single phase model and the three phase model according to the following instructions 1 Loosen but do not remove the three screws A Fig 1 on the back of the LVC box 2 Insert the power cord single phase only through the hole C Fig 2 from inside the cabinet 3 Insert the three screws on the back of the LVC box A Fig 1 into the three holes B Fig 2 on the inside of the cabinet Push down on the box to engage the screws in the slots to secure the box 4 Tighten the three screws A Fig 3 from the outside of the cabinet to hold the LVC box in place 11 INSTALLING THE DUST CHUTE 1 Insert the dust chute through the door opening into the slot A Fig 8 in the top of the stand NOTE Place the motor cord behind the dust chute unless you are using the accessory height attachment with your saw In that case position the cord in front of the dust chute NOTE Be certain that the tab on the dust chute B Fig 9 snaps into the cutout C in the top of the stand 2 Align the two slotted holes D Fig 10 in the bottom of the dust chute with the two holes E Fig 11 in the stand
11. ON OA Si tri el EA as A ante 26 IMPORTANT SAFETY INSTRUCTIONS Read and understand all warnings and operating instructions before using any tool or eguipment When using tools or eguipment basic safety precautions should always be followed to reduce the risk of personal injury Improper operation maintenance or modification of tools or eguipment could result in serious injury and property damage There are certain applications for which tools and eguipment are designed Delta Machinery strongly recommends that this product NOT be modified and or used for any application other than for which it was designed If you have any guestions relative to its application DO NOT use the product until you have written Delta Machinery and we have advised you Online contact form at www deltamachinery com Postal Mail Technical Service Manager Delta Machinery 4825 Highway 45 North J ackson TN 38305 IN CANADA 125 Mural St Suite 300 Richmond Hill ON L4B 1M4 Information regarding the safe and proper operation of this tool is available from the following sources Power Tool Institute 1300 Sumner Avenue Cleveland OH 44115 2851 www powertoolinstitute org National Safety Council 1121 Spring Lake Drive Itasca IL 60143 3201 American National Standards Institute 25 West 43rd Street 4 floor New York NY 10036 www ansi org ANSI 01 1Safety Requirements for Woodworking Machines and the U S Department of Labor regulations www osha gov SAV
12. THE STAND Remove the two outer hex nuts and lock washers A Fig 31 from the two screws on the back of the switch box B Insert the two screws C Fig 32 located on the back of the switch box into the two holes D in the band saw arm Use the two nuts and lockwashers L Fig 33 removed in STEP 1 to fasten the switch box to the bandsaw arm Remove the screw and cable clamp E Fig 34 from the lower arm of the band saw Insert the switch cord and power cord F Fig 34 in the clamp E removed in STEP 4 and fasten the clamp to the bandsaw Insert the cord bushing into the hole G Fig 35 on the top of the band saw stand Insert the switch cord H Fig 36 through the cord bushing G Insert the motor plug J Fig 37 into the receptacle H of switch cord U PWN H 0 10 Position the motor plug J Fig 37 and the switch cord H behind the dust chute K NOTE If you use the accessory height attachment with your saw position the cords in front of the dust chute 17 OPERATION OPERATIONAL CONTROLS AND ADJ USTMENTS STARTING AND STOPPING THE SAW 1 The on off switch is located on the left side of the machine To turn the machine ON push the green start button A Fig 38 2 To turn the machine OFF push the red stop button Make sure that the switch is in the OFF position before plugging in the power cord In the event of a power f
13. UARDS WHENEVER POSSIBLE Check to see that they are in place properly adjusted secured and working correctly USE PROPER BLADE SIZE and type ADJ UST THE UPPER BLADE GUIDE so that it is about 1 8 above the workpiece PROPERLY ADJUST the blade tension tracking blade guides and blade support bearings KEEP ARMS HANDS AND FINGERS away from the blade AVOID AWKWARD OPERATIONS and hand positions where a sudden slip could cause a hand to move into the blade NEVER START THE MACHINE before clearing the table of all objects tools scrap pieces etc NEVER START THE MACHINE with the workpiece against the blade HOLD WORKPIECE FIRMLY against the table DO NOT attempt to saw a workpiece that does not have a flat surface against the table HOLD WORKPIECE FIRMLY and feed into blade at a moderate speed 15 16 17 18 19 20 21 NEVER REACH UNDER THE TABLE while the machine is running TURN THE MACHINE OFF to back out of an uncompleted or jammed cut MAKE RELIEF CUTS prior to cutting long curves TURN THE MACHINE OFF and wait for the blade to stop prior to cleaning the blade area removing debris near the blade removing or securing workpiece or changing the angle of the table A coasting blade can be dangerous NEVER PERFORM LAYOUT ASSEMBLY or set up work on the table work area when the machine is running TURN THE MACHINE OFF AND DISCONNECT THE MACHINE from the power
