Delta SHOPMASTER 28-248 manual

INSTRUCTION MANUAL P ART NO. 426-02-651-0055 - 08-26-05 - Rev . A Copyright © 2005 Delta Machinery T o learn more about DEL T A MACHINER Y visit our website at: www .deltamachinery .com. For Parts, Service, W arranty or other Assistance, please call 1-800-223-7278 ( In Canada call 1-800-463-3582). 14" W ood Cutting Band Saw (Model 28-248) (Mo[...]

2 Read and understand all warnings and operating instructions before using any tool or equipment. When using tools or equipment, basic safety precautions should always be followed to r educe the risk of personal injury . Improper operation, maintenance or modification of tools or equipment could r esult in serious injury and property damage. Ther e[...]

3 It is important for you to read and understand this manual. The information it contains r elates to protecting YOUR SAFETY and PREVENTING PROBLEMS. The symbols below ar e used to help you recognize this information. Indicates an imminently hazardous situation which, if not avoided, will r esult in death or serious injury . Indicates a potentially[...]

4 GENERAL SAFETY RULES READ AND UN DER ST AND ALL WARNINGS AND OP ER AT ING IN STRUC TIONS BE FORE USING THIS EQUIP MENT . Failure to follow all instructions listed below , may result in electric shock, fir e, and/or serious personal injury or property damage. IMPORT ANT SAFETY INSTRUCTIONS 1. FOR YOUR OWN SAFETY , READ THE INSTRUCTION MANUAL BEFOR[...]

5 ADDITIONAL SPECIFIC SAFETY RULES 1. DO NOT OPERA TE THIS MACHINE UNTIL it is assembled and installed according to the instructions. 2. OBT AIN ADVICE from your supervisor , instructor , or another qualified person if you are not familiar with the operation of this tool. 3. FOLLOW ALL WIRING CODES and recommended electrical connections. 4. USE THE[...]

6 Fig. A Fig. B GROUNDED OUTLET BOX CURRENT CARR YING PRONGS GROUNDING BLADE IS LONGEST OF THE 3 BLADES GROUNDED OUTLET BOX GROUNDING MEANS ADAPTER POWER CONNECTIONS A separate electrical circuit should be used for your machines. This cir cuit should not be less than #12 wir e and should be protected with a 20 Amp time lag fuse. If an extension cor[...]

7 3 . Gr ounded, cor d-connected machines intended for use on a supply circuit having a nominal rating between 150 - 250 volts, inclusive: If the machine is intended for use on a circuit that has an outlet 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 [...]

8 1 2 3 4 5 UNP ACKING AND CLEANING Carefully unpack the machine and all loose items fr om the shipping container(s). Remove the pr otective coating from all unpainted surfaces. This coating may be removed with a soft cloth moistened with ker osene (do not u se acetone, gasoline or lacquer thinner for this purpose). After cleaning, cover the unpain[...]

9 24. T able Handle (2) 25. Male Hinge (2) 26. Door Latch 27. Female Hinge (2) 28. Cord Bushing 15 16 17 18 19 20 21 22 23 24 25 26 27 28 15. 5/16-18 x 1-1/2" Hex Head Screw (4) 16. 5/16-18 x 3/4" Carriage Head Bolt (16) 17. #10-24 x 1/2" Socket Head Cap Screw (8) 18. #10-32 x 1/2" Pan Head Screw (4) 19. 5/16" Flat W asher [...]

10 A TT ACHING 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-tighte[...]

11 SINGLE PHASE (MODELS 28-248F & 28-348F) & THREE PHASE (MODELS 28-248G & 28-248G) NOTE: The single phase L VC box comes with a connected power cor d. The thr ee-phase L VC box does NOT come with a power cord. 1. Loosen, but do not remove the thr ee scr ews (A) Fig. 1 on the back of the L VC box. 2. Insert the power cor d (single phase[...]

12 INST ALLING 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 ar e using the accessory height attachment with your saw . In that case, position the cord in fr ont of the dust chute. NOTE: Be certain that the tab on the dus[...]

