Porter-Cable 28-248 manuale d’uso

INSTRUCTION MANUAL 14" W ood Cutting Band Saw (Model 28-248) (Model 28-475X) P ART NO. 426-02-651-0055 - 06-10-03 Copyright © 2003 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 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[...]

3 1. FOR YOUR OWN SAFETY , READ THE INSTRUCT - TION MANUAL BEFORE OPERA TING THE MACHINE. Learning the machine’ s application, limitations, and specific hazards will gr eatly minimize the possibility of accidents and injury . 2. USE CERTIFIED SAFETY EQUIPMENT . Eye protection equipment should comply with ANSI Z87.1 standards, hearing equipment sh[...]

4 F AILURE TO FOLLOW THESE RULES MA Y RESUL T IN SERIOUS PERSONAL INJURY . ADDITIONAL SAFETY RULES FOR BAND SA WS SA VE THESE INSTRUCTIONS. Refer to them often and use them to instruct others. 1. DO NOT OPERA TE THIS MACHINE UNTIL it is assembled and installed accor ding to the instructions. 2. OBT AIN ADVICE from your supervisor, instructor , or a[...]

5 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[...]

6 Use proper extension cor ds. Make sure your extension cor d is in good condition and is a 3-wire extension cord which has a 3-pr ong grounding type plug and matching r eceptacle which will accept the machine’ s plug. When using an extension cord, be sur e to use one heavy enough to carry the current of the machine. An undersized cord will cause[...]

7 UNP ACKING AND CLEANING Carefully unpack the machine and all loose items fr om the shipping container(s). Remove the protective coating fr om all unpainted surfaces. This coating may be removed with a soft cloth moistened with kerosene (do not use acetone, gasoline or lacquer thinner for this purpose). After cleaning, cover the unpainted surfaces[...]

8 BAND SA W P AR TS Fig. 4 Fig. 5 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1. Saw 2. Stand 3. Dust Chute 4. T op Plate 5. Stand Door 6. Motor and key (A) 7. T able 8. Belt 9. On/Off Switch 10 Motor Bracket (2) 11. Dust Spout 12. Blade 13. T able Insert 14. Motor Pulley 15. 5/16-18x1½" Hex Head Screw (4) 16. 5/1[...]

9 ASSEMBL Y 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. MOTOR BRACKET TO ST AND 1. Place the stand base on its side as shown in Fig. 6. Fig. 6 2. Align the two holes in the motor bracket (A) Fig. 7, with the two holes in t[...]

10 TOP PLA TE TO ST AND 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. Align the two square holes on the side of the plate (A) Fig. 10, with the two square holes on the side of the stand (B). 4. Insert a 5/16-18x3/4" car[...]

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. B. Insert a #10-32x1/2" pan head screw thr ough the two holes in the dust port (B) Fig. 15, and stand. Threa[...]

12 6. Align the two holes in the hinge (C) Fig. 19, with the two holes in the stand door (D). MAKE SURE THA T THE HINGE OPENING IS POINTING DOWN. 7. Insert a #10-24x1/2" socket head cap screw thr ough the hole in the door , and thread the scr ew into the hole in the hinge. Repeat this process for the r emaining hole in the door and the hinge. [...]

13 SA W TO ST AND THE BAND SAW IS VER Y HEA VY . USE A HELPER WHEN A TT ACHING THE SAW TO THE ST AND. 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 ST AND WITH THE BEL T OPENING (B). 2. Align the four holes in the saw with the four holes in the top of the stand. 3. Place[...]

14 T ABLE 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 T ABLE IS F ACING AWA Y FROM THE ARM (D). 2. Thread a 7/16" jam nut (C) Fig. 28 onto each table stud and tighten securely . 3.[...]

15 BLADE TO SA W THE 14" BAND SAW USES 93½" LENGTH BLADES. 1. Remove the table pin (A) Fig. 31 from the table. 2. Open the two wheel guard doors (B) Fig. 31, and the blade guard door (C). 3. Make sure the quick tension lever (D) Fig. 31, is positioned to the right of the machine, to relieve tension as shown. 4. NOTE: CHECK BLADE TO BE SU[...]

16 ON / OFF SWITCH TO ST AND 1. Remove the two outer hex nuts and lock washers (A) Fig. 34 from the two scr ews extending out from the back of the switch box (B). Fig. 34 2. Insert two screws (C) Fig. 35, located on back of switch box, into two holes (D) located in the band saw arm. Fig. 35 3. Use the two nuts and lockwashers (L) Fig. 36, removed i[...]

17 7. Insert the switch cord (H) Fig. 39, thr ough the hole in the cord bushing (G). 8. Insert the pronged motor plug (J) Fig. 40, into the receptacle (H) of switch cor d. MAKE SURE THA T 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 ACCESSOR Y HEIGHT A TT ACHMENT THE[...]

18 TIL TING THE T ABLE 1. The table on the band saw can be tilted 45 degrees to the right and 8 degrees to the left. T o 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. 43 and 44, and tighten two locking handles (A) Fig. 43. Fig. 43 2. T o tilt the table to t[...]

19 Fig. 47 T o set the adjustable stops: 1. Loosen the two clamp handles (A) Fig. 43. 2. Tilt the table to the right, and turn the stop until either stop screw (M) or (N) Fig. 48, is under the table skirt. 3. Tilt the table to the left until it rests on the selected stop screw (M) or (N) Fig. 48. 4. The angle can be set by turning the stop screw an[...]

20 Fig. 51 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. NOTE: THESE GRADUA TIONS ARE CORRECT FOR A VERAGE [...]

21 ADJUSTING THE UPPER BLADE GUIDES AND BLADE SUPPOR T BEARING 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, do the following: DISCONNECT MACHINE FROM POWER SOURCE 1. Make sure that the bottom blade guides and support bearings are not touching the blade.[...]

22 ADJUSTING LOWER BLADE GUIDES AND BLADE SUPPOR T BEARING Adjust the lower blade guides and blade support bearing after the upper guides and bearing have been adjusted. DISCONNECT MACHINE FROM POWER SOURCE. 1. Adjust the front edge of the guide blocks (B) Fig. 56 so that they are just behind the “gullets” of the saw teeth. T urn the knurled kn[...]

23 TROUBLESHOOTING GUIDE (continued on next page) T rouble: SAW WILL NOT ST ART . Probable Cause Remedy 1. Switch cord / motor cord not plugged in. 1. Plug in switch cord / motor cord. 2. Fuse blown or motor reset tripped. 2. Replace fuse or push motor reset button. 3. Cord damaged. 3. Have cord replaced. T rouble: BREAKER OR MOTOR KICKS OUT FREQUE[...]

24 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: CUT DOES NOT AGREE WITH SETTING ON THE TIL T SCALE. Probable Cause Remedy 1. Pointer out of adjustment 1.[...]

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 you use blades of the pr oper thickness, width and temper for the various types of material and cuts. Always use the widest blade possible. Use narrow blades only f[...]

26 NOTES[...]

27 P AR TS, SERVICE OR W ARRANTY 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, warr[...]

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