14. ailure move the switch to the OFF position An accidental start up can cause injury LOCKING SWITCH IN THE OFF POSITION IMPORTANT When the tool is not in use the switch should be locked in the OFF position to prevent unauthorized use using a padlock C Fig 39 with a 3 16 diameter shackle TILTING THE TABLE NAGAN Disconnect the machine from the power source 1 You can tilt the band saw table 45 to the right and 9 to the left To tilt the table to the right loosen the two clamp handles A Fig 40 tilt the table to the desired angle Tighten the locking handles A Fig 40 2 To tilt the table to the left loosen the two locking handles A Fig 40 and tilt the table to the right Rotate the table stop B Fig 41 all the way to the right Tilt the table to the left Tighten the two locking handles A Fig 40 NOTE Use the scale C Fig 41 to select the angle of tilt both right and left 18 ADJ USTING THE 90 DEGREE TABLE STOP DISCONNECT MACHINE FROM POWER SOURCE D a N PA Loosen the table clamp handles A Fig 40 and tilt the table to the right Rotate the stop B Fig 42 out of the way Place a sguare G Fig 43 on the table and against the blade and position the table 90 to the blade Clamp table handles A Fig 40 Rotate the stop B Fig 42 until the tallest screw contacts or is under the table
15. cal system Extension cords can t be used with a three phase machine EXTENSION CORDS Use proper extension cords Make sure that your extension cord is in good condition and is a 3 wire extension cord which has a 3 prong grounding type plug and matching receptacle which will accept the machine s plug When using an extension cord be sure to use one heavy enough to carry the current of the machine An undersized cord will cause a drop in line voltage resulting in loss of power and overheating Fig D 1 or D 2 shows the correct gauge to use depending on the cord length If in doubt use the next heavier gauge The smaller the gauge number the heavier the cord MINIMUM GAUGE EXTENSION CORD MINIMUM GAUGE EXTENSION CORD RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES Ampere i Gauge of Extension Ampere i Gauge of Extension nats Volts Cord Rating Volts Cord 120 240 120 240 120 240 120 240 120 240 120 240 120 240 120 240 120 240 120 240 120 240 120 240 12 16 12 16 240 50 100 12 16 30 mau 12 16 240 GREATER THAN 50 FEET NOT RECOMMENDED Fig D 1 Fig D 2 FUNCTIONAL DESCRIPTION FOREWORD Delta Models 28 248 and the 28 475X are 14 wood cutting band saws The band saws have a guick tensioning blade mechanism for ease in changing blades and applying tension to the blade These models have large 16 x16 cast iron tables that can be tilted 45 to t
16. conductor to a live terminal Check with a qualified electrician or service personnel if the grounding instructions are not completely understood or if in doubt as to whether the machine is properly grounded Use only 3 wire extension cords that have 3 prong grounding type plugs and matching 3 conductor receptacles that accept the machine s plug as shown in Fig A Repair or replace damaged or worn cord immediately 2 Grounded cord connected machines intended for use on a supply circuit having a nominal rating less than 150 volts If the machine is intended for use on a circuit that has an outlet that looks like the one illustrated in Fig A the machine will have a grounding plug that looks like the plug illustrated in Fig A A temporary adapter which looks like the adapter illustrated in Fig B may be used to connect this plug to a matching 2 conductor receptacle as shown in Fig B if a properly grounded outlet is not available The temporary adapter should be used only until a properly grounded outlet can be installed by a qualified electrician The green colored rigid ear lug and the like extending from the adapter must be connected to a permanent ground such as a properly grounded outlet box Whenever the adapter is used it must be held in place with a metal screw NOTE In Canada the use of a temporary adapter is not permitted by the Canadian Electric Code Nea In all cases make certain that the receptacle in question is prop
