(Model 20-330) PART NO. 902126 05-31-05 Copyright © 2005 Delta Machinery 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).
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 SAFETY GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 GENERAL SAFETY RULES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
GENERAL SAFETY RULES READ AND UNDERSTAND ALL WARNINGS AND OPERATING INSTRUCTIONS BEFORE USING THIS EQUIPMENT. Failure to follow all instructions listed below, may result in electric shock, fire, and/or serious personal injury or property damage. IMPORTANT SAFETY INSTRUCTIONS 1. FOR YOUR OWN SAFETY, READ THE INSTRUCTION MANUAL BEFORE OPERATING THE MACHINE. Learning the machine’s application, limitations, and specific hazards will greatly minimize the possibility of accidents and injury. 14. 2.
ADDITIONAL SPECIFIC SAFETY RULES FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS INJURY. 1. 2. 3. 4. 5. 6. 7. 8. 9. 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 qualified person if you are not familiar with the operation of this tool. FOLLOW ALL WIRING CODES and recommended electrical connections. USE THE GUARDS WHENEVER POSSIBLE.
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 3prong grounding type plugs and matching receptacle which will accept the machine’s plug.
EXTENSION CORDS MINIMUM GAUGE EXTENSION CORD RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES Use proper extension cords. Make sure 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.
CARTON CONTENTS Fig. 1A Hardware 1 12 3 5 8 6 9 2 1. Saw unit 2. Legs 3. Shelf 4. Wheel assembly 5. Stock advance stop 6. Stand handle 7. Vertical table 8. Vise clamping handwheel 9. Floor mounting hardware 10. Pulley 11. Table support bracket 12. Pulley guard 11 7 10 4 Fig. 1A Fig. 1B Hardware 8 1 4 2 3 1. M6x10mm hex head screw 2. 6mm lock washer 3. M6 hex nut 4. 5/16”-18x1” 5. 1/4”-20x1/2” 6. 1/4”-20 hex nut 7. 1/4” flat washer 8. 5/32 hex wrench 9. Cotter pin 10. 5/16” washer 11.
ASSEMBLING STAND 1. Assemble the two legs (A) and (B) Fig. 2, to the band saw base using the six 5/16-18x1" hex head cap screws, three of which are shown at (C) Fig. 2, twelve 5/16" flat washers and six 5/16-18" hex nuts. Align the holes in the band saw with the holes in the legs.
ASSEMBLING STAND HANDLE B Insert ends of handle (A) Fig. 5, into the two holes (B) on the right leg and fasten in place using the two cotter pins supplied. A ASSEMBLING STOCK ADVANCE STOP Fig. 5 Assemble the stock advance stop assembly (A) to the hole on the front of the table and tighten the two set screws (B), as shown in Fig. 6. ASSEMBLING GUARD AND BELT A B Open the belt and pulley guard (A) Fig. 7, and position the bottom half of the guard assembly behind the pulleys (B) as shown.
OPERATION OPERATIONAL CONTROLS AND ADJUSTMENTS STARTING AND STOPPING MACHINE 1. The on/off switch (A) Fig. 13 is located on the front of the band saw. To turn the machine “ON,” move the switch up to the “ON” position. 2. To turn the machine “OFF”, move the switch (A) down to the “OFF” position. B B MAKE SURE THAT THE SWITCH IS IN THE “OFF” POSITION BEFORE PLUGGING IN THE POWER CORD. IN THE EVENT OF A POWER FAILURE, MOVE THE SWITCH TO THE “OFF” POSITION. AN ACCIDENTAL START-UP CAN CAUSE INJURY. A Fig.
ADJUSTING BLADE TRACKING C B 1. Place the saw arm in the vertical position and open the wheel cover (A) Fig. 17. A 2. Turn on the band saw. The blade is tracking properly when the back of the blade (B) Fig. 17, is just touching the edge of the wheel flange (C). The back of the blade should not be rubbing against the flange. 3. If an adjustment is necessary the blade guide bearings and blade support bearings (E) Fig. 19 (two of which are shown) should be clear of the blade. Fig. 17 4.
