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Hafco EB-270DSA, Instruction Manual

The Hafco EB-270DSA is an innovative and high-performance product designed to meet your needs. Ensure seamless operation by referring to our comprehensive Instruction Manual, available for free download on our website. Maximize productivity with this user-friendly manual, exclusively at manualshive.com.

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PA R T  L I S T

 

Part 

No. 

Description Size 

No.

Q’ty

Part 

No.

Description Size 

No.

Q’ty

196 

Hex. Socket Cap Screw 

M4x35 

2 

260 

Hex. Socket Cap Screw 

M6x8 

1 

197 

Hex. Socket Cap Screw 

M10x35 

4 

261 

Blade Guard 

 

1 

197-1 

Spring Washer 

M10 

4 

262 

Set Screw 

M6x20 

2 

198 

Pipe Fitting Seat 

 

1 

263 

Nut M6 

2 

199 

Hex. Socket Cap Screw 

M5x30 

2 

264 

Centric Shaft 

 

2 

200 

Coolant Switch 

 

1 

265 

Ball Bearing 

608ZZ 

8 

201 

Hose Clamp 

13mm 

1 

265-1

Ball Bearing 

608ZZ 

2 

203 

Pipe Fitting 

1/4Px5/16 

2 

266 

E-Ring E-7 

4 

204 

Hose 5/16”x40cm

1 

267 

Blade Guide 

 

2 

205 

Hose 5/16”x90cm

1 

268 

Hex. Socket Cap Screw 

M6x25 

2 

206 

Drive Flywheel 

 

1 

269 

Eccentric Shaft 

 

2 

207 

Washer  

1 

270 

Hex. Socket Cap Screw 

M6x8 

2 

207-1 

Spring Washer 

M10 

1 

271 

Blade Guard 

 

1 

208 

Hex. Cap Bolt 

M10x25 

1 

272 

Guide Bracket 

 

1 

209A 

Idle Flywheel Shaft 

 

1 

272-1

Hex. Socket Cap Screw 

M6x8 

2 

210 

Roller Bearing 

32006 

2 

273 

Pipe Fitting 

 

1 

211 

Idle Flywheel 

 

1 

274 

Blade Guide 

 

2 

212 

Star Washer 

M30 

1 

275 

Ball Bearing Bracket 

 

1 

212-1 

Anti-dust Cover 

M30 

2 

276 

Set Screw   

M6x12 

4 

213 

Jam Nut 

M30 

1 

277 

Hex. Socket Cap Screw 

M10x20 

2 

214 

Oil Inlet 

1/16 

1 

279 

Hex. Socket Cap Screw 

M8x20 

2 

215 

Saw Blade 

 

1 

280 

Brush  

1 

216 

Blade Cover 

 

1 

281 

Brush Clamp 

 

1 

217 

Plum Screw 

M6x10 

4 

282 

Set Screw   

M5x5 

1 

219 

Round Head Screw 

M4x8 

2 

283 

Set Bushing 

 

1 

220 

Nut M4 

2 

284 

Hex. Cap Bolt 

M6x12 

2 

222 

Handle  

2 

285 

Washer M6 

2 

223 

Handle Wheel 

 

1 

326A 

Flow Control 

 

1 

223-1 

Thrust Bearing 

51103 

1 

327A 

Hose 2.5 

meters 

1 

223-2 

Blade Tension Gauge 

 

1 

328A 

Hose 2.0 

meters 

1 

223-3 

Plate  

1 

329A 

Hose 2.0 

meters 

1 

224 

Special Spring Washer 

 

10

330A 

Hose 2.0 

meters 

1 

225 

Tension Shaft 

 

1 

331A 

Hose 1.5 

meters 

1 

229 

Plate  

1 

332A 

Manifold  

1 

230 

Hex. Socket Cap Screw 

M6x12 

2 

333A 

Motor  

1 

230-1 

Washer M6 

2 

334A 

Pump  

1 

231 

Limit Switch 

 