17. e with adequate size cord 2 Low voltage 2 Contact an electrician 3 Motor wired for incorrect voltage 3 Rewire motor for correct voltage Trouble BLADES BREAK Probable Cause Remedy 1 Blade not tensioned properly 1 Adjust blade tension 2 Blade guides improperly adjusted 2 Check and adjust blade guides 3 Blade support bearing improperly adjusted 3 Adjust blade support bearing 4 Blade wheel tracking adjustment improperly set 4 Check and adjust blade tracking 5 Bad weld on blade 5 Replace the blade 6 Worn tires 6 Replace tires 7 Forcing wide blade around short radius 7 Change to a narrower blade 8 Dull blade or insufficient set 8 Replace blade 9 Upper blade guide set too high 9 Set upper blade guide within 1 8 of workpiece 10 Continuous running of machine when not actually 10 Turn off machine when not performing cutting cutting operation Trouble BLADE WILL NOT TRACK Probable Cause Remedy 1 Blade too loose 1 Adjust tension 2 Upper wheel not properly adjusted 2 Adjust upper wheel 3 Improperly adjusted blade support bearing 3 Adjust blade support bearing Trouble CUT DOES NOT AGREE WITH SETTING ON THE TILT SCALE Probable Cause Remedy 1 Pointer out of adjustment 1 Adjust pointer Trouble BLADE WILL NOT STAY ON WHEEL Probable Cause Remedy 1 Blade not tensioned properly 1 Adjust blade tension 2 Blade guides improperly adjusted 2 Check and adjust blade
18. er conditions that may MACHINE FROM THE POWER SOURCE before installing affect its operation A guard or any other part that is or removing accessories before adjusting or changing damaged should be properly repaired or replaced set ups or when making repairs An accidental start up Damaged parts can cause further damage to the can cause injury machine and or injury 22 MAKE YOUR WORKSHOP CHILDPROOF WITH 7 KEEP THE WORK AREA CLEAN Cluttered areas and PADLOCKS MASTER SWITCHES OR BY benches invite accidents REMOVING STARTER KEYS The accidental start up 8 KEEP CHILDREN AND VISITORS AWAY Your shop is a of a machine by a child or visitor could cause injury potentially dangerous environment Children and visitors can 23 STAY ALERT WATCH WHAT YOU ARE DOING AND be injured USE COMMON SENSE DO NOT USE THE MACHINE 9 REDUCE THE RISK OF UNINTENTIONAL STARTING SEBUCE 1 COLOL GR EKA Wane Make sure that the switch is in the OFF position r 4 before plugging in the power cord In the event of a INATTENTION WHILE OPERATING POWER TOOLS power failure move the switch to the OFF position MAY RESULT IN INJ URY An accidental start up can cause injury 24 USE OF THIS TOOL CAN GENERATE 10 USE THE GUARDS Check to see that all guards are in AND DISBURSE DUST OR OTHER AIRBORNE place secured and working correctly to reduce the risk PARTICLES INCLUDING WOOD DUST CRYSTALLINE of injury ete ot S ae DUST Direct oe away from face and body A
19. erly grounded If you are not sure have a qualified electrician check the receptacle GROUNDED OUTLET BOX GROUNDED OUTLET BOX CURRENT GROUNDING MEANS CARRYING PRONGS ADAPTER GROUNDING BLADE A IS LONGEST OF THE 3 BLADES Fig A Fig B 3 Grounded cord connected machines intended for use on a supply circuit having a nominal rating GROUNDED OUTLET BOX between 150 250 volts inclusive CURRENT CARRYING If the machine is intended for use on a circuit that has an outlet PRONGS that looks like the one illustrated in Fig C the machine will have a grounding plug that looks like the plug illustrated in Fig C Make sure the machine is connected to an outlet having the same configuration as the plug No adapter is available or should be used with this machine If the machine must be re connected for use on a different type of electric circuit the re connection should be made by qualified service personnel and after re connection the machine should comply with the GROUNDING BLADE National Electric Code and all local codes and ordinances IS LONGEST OF THE 3 BLADES 4 Permanently connected machines Ere If the machine is intended to be permanently connected all wiring must be done by a gualified electrician and conform to the National Electric Code and all local codes and ordinances Three phase operation Three phase machines are not supplied with a power cord and must be permanently connected to a building s electri