ADJUSTING BLADE GUIDE BEARINGS E DISCONNECT MACHINE POWER SOURCE. FROM D A F 1. The blade guide bearings (A) and (B) Fig. 20 should be adjusted so they just touch the sides of the blade (C) after the blade is tracking properly and the blade support bearing has been adjusted. To adjust, proceed as follows: C B Fig. 20 2. Remove the cover plate that is attached to the face of the right guide bracket (D) Fig. 20. 3. The inside guide bearing (A) Fig.
ADJUSTING BLADE GUIDE BRACKETS DISCONNECT MACHINE POWER SOURCE. C A FROM The left and right blade guide brackets (A) and (B) Fig. 22, are adjustable by loosening the two lock knobs (C) and sliding the brackets to accommodate the width of the work piece. The guide brackets (A) and (B) should be set as close as possible to the workpiece, without interfering or touching the workpiece, or contacting the table. Once the adjustment is made, tighten the lock knobs (C). B C Fig.
ADJUSTING STOCK STOP The stock stop is used when more than one piece is to be cut to the same length. Position the stop block (A) Fig. 26, the desired distance away from the blade. lt is good practice to have the work contact the stop at the bottom of the work, as shown. The stop may be repositioned in or out by loosening set screw (B) and moving the stop accordingly. When not using the stock stop, rotate the stop below the table surface. B A Fig.
When changing speeds, release belt tension and open belt and pulley guard cover (D) Fig. 30. Speed rates of 80, 120, and 200 feet per minute are available with your band saw. When the belt is on the largest step of the motor pulley (A) Fig. 30, and the smallest step of the gear box pulley (B) the blade speed will be 200 feet per minute. When the belt is on the smallest step of the motor pulley (A) and the largest step of the gear box pulley (B) the blade speed will be 80 feet per minute.
CHANGING BAND SAW FROM HORIZONTAL TO VERTICAL POSITION Your saw can be changed to the vertical position for notching, slitting or contour work as follows: DISCONNECT MACHINE POWER SOURCE. C B A FROM 1. Move the cutting arm to the vertical position and lock in place with the arm positioning lever (C) Fig. 32. Stop screw (A) Fig. 32 should bear against base casting when arm is in the vertical position. If adjustment is needed loosen lock nut (B) and adjust screw (A). 2.
CHANGING BLADES DISCONNECT MACHINE POWER SOURCE. B FROM A 1. Raise the saw arm to the vertical position and open the blade wheel cover (A) as shown in Fig. 36. E 2. Release blade tension by turning blade tension hand knob (B). C 3. Remove the two finger guards (C). F 4. Carefully slip blade (D) off both wheels (E), and guide assemblies (F). D 5. Place the new blade between each of the blade guide bearings (F) and around both wheels (E).
TROUBLESHOOTING 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). 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 Remedy 1. Saw not plugged in. 1. Plug in saw. 2. Fuse blown or circuit breaker tripped. 2.
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: 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 guides. 3. Blade support bearing improperly adjusted. 3.
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. Use blades of proper thickness, width and temper for the various types of material and cuts. Any one of a number of conditions may cause a band saw blade to break. Blade breakage is, in some cases, unavoidable, being the natural result of the peculiar stresses to which blades are subjected.
MAINTENANCE LUBRICATING THE VISE SCREW B The vise lead screw should be lubricated using light machine oil as needed. A The drive gears run in an oil bath gear box and it should not be necessary to change this oil more than once a year unless the oil becomes contaminated or a leak occurs due to improper replacement of the gear box cover. To change oil in the gear box, proceed as follows: DISCONNECT MACHINE POWER SOURCE. A FROM Fig. 38 1. Position cutting arm in the horizontal position. 2.
SERVICE PARTS, SERVICE OR WARRANTY ASSISTANCE All Delta Machines and accessories are manufactured to high quality standards and are serviced by a network of Porter-Cable • Delta Factory Service Centers and Delta Authorized Service Stations. To obtain additional information regarding your Delta quality product or to obtain parts, service, warranty assistance, or the location of the nearest service outlet, please call 1-800-223-7278 (In Canada call 1-800-463-3582).
PORTER-CABLE • DELTA SERVICE CENTERS (CENTROS DE SERVICIO DE PORTER-CABLE • DELTA) Parts and Repair Service for Porter-Cable • Delta Machinery are Available at These Locations (Obtenga Refaccion de Partes o Servicio para su Herramienta en los Siguientes Centros de Porter-Cable • Delta) ARIZONA Phoenix 85013-2906 4501 N. 7th Ave.