Delta 20-330 manuale d’uso

INSTRUCTION MANUAL 5" x 6" Horizontal Band Saw (Model 20-330) P ART NO. 902126 05-31-05 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).[...]

2 T ABLE OF CONTENTS 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 prop[...]

3 Indicates an imminently hazardous situation which, if not avoided, will r esult in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, could r esult in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, may r esult in minor or moderate injury . Used without the saf[...]

4 GENERAL SAFETY RULES READ AND UNDERST AND ALL W ARNINGS AND OPERA TING INSTRUCTIONS BEFORE USING THIS EQUIPMENT . Failure to follow all instructions listed below , may result in electric shock, fire, and/or serious personal injury or pr operty damage. IMPORT ANT SAFETY INSTRUCTIONS 1. FOR YOUR OWN SAFETY , READ THE INSTRUCTION MANUAL BEFORE OPERA[...]

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 A separate electrical circuit should be used for your machines. This cir cuit should not be less than #12 wire and should be protected with a 20 Amp time lag fuse. If an extension cor d is used, use only 3-wire extension cor ds which have 3- prong gr ounding type plugs and matching receptacle which will accept the machine’ s plug. Before connec[...]

7 NOTICE: THE PHOTO ON THE MANUAL COVER ILLUSTRA TES THE CURRENT PRODUCTION MODEL. ALL OTHER ILLUSTRA TIONS CONT AINED IN THE MANUAL ARE REPRESENT A TIVE ONL Y AND MA Y NOT DEPICT THE ACTUAL COLOR, LABELING OR ACCESSORIES AND ARE INTENDED TO ILLUSTRA TE TECHNIQUE ONL Y . FOREWORD FUNCTIONAL DESCRIPTION Delta Model 20-330 is a horizontal and vertica[...]

8 FOR YOUR OWN SAFETY , DO NOT CONNECT THE MACHINE TO THE POWER SOURCE UNTIL THE MACHINE IS COMPLETEL Y ASSEMBLED AND YOU READ AND UNDERST AND THE ENTIRE INSTRUCTION MANUAL. ASSEMBL Y CAR TON CONTENTS Fig. 1A Hardwar e 1. Saw unit 2. Legs 3. Shelf 4. Wheel assembly 5. Stock advance stop 6. Stand handle 7. V ertical table 8. Vise clamping handwheel [...]

9 ASSEMBLING ST AND 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, thr ee 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. Place a 5/16" flat washer onto a 5/16-18x1&q[...]

10 ASSEMBLING ST AND HANDLE 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. Fig. 5 ASSEMBLING STOCK ADV ANCE STOP 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. Fig. 6 ASSEMBLI[...]

11 Fig. 13 AUTOMA TIC SHUT -OFF When the band saw is in the horizontal position, the saw should shut itself off automatically . After a completed cut has been made, and the saw is in the down or horizontal position, the shut-off bracket (B) Fig. 14 will contact the toggle switch (A) and push it to the down position, turning off the power . IMPORT A[...]

12 ADJUSTING BLADE TRACKING 1. Place the saw arm in the vertical position and open the wheel cover (A) Fig. 17. 2. T ur n 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 n[...]

13 ADJUSTING BLADE GUIDE BEARINGS DISCONNECT MACHINE FROM POWER SOURCE. 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. T o adjust, proceed as follows: 2. Remove the cover plate that is attached to t[...]

14 ADJUSTING BLADE GUIDE BRACKETS DISCONNECT MACHINE FROM POWER SOURCE. 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 inter[...]

15 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 fr om 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 scr ew (B) and mov[...]

16 BLADE SELECTION 1. Y our band saw uses blades 1/2" wide, 64½" long and .020-.025 thick. Accessory blades with a pitch (number of teeth per . inch of the blade) of 10 and 14 are available fr om Delta. 2. Never use a blade so coarse that less than three consecutive teeth are engaged in the workpiece at one time. (T oo few teeth will cau[...]

17 CHANGING BAND SAW FROM HORIZONT AL TO VERTICAL POSITION Y our saw can be changed to the vertical position for notching, slitting or contour work as follows: DISCONNECT MACHINE FROM POWER SOURCE. 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 agains[...]

18 TYPICAL OPERA TIONS FOR VER TICAL BAND SAW NOTE: THIS BAND SAW IS RECOMMENDED FOR USE IN CUTTING MET AL ONL Y . Before starting the machine, see that all adjustments ar e properly made and the guar ds are in place. T ur n the upper wheel by hand to make sure that everything is corr ect BEFORE turning on the power . Keep the top guide within 1/8&[...]

19 In spite of how well a band saw is maintained, problems can occur . The following troubleshooting guide will help you solve the more common pr oblems: (continued on next page) T rouble: SAW WILL NOT ST ART . Probable Cause Remedy 1. Saw not plugged in. 1. Plug in saw . 2. Fuse blown or circuit breaker tripped. 2. Replace fuse or reset circuit br[...]

20 T rouble: BLADE WILL NOT TRACK. Pr obable 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. T rouble: BLADE WILL NOT ST A Y ON WHEEL. Pr obable Cause Remedy 1. Blade not tensioned properly . 1. Adjust blade [...]

21 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 fr om 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 b[...]

22 MAINTENANCE LUBRICA TING THE VISE SCREW The vise lead screw should be lubricated using light machine oil as needed. 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 r eplacement of the gear box cover . T o chang[...]

23 23 P AR TS, SERVICE OR WARRANTY ASSIST ANCE All Delta Machines and accessories are manufactur ed to high quality standards and ar e serviced by a network of Porter -Cable • Delta Factory Service Centers and Delta Authorized Service Stations. T o obtain additional information regar ding your Delta quality product or to obtain parts, service, wa[...]

The following are trademarks of POR TER-CABLE • DEL T A (Las siguientes son marcas registradas de POR TER-CABLE • DEL T A S.A.) (Les marques suivantes sont des marques de fabriquant de la POR TER-CABLE • DEL T A): Auto-Set ® , BAMMER ® , B.O.S.S. ® , Builder’ s Saw ® , Contractor’ s Saw ® , Contractor’ s Saw II™, Delta ® , DEL T[...]