Porter-Cable 28-306 manuale d’uso

14" Metal/W ood Cutting Band Saw Shown with Optional Stand and Optional Mobile Base Model 28-306 INSTRUCTION MANUAL P ART NO. 426-03-651-0011 - 06-03-03 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 1-800-2[...]

2 W oodworking can be dangerous if safe and pr oper operating procedur es are not followed. As with all machinery , ther e are certain hazar ds involved with the operation of the product. Using the machine with r espect and caution will con- siderably lessen the possibility of personal injury . However , if normal safety precautions are overlooked [...]

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 mini- mize the possibility of accidents and injury . 2. USE CERTIFIED SAFETY EQUIPMENT . Eye pr o- tection equipment should comply with ANSI Z87.1 standards, hearing equipme[...]

4 ADDITIONAL SAFETY RULES FOR BAND SA WS 1. DO NOT OPERA TE THIS MACHINE UNTIL it is assembled and installed according to the instruc- tions. 2. OBT AIN ADVICE from your supervisor, instruc- tor , 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[...]

5 A separate electrical circuit should be used for your machines. This cir cuit should not be less than #12 wire and should be pr o - tected with a 20 Amp time lag fuse. If an extension cord is used, use only 3-wir e extension cords which have 3-pr ong ground- ing type plugs and matching receptacle which will accept the machine’ s plug. Before co[...]

6 Use proper extension cor ds. Make sure your extension cor d is in good condition and is a 3-wire extension cor d which has a 3-prong gr ounding type plug and matching receptacle 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 ASSEMBL Y OPTIONAL ST AND The optional stand is shipped top-down in the shipping container with the motor mounted to the inside top of the stand. The on/off switch is wir ed to the end of the power cord. T o make the motor operational, do the following: 1. Remove the stand (A) Fig. 4 from the shipping container . Be careful not to crimp the switc[...]

8 A TT ACHING BEL T AND PULLEY GUARD, A TT ACHING AND ALIGNING V -BEL T , ADJUSTING BEL T TENSION DISCONNECT MACHINE FROM POWER SOURCE. 1. Use a straight edge to align the inside grooves of the pulleys (A) and (B) Fig. 9 to the inside edge of the drive pulley (C). The pulleys can be moved in or out on the shafts and the motor can also be moved. 2. [...]

9 A TT ACHING THE SWITCH A push-button switch (mounted in a switch box) and a cord set ar e supplied with the unit. T o attach the switch to the band saw arm: DISCONNECT MACHINE FROM POWER SOURCE. The on/off switch-to-motor cor d (F) Fig. 11 is tied to the vertical mounting post (G) opposite the motor pulley . The cable tie (H) prevents the switch-[...]

10 Fig. 19 T ABLE INSER T Place the table insert (A) Fig. 19 in the hole provided in the table. Engage the protrusion on the insert in the indent (B) in the table. TIL TING THE T ABLE 1. The table on the machine can be tilted 45 degrees to the right and 10 degr ees to the left. T o tilt the table to the right, loosen the two locking knobs (A) Fig. [...]

11 ADJUSTING BLADE TENSION A series of graduations is located on the back of the upper wheel slide bracket. These graduations indicate the proper tension for various widths of blades. With the blade on the wheels, turn the knob (A) Fig. 23 to raise or lower the wheel, until the re d fiber washer (D) Fig. 25 is in line with the proper graduation for[...]

12 Fig. 30 Fig. 31 When using the machine for wood cutting (3000 SFM), pull the shifter knob (A) Fig. 30 all the way out so that the lugs of the clutch (B) are engaged with the hub (C) of the drive pulley . This action will disengage the clutch (D) from the hub (E) of the gear that transmits power through the gear box. It may be necessary to r otat[...]

13 BEL T AND PULLEY ARRANGEMENTS FOR ALL EIGHT A V AILABLE SPEEDS With the longest belt on the inside groove of the motor pulley (B) Fig. 32 and on the drive pulley (C), and the small belt in one of the remaining thr ee grooves of the motor pulley and the corr esponding groove of the gear box pulley (E), speeds of 40, 60, 85, and 3000 SFM are r ead[...]

14 T rouble: BAND SA W DOES NOT COME UP TO SPEED. Pr obable Cause Remedy 1. Low voltage due to improper extension cord size. 1. Replace with adequate size cord. 2. Low voltage. 2. Contact an electrician. T rouble: BLADES BREAK. Pr obable Cause Remedy 1. Blade not tensioned properly . 1. Adjust blade tension. 2. Blade guides improperly adjusted. 2. [...]

15 CUTTING CURVES When cutting curves, turn the stock carefully so that the blade may follow without being twisted. If a curve is so abrupt that repeated new kerfs ar e needed, then use either a narrower blade or one that has mor e set. The more set a blade has, the easier the stock is to turn. However , the cut is usually rougher than when using a[...]

16 BAND SAW 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 proper thickness, width, and temper for the various types of material and cuts. Always use the widest blade possible. Use narrow blades only fo[...]

17 LUBRICA TION The gear case is filled at the factory with 1-1/2 quarts of oil. The case should be drained after 1500 to 2000 hours of operation and filled with a good grade of heavy adhe- sive gear oil. A pipe plug is located underneath the machine in line with the gear pulley . Remove this plug to drain the oil. This machine is equipped with a 1[...]

18 P ARTS, 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, warra[...]

19 T wo Y ear Limited New Pr oduct W arranty Delta will repair or r eplace, 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, pr ovided that the customer returns the prod- uct prepaid to a Delta factory service center or authorized s[...]

20 The following are trademarks of POR TER-CABLE · DEL T A (Las siguientes son marcas registradas de POR TER-CABLE S.A.): Auto-Set ® , BAM- MER ® , B.O.S.S. ® , Builder’ s Saw ® , Contractor’ s Saw ® , Contractor’ s Saw II™, Delta ® , DEL T ACRAFT ® , DEL T AGRAM™, Delta Series 2000™, DURA TRONIC™, Emc²™, FLEX ® , Flying C[...]