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Summary of Contents for Delta 20-330
- Page 1 5" x 6" Horizontal Band Saw (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, 1-800-223-7278 ( 1-800-463-3582). please call...
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Page 2: Table Of Contents
NOT be modified and/or used for any application other than for which it was designed. If you have any questions relative to its application DO NOT use the product until you have written Delta Machinery and we have advised you. -
Page 3: Safety Guidelines - Definitions
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. -
Page 4: General Safety Rules
GENERAL SAFETY RULES IMPORTANT SAFETY INSTRUCTIONS Delta may cause damage to the machine or injury to the user. 14. USE THE PROPER EXTENSION CORD. Make sure your extension cord is in good condition. When using an extension cord, be sure to use one heavy enough to PROTECTION. -
Page 5: Additional Specific Safety Rules
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 6: Grounding Instructions
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 7: Extension Cords
FUNCTIONAL DESCRIPTION FOREWORD Delta Model 20-330 is a horizontal and vertical, metal-cutting band saw in one. The Delta Model 20-330 has a 1/3 HP 120 volt single phase motor. The cutting capacity is 5” diameter at 90 degrees and 2 rectangular shapes, the capacity is 5”... -
Page 8: Unpacking And Cleaning
7. 1/4” flat washer 8. 5/32 hex wrench 9. Cotter pin 10. 5/16” washer 11. 5/16”-18 hex nut ASSEMBLY Fig. 1A Hardware 1. Saw unit 2. Legs 3. Shelf 4. Wheel assembly 5. Stock advance stop 6. Stand handle 7. Vertical table 8. -
Page 9: Assembling Stand
(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" hex head cap screw, insert screw through the hole in the band saw and the hole in the leg, place a 5/16"... - Page 10 IF DURING OPERATION THERE IS ANY TENDENCY FOR THE BAND SAW TO TIP OVER, SLIDE OR WALK ON THE SUPPORTING SURFACE, THE RIGHT LEG OF THE BAND SAW MUST BE SECURED TO A SUPPORTING SURFACE. Align the hole in the “L” shaped floor mounting bracket (A) Fig.
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Page 11: Operation
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. -
Page 12: Adjusting Blade Support Bearings
POWER SOURCE. 1. The blade support bearing (A) Fig. 19, should be ad- justed so it just touches the back of the saw blade after the blade is tracking properly. To adjust, loosen screw (C) and move the bracket (D) up or down until the support bearing (A) just touches the back of the blade (B). -
Page 13: Adjusting Blade Guide Bearings
ADJUSTING BLADE 90 DEGREES TO THE TABLE SURFACE In order for accurate work to be accomplished on your saw the blade must be at 90 degrees to the table surface. To check and adjust, proceed as follows: DISCONNECT POWER SOURCE. -
Page 14: Adjusting Feed Rate
ADJUSTING FEED RATE DISCONNECT POWER SOURCE. The feed rate of the saw arm can be adjusted by turning the control arm (A) Fig. 23, counterclockwise to increase or clockwise to decrease the feed rate. Do not turn the control arm more than one turn at a time. Excessive feed pressure can break or stall the blade. - Page 15 (B) depending on the size of the workpiece, for positioning the arm during set-up. The lever (A) should be engaged with notch (C) when operating the saw in the vertical position. CHANGING SPEEDS AND ADJUSTING BELT TENSION DISCONNECT POWER SOURCE BEFORE CHANGING SPEEDS AND ADJUSTING BELT TENSION.
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Page 16: Blade Selection
(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. - Page 17 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 POWER SOURCE. 1. Move the cutting arm to the vertical position and lock in place with the arm positioning lever (C) Fig. 32.
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Page 18: Cutting Curves
TYPICAL OPERATIONS FOR HORIZONTAL BAND SAW The horizontal band saw cuts all types of metals, including ferrous and non-ferrous metal, steel pipe, angle iron, conduit, brass, aluminum and copper. As shown in Fig. 24 and 25, workpieces can be cut at 90 or tilted to any angle in the vise. -
Page 19: 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. - Page 20 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.
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Page 21: 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. -
Page 22: Failure To Start
3. Remove the old oil from inside the gear box and replace the oil using 140 weight gear oil, available from Delta. The new oil should just come to the edge (C) Fig. of the gear box. Do not overflow. Replace the gasket, cover and four screws that were removed in STEP 3. -
Page 23: Service
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 defective 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. - Page 24 Phone: (604) 420-0102 Fax: (604) 420-3522 The following are trademarks of PORTER-CABLE • DELTA (Las siguientes son marcas registradas de PORTER-CABLE • DELTA S.A.) (Les marques suivantes sont des marques de fabriquant de la PORTER-CABLE • DELTA): Auto-Set Contractor’s Saw II™, Delta ®...
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