1 

335A 

Oil Gauge 

 

1 

232 

Hex. Socket Cap Screw 

M4x25 

2 

336A 

Solenoid 2D2 

1 

239 

Nut M16 

1 

337A 

Solenoid 3C2 

1 

240A 

Slide Bracket 

 

1 

338A 

Reducing  

1 

240A-1 

Spring Washer 

M10 

3 

339A 

Oil Fill Port 

 

1 

240A-2 

Hex. Socket Cap Screw 

M10x45 

3 

340A 

Tank Cover 

 

1 

240A-3 

Set Screw 

M10x25 

1 

341A 

Tank  

1 

244 

Cover Plate 

 

1 

P01 

Control Panel 

 

1 

245 

Hex. Socket Cap Screw 

M6x8 

2 

P01-1

Main Board 

 

1 

246 

Gib  

2 

P01-2

Display Board 

 1 

247 

Spring Washer 

M8 

6 

P02 

Electrical Box Cover 

 

1 

248 

Hex. Socket Cap Screw 

M8x20 

6 

P03 

Electric Box Platform 

 

1 

249 

Blade Guide Movable Rod 

 

1 

P04 

Electric Parts Plate 

 

1 

249-1 

Hex. Socket Cap Screw 

M6x8 

1 

P04-1

Transformer  

1 

250 

Set Screw 

M6x12 

4 

P04-2

Fuse Block 

 

3 

251 

Hex. Socket Cap Screw 

M8x20 

2 

P04-3

Power in Fuse 

 

3 

252 

Setting Bracket 

 

1 

P04-4

Grounding Plate 

 

1 

253 

Hex. Socket Cap Screw 

M12x50 

1 

P04-5

Input Fuse 

 

2 

254 

Handle  

1 

P05 

Electric Parts Plate (Rear) 

 

1 

256 

Guide Bracket 

 

1 

P05-1

Dual Terminal Connector 

 

1 

257 

Nozzle  

1 

P05-2

Connector PC Board 

 

1 

259 

Bolt  

2 

 

 

 

 

1000615 

24

Instruction Manual for EB-270DSA (B066)

31/03/2016

Summary of Contents for EB-270DSA

Page 1: ...INSTRUCTION MANUAL EB 270DSA Swivel Head Metal Cutting Band Saw 415V 260 x 100mm W x H Rectangle B066 1 Instruction Manual for EB 270DSA B066 31 03 2016 ...

Page 2: ...ACHINE 5 1 Blade tension assembly 7 5 2 Adjusting the blade guide 7 5 3 Saw frame return stroke limiting device 7 5 4 Changing the blade 8 5 5 Adjusting the blade to the flywheels 8 5 6 Replacing saw frame return spring 8 Chapter 6 ROUTINE AND SPECIAL MAINTENANCE 6 1 Daily maintenance 9 6 2 Weekly maintenance 9 6 3 Monthly maintenance 9 6 4 Six monthly maintenance 9 6 5 Maintenance of other machin...

Page 3: ...rformed in a well lit area or where there is sufficient light from extra sources so as to avoid the risk of even slight accidents 1 2 The electrical equipment according to European Standard CENELEC EN 60 204 1 which assimilates with some integrating modifications the publication IEC 204 1 1992 The electrical equipment ensures protection against electric shock as a result of direct or indirect cont...

Page 4: ...oration and or obsolescence General rules If the machine is to be permanently demolished and or scrapped divide the material to be disposed of according to type and composition as follows 1 Cast iron or ferrous materials composed of metal alone are secondary raw materials so they may be taken to an iron foundry for re smelting after having removed the contents classified in point 3 2 Electrical co...

Page 5: ...light 17 Foot pad operation indicator light 3 3 Vise adjustment Clamping the Work Piece Place work piece between the jaws Use the hand wheel to close the vise jaw For multiple cuts of a same size material leave a small gap between the work piece and vise jaw Push cycle start button F The vise will automatically clamp the work piece while going through the operation cycle When the operation cycle i...