20. fective in workmanship or material provided that the customer returns the product prepaid to a Delta factory service center or authorized service station with proof of purchase of the product within two years and provides Delta with reasonable opportunity to verify the alleged defect by inspection For all refurbished Delta product the warranty period is 180 days Delta may require that electric motors be returned prepaid to a motor manufacturer s authorized station for inspection and repair or replacement Delta will not be responsible for any asserted defect which has resulted from normal wear misuse abuse or repair or alteration made or specifically authorized by anyone other than an authorized Delta service facility or representative Under no circumstances will Delta be liable for incidental or consequential damages resulting from defective products This warranty is Delta s sole warranty and sets forth the customer s exclusive remedy with respect to defective products all other warranties express or implied whether of merchantability fitness for purpose or otherwise are expressly disclaimed by Delta ADELTA Delta Machinery 4825 Highway 45 North J ackson TN 38305 www deltamachinery com 28
21. he right and 8 to the left The band saws also come with a 4 O D dust port for connecting the band saws to a dust collector NOTICE The photo on the manual cover illustrates the current production model All other illustrations contained in the manual are representative only and may not depict the actual color labeling or accessories and are intended to illustrate technique only CARTON CONTENTS UNPACKING AND CLEANING Carefully unpack the machine and all loose items from the shipping container s Remove the protective coating from all unpainted surfaces This coating may be removed with a soft cloth moistened with kerosene do not use acetone gasoline or lacquer thinner for this purpose After cleaning cover the unpainted surfaces with a good quality household floor paste wax 1 Remove the cardboard box from the packing skid A Fig 1 2 Use a 3 8 wrench to remove the two bolts B Fig 1 that attach the motor to the packing skid 3 Remove the bolts that attach the stand C Fig 2 and the saw D to the the packing skid A with a 1 2 wrench Fig B 1 Saw 6 Motor and key A 2 Stand 7 Table 3 Dust Chute 8 Belt 4 Top Plate 9 On Off Switch 5 Stand Door 10 Motor Bracket 2 11 Dust Spout NOTE LVC box and hardware are
22. he tension handle A slightly to the left lift the lever lock B Fig 46 and move the blade tension handle to the right E 2 You can set the blade tension lever to match blade widths 3 4 1 2 3 8 1 4 and 1 8 See Inset 1 ASS va Fig 46 4 3 Move the blade tension lever to the right as far as it will go Pull outward away from the saw on the entire handle assembly A Fig 47 and turn the the assembly until the appropriate width of the blade is shown on the top of the blade tension scale C Release the handle assembly so that the handle is contacting the hub D NOTE To adjust the pointer on the blade tension scale loosen the screw A Inset 2 Fig 46 move the pointer and tighten the screw 4 Move the blade tension lever to the left until the lever lock B Fig 46 engages the blade tension lever handle A 5 To fine tune the band saw blade tension turn the adjustment nut N Fig 48 6 A series of graduations T Fig 48 is located on the back of the upper wheel slide bracket These graduations indicate the proper tension for various widths of blades NOTE These graduations are correct for average work and will not be affected by rebrazing of the saw blade When cutting thin pieces 3 4 or less set the blade tension below the maximum setting for blade width to extend the life of the blade Over straining is a common cause of b
23. he two holes in the stand door D NOTE Point the hinge opening down 7 Thread a 10 24 x 1 2 socket head cap screw through the hole in the door and into the hole in the hinge Secure the hinge with the other screw NOTE Hand tighten the hardware for further adjustment 8 Secure the other hinge 9 Usea straight edge to align the two hinges Fig 17 10 Tighten the four hinge screws securely 11 Slide the two female hinges C Fig 18 on the door over the two male hinges A on the stand 12 The door latch is in one piece and snaps into the door Insert the latch A Fig 19 from the outside through the hole in the door 13 Put pressure on the door latch to snap the latch in place 14 To open the door slide the latch away from the cabinet and pull the door 13 ATTACHING THE SAW TO THE STAND The band saw is VERY heavy Use a helper to attach the saw to the stand 1 Position the band saw on top of the stand Fig 20 NOTE Position the pulley A Fig 20 over the belt opening B 2 Align the four holes in the saw with the four holes in the top of the stand 3 Place a 5 16 flat washer on a 5 16 18 x 1 1 2 hex head screw Insert the screw through one of the holes C in the saw and the stand 4 Thread a 5 16 18 hex nut on the screw inside the stand 5 Repeat this process for the three remaining holes 6 Tighten the screws securely
