Delta 28-255, Instruction Manual

Page 1: ...INSTRUCTION M A N U A L D ATED 6 10 99 PA RT NO 426 02 651 0032 Delta International Machinery Corp 1999 Platinum Edition 14 Band Saw Model 28 255 ...

Page 2: ... AW TO P O W E R SOURCE Power Connections 12 Motor Specifications 12 Grounding Instructions 13 Extension Cords 13 OPERATING CONTROLS A N D ADJUSTMENTS St arting And Stopping The Saw 14 Locking The Switch In The OFF Position 14 Table Insert 14 Tilting The Table 15 Adjusting Table Stop 15 Adjusting Blade Tension 16 Tracking The Blade 16 Adjusting Upper Blade Guide Assembly 17 Adjusting Upper Blade G...

Page 3: ...fer at the rate for which it was designed 1 0 USE RIGHT TO O L D o n tf o r c et o o lo ra t tachment to do a job for which it was not designed 11 W E A R PROPER APPAREL No loose clothing gloves neckties rings bracelets or other jewelry to get caught in moving pa r ts Nonslip footwear is recommended Wear protective hair covering to contain long hair 12 ALW AYS USE SAFETY GLASSES W ear safety glass...

Page 4: ... St andards Institute ANSI 01 1 Safety Require ments for Woodworking Machinery and the U S Depa r t ment of Labor OSHA 1910 213 Regulations 11 S AVE THESE INSTRUCTIONS Refer to them fre U N PACKING A N D CLEANING Carefully unpack the band saw s tand mobile base and 12 capacity rip fence from the shipping containers Remove the protective coating from the machined surfaces of the band saw This coati...

Page 5: ...as shown the mobile base should be level with the floor surface and the two rubber feet one of which is shown a t L should conta c t t h e f l o o r s u r f a c e To adjust the rub ber feet tighten and loosen the hex nut which is shown at M and the nut which is located directly above the rubber feet 5 IMPORTANT W H E N PLACING THE MACHINE ON THE MOBILE BASE M A K E CERTAIN FOOT LEVER A FIG 7 I S I...

Page 6: ...shipped top down inside the shipping container with the motor mounted to the inside top o f t h e s tand The on off switch is wired to the end of the power cord The motor must be removed from the inside top of the stand and reassembled to the horizontal mount ing bars inside the stand as follows 1 Remove the stand A Fig 9 from the shipping con t ainer being careful not to crimp the switch cord whi...

Page 7: ...izontal support bars B as shown and fasten with four 3 4 long carriage b o l ts two of which are shown at D and four flanged nuts IMPORTANT M A K E CERTAIN M O TOR SHAFT E I S O N THE S A M E SIDE OF THE STA N D A S THE LARGE OPENING IN THE TO P O F THE STAND BEFORE TIGHT ENING CARRIAGE B O LTS D Further motor alignment will be necessary after band saw is fastened to stand Fig 13 3 Insert power co...

Page 8: ...f which are shown at E Fig 15 with flat washers and flange nuts ASSEMBLING A N D ALIGNING V BELT ADJUSTING BELT TENSION 1 Using a straight edge align motor pulley A F i g 1 6 to the driven pulley B If necessary both pulleys can be adjusted inward or outward The motor C can also be adjusted on the motor mounting bars D 2 Assemble the V belt E Fig 16 to pulleys A and B and adjust the belt tension by...

Page 9: ... E M O TO R PULLEY THIS CABLE TIE H PREVENTS THE SWITCH TO MOTO R C O R D F FROM CONTACTING THE BELT O R M O TO R PULLEY DURING OPERATION IMPORTANT D O NOT REMOVE THIS CABLE TIE UNLESS Y O U ARE USING THE A C C E S S O RY 28 984 HEIGHT ATTA C H M E N T WITH THE B A N D S AW 3 Remove two outer hex nuts and lock washers A Fig 19 from the two screws extending out from the back of the switch box B 4 I...

Page 10: ... F N E C E S S A RY THEN TIGHTEN CABLE TIE H Fig 21 ASSEMBLING RIP FENCE 1 M A K E C E R TAIN T H E M A C H I N E IS DISCON NECTED F R O M THE P O W E R SOURCE 2 Assemble rear guide rail A Fig 22 to band saw t able using 1 4 28 x 1 hex socket head screws B at locations C Do not completely tighten hardware at this t i m e 3 Assemble front guide rail D Fig 23 to band saw t able using 1 4 28 x 1 1 4 ...

