Delta 28-248 Instruction Manual

Delta 28-248 Instruction Manual

14" wood cutting band saw
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14" Wood Cutting Band Saw
(Model 28-248)
(Model 28-475X)
PART NO. 426-02-651-0055 - 06-10-03
Copyright © 2003 Delta Machinery
To learn more about DELTA MACHINERY
visit our website at: www.deltamachinery.com.
For Parts, Service, Warranty or other Assistance,
1-800-223-7278 (
1-800-463-3582).
please call
In Canada call

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Summary of Contents for Delta 28-248

  • Page 1 14" Wood Cutting Band Saw (Model 28-248) (Model 28-475X) PART NO. 426-02-651-0055 - 06-10-03 Copyright © 2003 Delta Machinery To learn more about DELTA MACHINERY visit our website at: www.deltamachinery.com. For Parts, Service, Warranty or other Assistance, 1-800-223-7278 ( 1-800-463-3582).
  • Page 2: Safety Guidelines - Definitions

    SAFETY GUIDELINES - DEFINITIONS This manual contains information that is important for you to know and understand. This information relates to protect- ing YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the symbols to the right. Please read the manual and pay attention to these sections. Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 3 FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY. FOR YOUR OWN SAFETY, READ THE INSTRUCT- TION MANUAL BEFORE MACHINE. Learning the machine’s application, limitations, and specific hazards will greatly minimize the possibility of accidents and injury. USE CERTIFIED SAFETY EQUIPMENT. Eye protection equipment should comply with ANSI Z87.1 standards, hearing equipment should comply with ANSI S3.19 standards, and dust mask...
  • Page 4: Additional Safety Rules For Band Saws

    11. NEVER START THE MACHINE with the workpiece against the blade. 12. HOLD WORKPIECE FIRMLY against the table. DO NOT attempt to saw a workpiece that does not have a flat surface against the table. 13. HOLD WORKPIECE FIRMLY and feed into blade at a moderate speed.
  • Page 5: 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.
  • Page 6: Extension Cords

    FUNCTIONAL DESCRIPTION FOREWORD Delta Models 28-248 and the 28-475X are 14" wood cutting band saws. The band saws have a quick tensioning blade mechanism for ease with changing blades and applying tension to the blade. The Delta Models 28-248 and 28-475X have large 16"x16"...
  • Page 7: Unpacking And Cleaning

    2. Remove the two bolts (B) Fig. 2, with a 3/8" wrench, that attach the motor to the packing skid (A) 3. Remove the bolts that attach the stand (C) Fig. 3, and the saw (D) to the the packing skid (A) with a 1/2" wrench. Fig. 2...
  • Page 8 10 Motor Bracket (2) 11. Dust Spout 12. Blade 13. Table Insert 14. Motor Pulley BAND SAW PARTS 15. 5/16-18x1½" Hex Head Screw (4) 16. 5/16-18x3/4" Carriage Head Bolt (16) 17. #10-24x1/2" Socket Head Cap Screw (8) 18. #10-32x1/2" Pan Head Screw (4) 19.
  • Page 9 FOR YOUR OWN SAFETY, DO NOT CONNECT THE MACHINE TO THE POWER SOURCE UNTIL THE MACHINE IS COMPLETELY ASSEMBLED AND YOU READ AND UNDERSTAND THE ENTIRE INSTRUCTION MANUAL. MOTOR BRACKET TO STAND 1. Place the stand base on its side as shown in Fig. 6. 2.
  • Page 10: Dust Chute

    TOP PLATE TO STAND 1. Place the top plate (A) Fig. 10, on the top of the stand (B). 2. Align the six square holes on the top plate (A) Fig. 10, with the six square holes in the stand (B). 3.
  • Page 11 BAND SAW USED WITH A DUST COLLECTOR 3. If you are going to use your band saw with a dust collector, attach the dust port as follows: A. Align the four holes in the dust port (A) Fig. 15, with the four holes in the side of the stand.
  • Page 12 6. Align the two holes in the hinge (C) Fig. 19, with the two holes in the stand door (D). MAKE SURE THAT THE HINGE OPENING IS POINTING DOWN. 7. Insert a #10-24x1/2" socket head cap screw through the hole in the door, and thread the screw into the hole in the hinge.
  • Page 13: Motor Pulley