24. included with certain 12 Blade models 13 Table Insert 14 Motor Pulley 15 5 16 18 x 1 1 2 Hex Head Screw 4 24 Table Handle 2 16 5 16 18 x 3 4 Carriage Head Bolt 16 25 Male Hinge 2 17 10 24 x 1 2 Socket Head Cap Screw 8 26 Door Latch 18 10 32 x 1 2 Pan Head Screw 4 27 Female Hinge 2 19 5 16 Flat Washer 4 28 Cord Bushing 20 7 16 J am Nut 2 21 7 16 Locknut 2 22 5 16 18 Hex Nut 20 23 10 32 Hex Nut 4 ASSEMBLY ASSEMBLY TOOLS REQUIRED 3 8 Wrench 7 16 Wrench 4mm Hex Wrench 5 16 Wrench 1 2 Wrench Phillips Screwdriver ASSEMBLY TIME ESTIMATE Approximately 2 4 hours ATTACHING THE MOTOR BRACKET TO THE STAND 1 2 Place the stand on its side Fig 3 Align the two holes in the motor bracket A Fig 4 with the two holes in the stand NOTE Counting from the left of Fig 3 attach the motor brackets to the holes 1 and 3 in the front cabinet flange D and holes 2 and 5 in the rear cabinet flange E NOTE Position the slots of the motor bracket C Fig 4 closer to the front cabinet flange D rather than the rear cabinet flange E 3 4 5 6 Insert a 5 16 18 x 3 4 carriage head bolt through the hole in the motor bracket A Fig 4 and the hole in the stand Thread a 5 16 18 hex nut on the bolt and tighten securely Repeat this process for the other hole i
25. lade breakage and or other unsatisfactory blade performance Release the tension when the tool is not in use 20 TRACKING THE BLADE NIZA tes Disconnect the machine from the power source Before tracking the blade make sure that the blade guides and blade support bearings are clear of the blade After applying tension to the blade rotate the wheels slowly forward by hand and observe the blade s movement The blade A Fig 49 should travel in the center of the upper tire If the blade creeps toward the front edge loosen the wing nut B Fig 48 and turn the thumb screw C clockwise This procedure draws the blade toward the center of the tire If the blade creeps toward the back edge turn the thumb screw in the opposite direction Adjust the thumb screw C Fig 48 only a fraction of a turn each time Never track the blade while the machine is running After the blade is tracking in the center of the tires tighten the wing nut B Fig 48 VERTICAL ADJ USTMENT OF THE UPPER BLADE GUIDE ASSEMBLY PSN LLUKINEN Disconnect the machine from the power source To adjust the blade guides and bearings 1 Set the upper blade guide assembly A Fig 50 as close as possible to the top surface of the workpiece 2 Loosen the lock knob B and move the guide assembly A to the desired position 3 Tighten the lock knob prone 21 ADJ USTING THE UPPER BLADE GUIDES AND
26. ls GENERAL SAFETY RULES i READ AND UNDERSTAND ALL WARNINGS AND OPERATING INSTRUCTIONS BEFORE N USING THIS EOUIPMENT Failure to follow all instructions listed below may result in electric shock fire LA and or serious personal injury or property damage IMPORTANT SAFETY INSTRUCTIONS 1 FOR YOUR OWN SAFETY READ THE INSTRUCTION 14 USE THE PROPER EXTENSION CORD Make sure MANUAL BEFORE OPERATING THE MACHINE your extension cord is in good condition When using Learning the machine s application limitations and an extension cord be sure to use one heavy enough to specific hazards will greatly minimize the possibility of carry the current your product will draw An undersized accidents and injury cord will cause a drop in line voltage resulting in loss 2 WEAR EYE AND HEARING PROTECTION ALWAYS how 0 oy Ti angi ee ee eon ee USE SAFETY GLASSES Everyday eyeglasses are NOT for a correct size GRT on the ON safety glasses USE CERTIFIED SAFETY EOUIPMENT and nameplate ampere rating If in doubt use the next heavier gauge The smaller the gauge number the Eye protection equipment should comply with ANSI heavier th d Z87 1 standards Hearing equipment should comply SAVIE ME CONS with ANSI 3 19 standards 15 SECURE THE WORKPIECE Use clamps or vise when you cannot secure the workpiece on the table and 3 WEAR PROFESS ARKAKET Doi Wt loose Comin against the fence by hand or when your hand will be gloves neckties rings bracelets or