Page 11: ...has v e r t i c a l s l o ts to allow for height adjustments 7 F i g 2 7 i l l u s t r a t e s a p r o p e r l y a d j u s t e d f e n c e H Ti g h t e n screws C Figs 26 and 27 after adjustments are made D H A C H Fig 27 A C H Fig 28 H L K J 8 Position the fence assembly H Fig 28 at one edge of the miter gage slot J as shown Tighten knob K Check to see that the fence assembly is pa r a l l e l t ...

Page 12: ...E D K E N M CONNECTING BAND SAW TO P O W E R SOURCE P O W E R CONNECTIONS A separate electrical circuit should be used for your tools This circuit should not be less than 12 wire and should be protected with a 20 Amp fuse Have a certified electrician replace or repa i ra worn cord immediately Before connecting the motor to a power line make sure the switch is in the OFF position and be sure that t...

Page 13: ...ances D o n o t m o d i f y t h e p l u g p r o v i d e d i f i t w i l l n o t f i t t h e o u t l e t have the proper outlet insta l l e d b y a q u a l i f i e d e l e c t r i c i a n Improper connection of the equipment grounding conduc t o r c a n r e s u l t i n r i s k o f e l e c t r i c s h o c k The conductor with insulation having an outer surface that is green with or without yellow st...

Page 14: ...n the band saw is not in use the on off switch trigger be locked in the OFF position using a padlock C Fig 35 through the two holes in the switch plate as shown in Fig 35 NOTE Padlock shown is available as accessory model 50 325 2 To turn the band saw OFF simply push down on the switch shield A F i g 3 4 TABLE INSERT Place table insert A Fig 36 into the hole provided in t h etable surface making c...

Page 15: ...or lower table stop B 3 Lower the table and make certa i n t h e ta b l e i s 90 degrees to the blade as shown in F i g 3 9 4 It is necessary to remove the adjusta b l e table stop B F i g 3 8 w h e n t i l t i n g t h e ta b l e t o t h e l e ft TILTING THE TABLE 1 The table on the band saw can be tilted 45 degrees to the right and 10 degrees to the left Tot i l tt h etable to the right loosen tw...

Page 16: ...f r a c t i o n o f a t u r n a t a t i m e NEVER TRACK THE BLADE WHILE THE MACHINE I S RUNNING A fter the blade is tracking in the center of the tires tighten the wing nut B F i g 4 2 ADJUSTING BLADE TENSION DISCONNECT MACHINE FROM POWER SOURCE On the back of the upper wheel slide bracket there is a series of graduations These indicate the proper tension for various widths of blades With the blad...

Page 17: ...could damage the set in the saw teeth The sup port bearing E should be set 1 64 behind the blade by loosening thumb screw F and turning knurled knob G to move the support bearing E in or out 4 The blade support bearing E should also be adjust ed so the back edge of the blade overlaps the outside diameter of the ball bearing by about 1 16 The bearing E is set on an eccentric and to change position ...

Page 18: ...small abrupt curves and for fine delicate work This will save blades and will produce better work Band saw blades may be purchased weld ed set and sharpened ready for use For cutting wood and similar materials we can supply them in widt h s o f 1 8 3 16 1 4 3 8 1 2 and 3 4 inches File and set the wood cutting blades whenever you find it requires pressure to make them cut If a blade is broken it ca...

Page 19: ... t i s u s u ally rougher than where a medium amount of set is used In withdrawing the piece being cut in order to change the cut or for any other reason the operator must be careful that he does not accidentally draw the blade off t h e wheels In most cass it is easier and safer to turn the stock and saw out through the waste material rather than try to withdraw the stock from the blade Fig 49 Fi...

Page 20: ...s sole warranty and sets forth the customer s exclusive remedy with respect to defective products all other warranties express or implied whether of merchanta b i l i t y fitness for purpose or otherwise are expressly disclaimed by Delta Delta Building Trades and Home Shop Machinery Two Year Limited Warranty Printed in U S A PARTS SERVICE O R W ARRANTY ASSISTANCE A l l D e l ta Machines and access...