    HELPER WHEN ATTACHING THE SAW TO THE STAND. 1. Place the band saw on top of the stand as shown in Fig. 23. NOTE: MAKE SURE THE PULLEY (A) FIG. 23, IS ON THE SIDE OF THE STAND WITH THE BELT OPENING (B).
  • Page 14 TABLE TO SAW 1. Align the two table studs (A) Fig. 27, in the bottom of the table, with the two holes in the trunnion assemblies (B). Place table on trunnion assemblies. NOTE: MAKE SURE THE SLOT (C) FIG. 27, IN THE TABLE IS FACING AWAY FROM THE ARM (D).
  • Page 15: Table Insert

    4. NOTE: CHECK BLADE TO BE SURE TEETH WILL POINT DOWN TOWARD TABLE WHEN INSTALLED. IF NOT, TURN BLADE INSIDE OUT. Slide the band saw blade, (teeth facing out), through the slot (E) Fig. 31, in the band saw table.
  • Page 16 Fig. 34 from the two screws extending out from the back of the switch box (B). 2. Insert two screws (C) Fig. 35, located on back of switch box, into two holes (D) located in the band saw arm. 3. Use the two nuts and lockwashers (L) Fig. 36, removed in STEP 1, to fasten the switch box to the bandsaw arm.
  • Page 17: Operating Controls And Adjustments

    MAKE SURE THAT THE MOTOR PLUG (J) FIG. 40 AND THE SWITCH CORD (H) ARE ROUTED BEHIND THE DUST CHUTE (K). IF THE BAND SAW IS BEING USED WITH THE ACCESSORY HEIGHT ATTACHMENT THE THE CORD HAS TO BE ROUTED IN FRONT OF THE DUST CHUTE.
  • Page 18: Tilting The Table

    DISCONNECT MACHINE FROM POWER SOURCE. 1. The table on the band saw can be tilted 45 degrees to the right and 8 degrees to the left. To tilt the table to the right, loosen the two clamp handles (A) Fig. 43, tilt the table to the desired angle as shown on the scale (D) Figs.
  • Page 19: Adjusting Blade Tension

    TENSION DISCONNECT MACHINE FROM POWER SOURCE. The band saw is equipped with a blade tension handle (A) Fig. 49. To apply tension, move the tension handle (A) to the left as shown. To release the blade tension, move the tension lever lock (B) Fig. 49 up, and move the tension handle (A) to the right as shown in Fig.
  • Page 20: Tracking The Blade

    5. The band saw blade tension can be fined tune by turning adjustment nut (N) Fig. 51, while the blade is tensioned. 6. A series of graduations is located on the back of the upper wheel slide bracket (T) Fig. 51. These graduations indicate the proper tension for various widths of blades.
  • Page 21: Support Bearing

    (A) Fig. 55. 6. The upper blade support bearing (E) Fig. 55 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"...
  • Page 22: Adjusting Lower Blade Guides And Blade Support Bearing

    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.
  • Page 23: Troubleshooting Guide

    TROUBLESHOOTING GUIDE In spite of how well a band saw is maintained, problems can occur. The following troubleshooting guide will help you solve the more common problems: Trouble: SAW WILL NOT START. Probable Cause 1. Switch cord / motor cord not plugged in.
  • Page 24 3. Blade support bearing improperly adjusted. 4. Blade wheel not tracking properly. 5. Bad weld on blade. 6. Worn tires. Trouble: BAND SAW MAKES UNSATISFACTORY CUTS. Probable Cause 1. Blade not tensioned properly. 2. Blade guides improperly adjusted. 3. Blade support bearing improperly set.
  • Page 25: 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 you use blades of the proper thickness, width and temper for the various types of material and cuts.
  • Page 26 NOTES...
  • Page 27: Parts, Service Or Warranty Assistance

    A complete line of accessories is available from your Delta Supplier, Porter-Cable • Delta Factory Service Centers, and Delta Authorized Service Stations. Please visit our Web Site for the name of your nearest supplier. Since accessories other than those offered by Delta have not been tested with this product, use of such accessories could be hazardous.
  • Page 28 PORTER-CABLE (CENTROS DE SERVICIO DE PORTER-CABLE Parts and Repair Service for Porter-Cable (Obtenga Refaccion de Partes o Servicio para su Herramienta en los Siguientes Centros de Porter-Cable ARIZONA ILLINOIS Tempe 85282 (Phoenix) Addison 60101 (Chicago) 2400 West Southern Avenue 400 South Rohlwing Rd.

This manual is also suitable for:

28-475x

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