27. lways operate tool in we N EDIT STARTING THE Mac he ok HES ventilated area and provide for proper dust removal Use Tools scrap pieces and other debris can be thrown at high speed dust collection system wherever possible Exposure to causing injury i the dust may cause serious and permanent respiratory or other injury including silicosis a serious lung disease 12 USE THE RIGHT MACHINE Don t force a machine cancer and death Avoid breathing the dust and avoid or an attachment to do a job for which it was not prolonged contact with dust Allowing dust to get into designed Damage to the machine and or injury may your mouth or eyes or lay on your skin may promote result absorption of harmful material Always use properly 13 USE RECOMMENDED ACCESSORIES The use of fitting NIOSH OSHA approved respiratory protection accessories and attachments not recommended by Delta may cause damage to the machine or injury to the user appropriate for the dust exposure and wash exposed areas with soap and water ADDITIONAL SPECIFIC SAFETY RULES NUL FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS INJ URY 10 11 12 13 DO NOT OPERATE THIS MACHINE UNTIL it is assembled and installed according to the instructions OBTAIN ADVICE from your supervisor instructor or another gualified person if you are not familiar with the operation of this tool FOLLOW ALL WIRING CODES and recommended electrical connections USE THE G
28. n spite of how well a band saw is maintained problems can occur The following troubleshooting guide will help you solve the more common problems For assistance with your machine visit our website at www deltamachinery com for a list of service centers or call the DELTA Machinery help line at 1 800 223 7278 In Canada call 1 800 463 3582 Trouble SAW WILL NOT START Probable Cause Remedy 1 Switch cord motor cord not plugged in 1 Plug in switch cord motor cord 2 Fuse blown or motor reset tripped 2 Replace fuse or push motor reset button 3 Cord damaged 3 Have cord replaced Trouble BREAKER OR MOTOR KICKS OUT FREOUENTLY Probable Cause Remedy 1 Extension cord too light or too long 1 Replace with adeguate size cord 2 Feeding stock too fast 2 Feed stock more slowly 3 Blade in poor condition dull warped gummed 3 Clean or replace blade 4 Low voltage supply 4 Contact an electrician Trouble BAND SAW VIBRATES EXCESSIVELY Probable Cause Remedy 1 Machine not mounted securely to stand 1 Tighten all mounting hardware 2 Stand on uneven surface 2 Reposition on flat level surface 3 Worn belt 3 Replace belt 4 Pulley not aligned 4 Adjust motor pulley 5 Motor not fastened securely 5 Tighten all mounting hardware continued on next page 23 Trouble BAND SAW DOES NOT COME UP TO SPEED Probable Cause Remedy 1 Low voltage due to improper extension cord size 1 Replac
29. n the motor bracket Attach the other motor bracket to the stand in the same manner ATTACHING THE MOTOR TO THE MOTOR BRACKET 1 Position the motor A Fig 5 on the motor brackets B Align the holes in the motor with the holes in the motor bracket 2 Insert a 5 16 18 x 3 4 carriage head bolt through the hole in the motor bracket and the hole in the motor 3 Thread a 5 16 18 hex nut on to the bolt NOTE Hand tighten the hardware for future adjustment 4 Repeat this process for the three remaining holes in the motor and motor bracket 5 Place the stand upright Fig 6 ATTACHING THE TOP PLATE TO THE STAND NOTE If your machine comes with an LVC starter box refer to the enclosed supplemental instruction sheet for mounting that equipment Then follow these instructions 1 Place the top plate A Fig 7 on the top of the stand B NOTE Place the switch cord F Fig 7 through the slotted hole G in the top plate A and insert a plastic bushing H in the slotted hole G 2 Align the eight holes in the stand and top 6 in the top and 2 on the side 4 Insert a 5 16 18 x 3 4 carriage head bolt through the top plate and the stand Thread a 5 16 18 hex nut on to the bolt 5 Repeat this process for the seven remaining holes NOTE Make sure the door opening is at least 13 wide before you tighten the screws 10 MOUNT