Page 6: ...er indicator light 1 is on it means the voltages are okay Select the cutting speed on switch A Note While selecting the cutting speed indicator light will blink Press hydraulic flow control start switch G Note If the hydraulic flow control fails to activate then switch C D and F cannot operate Indicator light 7 will blink if any are pressed indicating that start switch G has failed to activate Che...

Page 7: ...chine has gone out of order 1 Indicator light 14 indicates the emergency button is pressed Indicator light 16 indicates the emergency button on foot pad is pressed 2 Indicator light 13 indicates the band saw blade has broken 3 Indicator light 10 indicates the blade cover is open 4 Indicator light 12 indicates the motor has overloaded 5 Indicator light 15 indicates the hydraulic motor has overloade...

Page 8: ...e carried out as follows Note the position for pad A and bearing F are fixed and cannot be adjusted Loosen screw C nut D and setscrew D to widening the passage between the pads A and B Loosen the nut G and setscrew G and rotate the shaft screw E with a flat head screwdriver to widen the passage between the bearings E and F To mount the new blade adjust the pad B to the blade then loosen the setscr...

Page 9: ...ill ride away from the flange If the blade rides away too far then it will come off After the adjustment is finished fasten the hex nut screws in this order A B and C Checking the adjustment of the blade Use a strip of scrap paper and slide it between the blade and the flywheel while it is running if the paper is cut then the blade is riding too close to the flange Re adjust if you notice that the...

Page 10: ... 6 Oils for lubricating coolant Considering the vast range of products on the market the user can choose the one most suited to their own requirements using as reference the type SHELL LUTEM OIL ECO THE MINIMUM PERCENTAGE OF OIL DILUTED IN WATER IS 8 10 6 7 Oil disposal The disposal of these products is controlled by strict regulations Please see the Chapter on Machine dimensions Transport Install...

Page 11: ...terials The table above lists the characteristics of the materials to be cut So as to choose the right tool to use 8 2 Selecting blade First of all the pitch of the teeth must be chosen in other words the number of teeth per inch 25 4 mm suitable for the material to be cut according to these criteria Parts with a thin and or variable section such as profiles pipes and plate need close toothing so ...

Page 12: ...are classified in M2 M42 M51 and differ from each other because of their major hardness due to the increasing percentage of Cobalt Cc and molybdenum Mo contained in the metal alloy 8 7 Blade type They differ essentially in their constructive characteristics such as Shape and cutting angle of tooth Pitch Set Shape and angle of tooth REGULAR TOOTH Oº rake and constant pitch Most common form for tran...

Page 13: ...th and it is used for extremely thin materials less than 1mm ALTERNATE SET INDIVIDUAL TEETH Cutting teeth right and left This set is used for the cutting of nonferrous soft materials plastics and wood 9 NOISE TESTS The test was held under environmental noise levels of 65db Noise measurements with the machine operating unload was 71db Noise level during the cutting of mild carbon steel was 73db NOT...

Page 14: ... 13 10 WIRING DIAGRAMS 14 Instruction Manual for EB 270DSA B066 31 03 2016 ...

Page 15: ... 14 15 Instruction Manual for EB 270DSA B066 31 03 2016 ...

Page 16: ...tion points of the safety limit switches at their locations on the machine for normal condition refer to the wire diagram No WT M3 C 01 connection wire No 4 5 6 7 8 19 and 20 2 Hydraulic pump Failure a Check on hydraulic motor M1 and see if it works b Check the pump for normal condition c Check AC contactor K1 for normal condition or over load FS1 d Check the distributor board for voltage flow to ...

Page 17: ...roperly located and closed b Check the limit switches for normal condition Check the connection for wire No 61 and 68 10 Motor M1 M2 Over loaded indicator light blinking a Check the motor loading for normal condition neither over loaded or short circuited b Check the wire connections for normal condition Check the connection points for wire No 61 and 70 on FS1 No 61 69 on FS2 11 Saw bow Up Down Li...