13 A TT ACHING THE DOOR TO THE ST AND 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 scr ew through the hole in the stand, and thread the scr ew into the hinge. Repeat this pr ocess in[...]

14 A TT ACHING THE SAW TO THE ST AND The band saw is VER Y 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 [...]

15 A TT ACHING THE T ABLE 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 fr ont of the saw . 2. Thread a 7/16" jam nut (C) Fig. 25 on each table stud and tighten securely . 3. Place a table ha[...]

16 A TT ACHING THE BLADE TO THE SAW Use only 93-1/2" blades on the 14" band saw . 1. Remove the table pin (A) Fig. 28. 2. Open the blade guard door (C) Fig. 28, then open the two wheel-guard doors (B) Fig. 28. 3. Move the quick tension lever (D) Fig. 28 toward the back of the saw to relieve tension. NOTE: Install the blade with the teeth [...]

17 A TT ACHING THE ON / OFF SWITCH TO THE ST AND 1. Remove the two outer hex nuts and lock washers (A) Fig. 31 from the two scr ews on the back of the switch box (B). 2. 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. 3. Use the two nuts and lockwashers (L) Fig. 33, removed in ST[...]

18 OPERA TION ST ARTING AND STOPPING THE SAW 1. The on/off switch is located on the left side of the machine. T o tur n the machine “ON”, push the green start button (A) Fig. 38. 2 . T o turn the machine “OFF”, push the red stop button. Make sure that the switch is in the "OFF" position before plugging in the power cor d. In the e[...]

19 ADJUSTING THE 90 ° DEGREE T ABLE STOP 1. Loosen the table clamp handles (A) Fig. 40, and tilt the table to the right. 2. Rotate the stop (B) Fig. 42 out of the way . 3. Place a square (G) Fig. 43 on the table and against the blade and position the table 90° to the blade. 4. Clamp table handles (A) Fig. 40. 5. Rotate the stop (B) Fig. 42 until [...]

20 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 blade breakage and/or other unsatisfactory blade performance. Release the tension when the tool is not in use. ADJUSTING THE BLADE TENSION T o adjust the blade tension[...]

21 Before tracking the blade, make sur e that the blade guides and blade support bearings ar e clear of the blade. TRACKING 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 cr eeps towar d the[...]

22 Adjust the upper blade guides and blade support bearings ONL Y AFTER the blade has the correct tension and is tracking properly . T o adjust: 1. Make sure that the bottom blade guides and support bearings are not touching the blade. 2. Check the upper blade guide assembly . The blade guides (A) Fig. 51 should be parallel to the blade. T o adjust[...]

23 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 a new kerf, then a narrower blade, a blade with more set, or additional r elief cuts Fig. 54 may be necessary to allow the blade to cut more ef ficiently . The more se[...]

24 T rouble: BAND SAW DOES NOT COME UP TO SPEED. Probable Cause Remedy 1. Low voltage due to improper extension cord size. 1. Replace with adequate size cord. 2. Low voltage. 2. Contact an electrician. 3. Motor wired for incorrect voltage. 3. Rewire motor for correct voltage. T rouble: BLADES BREAK. Probable Cause Remedy 1. Blade not tensioned prop[...]

25 BAND SA W BLADES A band saw blade is a delicate piece of steel that is subjected to tremendous strain. Y ou 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 fo[...]

26 REPLACEMENT P ARTS 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 REP AIRS All quality tools will eventually requir e servicing, or replacement of parts due to wear fr om normal use. For assistance with your too[...]

T wo Y ear Limited New Pr oduct W arranty Delta will repair or r eplace, at its expense and at its option, any new Delta machine, machine part, or machine accessory which in normal use has proven to be defective in workmanship or material, pr ovided that the customer returns the product pr epaid to a Delta factory service center or authorized servi[...]

28 Delta Machinery 4825 Highway 45 North Jackson, TN 38305 www .deltamachinery .com[...]