30. ob G to move the support bearing E in or out Adjust the blade support bearing E so that the back edge of the blade overlaps the outside diameter of the ball bearing by about 1 16 The bearing E is set on an eccentric To change the position remove the screw H and bearing E Fig 52 Loosen the thumb screw F and back out the knurled knob from the set screw Remove the hex shaft from the hole and rotate it to move the eccentric for the bearing ADJ USTING LOWER BLADE GUIDES AND BLADE SUPPORT BEARING Adjust the lower blade guides and blade support bearing after the upper guides and bearing have been adjusted LNKAIIMINEN Disconnect the machine from the power source 1 3 Turn the knurled knob C Fig 53 to adjust the front edge of the guide blocks B so that they are just behind the gullets of the saw teeth Check the support bearing D It should not be touching the back of the blade Loosen the two screws A Fig 53 Move the guides B as close as possible to the side of the blade being careful not to pinch the blade Tighten screws A Turn the other knurled knob E to adjust the lower blade support bearing D Fig 53 so that it is about 1 64 behind the back of the blade 22 MACHINE USE Before starting the machine ensure that all adjustment
31. other jewelry which d iv close to the blade within 6 may get caught in moving parts Nonslip footwear is angerously close to the blade within 6 recommended Wear protective hair covering to contain 16 FEED THE WORKPIECE AGAINST THE DIRECTION OF long hair THE ROTATION OF THE BLADE CUTTER OR ABRASIVE SURFACE Feeding it from the other direction will cause 4 DO NOT USE THE MACHINE IN A DANGEROUS ENVIRONMENT The use of power tools in damp or wet the workpiece to be thrown out at high speed locations or in rain can cause shock or electrocution 17 DON T FORCE THE WORKPIECE ON THE MACHINE Keep your work area well lit to prevent tripping or Damage to the machine and or injury may result placing arms hands and fingers in danger 18 DON T OVERREACH Loss of balance can make you 5 MAINTAIN ALL TOOLS AND MACHINES IN PEAK fall into a working machine causing injury CONDITION Keep tools sharp and clean for best and safest perfomance Follow instructions for lubricating and changing A uudel I k en aa ac E accessories Poorly maintained tools and machines can i further damage the tool or machine and or cause injury 20 DN THe GOWER DIES abba ee 6 CHECK FOR DAMAGED PARTS Before using the ee machine check for any damaged parts Check for comes to a complete stop A child or visitor could be injured alignment of moving parts binding of moving parts 21 TURN THE MACHINE OFF AND DISCONNECT THE breakage of parts and any oth
32. rkmanship We cannot guarantee repairs made or attempted by others Should When servicing use only identical replacement parts Check the parts list included for more information Parts lists can also be found online at www deltamachinery com SERVICE AND REPAIRS you have any questions about your tool feel free to write N E us at any time In any communications please give all All guality tools will eventually reguire servicing or information shown on the nameplate of your tool model replacement of parts due to wear from normal use For number type serial number etc assistance with your tool visit our website at www ACCESSORIES A complete line of accessories is available from your Delta Supplier Porter Cable e Delta Factory Service Centers and Delta Authorized Service Stations Please visit our Web Site www deltamachinery com for a catalog or for the name of your nearest supplier NY ENS Ite Since accessories other than those offered by Delta have not been tested with this product use of such accessories could be hazardous For safest operation only Delta recommended accessories should be used with this product WARRANTY To register your tool for warranty service visit our website at www deltamachinery com ADELTA Two Year Limited New Product Warranty Delta will repair or replace at its expense and at its option any new Delta machine machine part or machine accessory which in normal use has proven to be de
33. s are properly made and the guards are in place Turn the upper wheel by hand to make sure that everything is correct BEFORE turning on the power Keep the top blade guide and guard within 1 8 of the work piece at all times Do not force the material against the blade Light pressure on the work piece will produce a smoother cut and prevent excess friction and heating of the blade KEEP THE SAW BLADE SHARP Very little forward pressure is required for normal cutting Keep the workpiece moving at a slow and consistent rate against the blade to ensure a smooth and accurate cut Avoid twisting the blade by trying not to turn sharp corners Remember you must saw around corners CUTTING CURVES When cutting curves turn the stock carefully so that the blade follows without twisting If a curve is so abrupt that it is necessary to repeatedly back up and cut RELIEF CUTS a new kerf then a narrower blade a blade N with more set or additional relief cuts Fig 54 may be necessary to allow the blade to cut more efficiently The more set a blade has the easier it will allow the stock to be turned but the cut is usually rougher When withdrawing the piece being cut changing the cut or for any other reason be careful not to accidentally draw the blade off the wheels In most cases it is easier and safer to turn the stock and saw out through the waste material rather than try to withdraw the stock from the blade TROUBLESHOOTING GUIDE I