Page 18: ...ant drain holes on the blade guide blocks and that flow is plentiful in order to facilitate the removal of chips from the blade Material surfaces can be oxidized or covered with impurities making them at the beginning of the cut harder that the blade itself or have hardened areas or inclusions inside the section due to productive agents used such as casting sand welding wastes etc Avoid cutting th...

Page 19: ... such impurities as quickly as possible Check level of liquid in the tank Increase the flow of lubricating coolant checking that the coolant nozzle and pipe are not blocked Check the emulsion percentage BLADE BREAKAGE Faulty welding of blade Too fast advance Wrong cutting speed Wrong tooth pitch Ineffective gripping of the part in the vice Blade touching material at beginning of cut Remedy The wel...

Page 20: ... Tight or slackened blade guide bearings Replace them Adjust them see Chapter Machine adjustments in Blade guide section CUTS OFF THE STRAIGHT Blade not parallel as to the counter service Blade not perpendicular due to the excessive play between the guide pads and maladjustment of the blocks Too fast advance Worn out blade Wrong tooth pitch Check fastenings of the blade guide blocks as to the coun...

Page 21: ...ade or with chipped and or broken teeth Wrong tooth pitch Blade guide block too far from material to be cut Insufficient lubricating coolant or wrong emulsion Decrease advance exerting less cutting pressure Adjust the braking device Use a superior quality blade Replace it Blade used probably has too large teeth use one with more teeth see Material classification and blade selection in the Blade Ty...

Page 22: ... 13mm 1 64 Hex Socket Cap Screw M10x35 1 23 Hose 5 16 x235cm 1 64 1 Spring Washer M10 1 23 1 Hose 1 x45cm 1 65 Shaft Nut 1 24 Coolant and Chip Tray 1 65 1 Oil Seal 1 24 1 Block Plate 1 65 3 Disk 1 25 Mounting Bracket 2 65 4 Spring Washer M8 4 26 Spring Washer M10 4 65 5 Hex Socket Cap Screw M8x30 4 27 Hex Socket Cap Screw M10x20 4 66A Shaft 1 28 Washer M10 4 68 Swivel Arm 1 29 Hex Cap Bolt M10x20 ...

Page 23: ...ydraulic Cylinder Arm 1 117 3 Bushing 1 172 Bushing 2 118 Set Screw M8x10 1 173 Hex Socket Cap Screw M12x20 2 120 Vise Seat 1 174A Limit Switch Plate 1 122 Vise Setting Plate 1 175 Spring Washer M8 4 123 Hex Socket Cap Screw M10x35 2 176 Nut M8 4 124 Washer 3 4 x37x3 1 177 Spring Washer M6 2 125 Lock Lever Device 1 178 Hex Socket Cap Screw M6x12 2 127 Handle 1 179 Limit Switch 2 128 Setting Plate ...

Page 24: ...ex Cap Bolt M6x12 2 222 Handle 2 285 Washer M6 2 223 Handle Wheel 1 326A Flow Control 1 223 1 Thrust Bearing 51103 1 327A Hose 2 5 meters 1 223 2 Blade Tension Gauge 1 328A Hose 2 0 meters 1 223 3 Plate 1 329A Hose 2 0 meters 1 224 Special Spring Washer 10 330A Hose 2 0 meters 1 225 Tension Shaft 1 331A Hose 1 5 meters 1 229 Plate 1 332A Manifold 1 230 Hex Socket Cap Screw M6x12 2 333A Motor 1 230...

Page 25: ... 24 25 Instruction Manual for EB 270DSA B066 31 03 2016 ...

Page 26: ... 25 26 Instruction Manual for EB 270DSA B066 31 03 2016 ...

Page 27: ... 26 27 Instruction Manual for EB 270DSA B066 31 03 2016 ...

Page 28: ... 27 28 Instruction Manual for EB 270DSA B066 31 03 2016 ...

Page 29: ... 28 29 Instruction Manual for EB 270DSA B066 31 03 2016 ...

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