34. tions should make good contact Running on low voltage will damage the machine Nel Do not expose the machine to rain or operate the machine in damp locations MOTOR SPECIFICATIONS The models 28 248 28 248F and 28 475X are wired for 120 volt 60 HZ alternating current The model 28 248G three phase unit is wired for 230 volts Before connecting the any of these machines to the power source make sure the switch is in the OFF position GROUNDING INSTRUCTIONS NSN This machine must be grounded while in use to protect the operator from electric shock 1 All grounded cord connected machines In the event of a malfunction or breakdown grounding provides a path of least resistance for electric current to reduce the risk of electric shock This machine is equipped with an electric cord having an equipment grounding conductor and a grounding plug The plug must be plugged into a matching outlet that is properly installed and grounded in accordance with all local codes and ordinances Do not modify the plug provided if it will not fit the outlet have the proper outlet installed by a qualified electrician Improper connection of the equipment grounding conduc tor can result in risk of electric shock The conductor with insulation having an outer surface that is green with or without yellow stripes is the equipment grounding conductor If repair or replacement of the electric cord or plug is necessary do not connect the equipment grounding
35. w 2 Thread a 7 16 jam nut C Fig 25 on each table stud and tighten securely 3 Place a table handle H on each stud Fig 26 NOTE Position the table handles as illustrated in Fig 26 4 Thread a 7 16 locknut D Fig 27 on each stud Tighten each locknut up to the table handle then loosen them 1 2 of a turn 15 ATTACHING THE BLADE TO THE SAW Use only 93 1 2 blades on the 14 band saw 1 2 3 Remove the table pin A Fig 28 Open the blade guard door C Fig 28 then open the two wheel guard doors B Fig 28 Move the quick tension lever D Fig 28 toward the back of the saw to relieve tension NOTE Install the blade with the teeth pointing down Slide the blade through the slot E Fig 28 in the band saw table Place the blade around the two wheel assemblies A Fig 29 Replace the table pin A Fig 28 Close the two wheel guard doors B Fig 28 and the blade guard door C Move the quick tension lever D Fig 29 toward the front of the saw to tension the blade See the section OPERATING CONTROLS AND ADJ USTMENTS to adjust the blade tension and tracking O nou p INSTALLING THE TABLE INSERT Install the table insert A Fig 30 in opening of table NOTE A tab B is provided on the insert to engage the notch C in table opening 16 ATTACHING THE ON OFF SWITCH TO
36. y cause a band saw blade to break Blade breakage is in some cases unavoidable because of the peculiar stresses to which blades are subjected Blades will break often due to avoidable causes such as the lack of care to the blade or the blade not being properly adjusted to the band saw The most common causes of blade breakage are 7 8 continuous running of the saw blade when not cutting Use blades that are 93 1 2 long on this machine Always use a Sharp blade Keep it free from gum and pitch Clean frequently with a stiff fiber brush using a blade with a lumpy or improperly finished braze or weld 1 faulty alignments and adjustments of the guides 2 forcing or twisting a wide blade around a curve of short radius 3 feeding the work piece too fast into the blade 4 dullness of the teeth or absence of sufficient set 5 improperly tensioned blade 6 top guide set too high above the work piece being cut 7 8 Narrow blades are used for cutting small circles or curves while the wider blades are best suited for straight cutting such as ripping A new blade in most cases will perform better and last longer than a re sharpened blade Ensure that the blade guides are adjusted properly Do not force or twist the blade around a curve or a very short radius Feed the workpiece through the blade at a consistent rate allow the blade to do the cutting do not feed the work piece too fast Do not apply excessive tension
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