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Operating Instructions and Parts Manual 

12

x20

 Dual Column Band Saw 

Model HBS-1220DC 

 

 

 
 
 
 
 
JET 

427 New Sanford Road 
LaVergne, Tennessee 37086 

Part No. M-413400

 

Ph.: 800-274-6848 

Edition 2  10/2020 

www.jettools.com 

 

            

 

   Copyright © 2020 JET

This .pdf document is bookmarked

Summary of Contents for HBS-1220DC

Page 1: ...d Parts Manual 12 x20 Dual Column Band Saw Model HBS 1220DC JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 413400 Ph 800 274 6848 Edition 2 10 2020 www jettools com Copyright 2020 JET This pdf document is bookmarked ...

Page 2: ...he saw to come up to full speed before bringing the saw blade into contact with the workpiece 13 Keep hands and arms away from the blade area 14 Saw must be stopped and electrical supply cut off or machine unplugged before reaching into cutting area 15 Remove any cut off piece carefully while keeping your hands free of the blade area 16 Saw must be stopped and electrical supply must be cut off bef...

Page 3: ...roper accessories may be hazardous 37 Keep saw blades sharp and clean for the best and safest performance 38 Turn off the machine before cleaning Use a brush or vacuum to remove chips or debris do not use bare hands Never brush away chips while machine is in operation 39 Do not stand on the machine Serious injury could occur if the machine tips over 40 Never leave the machine running unattended Tu...

Page 4: ...g work stop 11 7 10 Limit switch adjustment 11 8 0 Operating controls 11 9 0 Operation 12 9 1 General procedure 12 9 2 Blade selection 12 9 3 Evaluating cutting efficiency 12 10 0 User maintenance 12 10 1 Lubrication 13 10 2 Additional servicing 14 10 3 Lubrication recommended schedule 14 11 0 Blade speed recommendations 15 12 0 Troubleshooting HBS 1220DC 15 13 0 Replacement Parts 16 13 1 1 HBS 12...

Page 5: ...tact your local supplier or JET JET can also be reached at our web site www jettools com Retain this manual for future reference If the machine transfers ownership the manual should accompany it Read and understand the entire contents of this manual before attempting assembly or operation Failure to comply may cause serious injury The specifications in this manual were current at time of publicati...

Page 6: ... 4T 1 5 16 x 0 043 x 155 1 2 in 34 x 1 1 x 3 950 mm Blade wheel diameter 16 in 406 mm Blade speed variable within 95 295 FPM Gearbox 2 L 1 2 gal Hydraulic tank 15 L 4 gal Coolant tank 30 L 7 9 gal Main materials Stand Steel Bow Cast iron Blade wheels Cast iron Bed Cast iron Vise jaws Cast iron General dimensions Height of bed from floor 27 in 685 8 mm Overall dimensions assembled LxWxH 81 x 42 1 2...

Page 7: ...ght coat of oil to exposed metal surfaces 5 3 Lubrication The band saw is shipped with appropriate levels of gear and hydraulic oil The user should verify these by checking sight glass levels before operating Work coolant must be supplied by the operator See sect 10 1 3 for information 6 0 Electrical connections Electrical connections must be made by a qualified electrician in compliance with all ...

Page 8: ...urce 3 Remove knobs and open blade wheel covers 4 Remove red blade guards 5 Release blade tension by turning tension handle Figure 7 1 counterclockwise 6 Remove blade from both wheels and out of each blade guide assembly CAUTION Even dull blades are sharp to the skin Wear leather work gloves when handling blades 7 Clean the swarf out of the blade wheel area 8 Make sure teeth of new blade are point...

Page 9: ...uld be broken in before normal extended use Failure to break in a new blade will shorten the service life of the blade and result in inefficient cutting performance 1 Reduce blade speed to 1 2 of normal setting 2 Set feed rate at 2 to 3 times longer than normal 3 Make 5 complete cuts at the above settings through a cylindrical workpiece of about 8 inch diameter Listen for unusual noises or metalli...

Page 10: ...ed adjustment 1 Raise blade approximately six inches above workpiece and turn feed rate knob to zero 2 Turn power on and turn speed adjuster knob Figure 8 6 to match appropriate material Turn counterclockwise to increase speed clockwise to decrease 3 The indicator on the mechanism shows speeds in graduations of 93 115 165 200 260 295 FPM The graduations may not match the recommended feed rate an a...

Page 11: ...been properly set by the manufacturer If adjustment is needed loosen jam nut and turn stop screw B Figure 7 9 as required Retighten jam nut Figure 7 9 lower limit switch 8 0 Operating controls Refer to Figure 8 1 Power Indicator Light A Illuminates whenever machine is receiving electrical power Hydraulic motor B Press to start hydraulic flow Bow Up C1 Press to raise bow Bow will rise until limit s...

Page 12: ...appropriate for many shop cutting needs do not encompass the wide variety of blades of special configuration tooth pitch and set and special alloys for cutting unusual or exotic materials A coarse blade could be used for a solid steel bar but a finer tooth blade would be used on a thin wall tube In general the blade choice is determined by the thickness of the material the thinner the material the...

Page 13: ... check for oil leaks in pump components lines and hydraulic cylinder Correct source of leakage before operating saw 9 Connect electrical power Raise and lower bow to confirm that saw is operating correctly Figure 11 3 hydraulic oil servicing 10 1 3 Coolant JET offers a bio degradable concentrated flood coolant not provided formulated for band saws lathes and milling machines with a 20 1 water cool...

Page 14: ...p off as needed Change after first 50 hours of operation then at least once a year more frequently if heavily used Cutting fluid coolant May vary based upon operating needs Check level and fluid quality periodically For flush and refill schedule refer to cutting fluid coolant supplier s instructions Hydraulic oil Mobil DTE Excel Series 32 or equivalent ISO 32 Check periodically top off as needed C...

Page 15: ...h pitch Blade too fine for material especially with heavier soft material Use blade with coarser tooth pitch Insufficient gear lubrication Make sure gearbox is filled to sight glass Band Saw vibrates excessively Base on uneven surface Adjust base for even support Saw blade has cracks Replace blade immediately Too heavy a cut Reduce feed rate and blade speed Cuts not square Feed rate too fast Decre...

Page 16: ...de bearings not adjusted Adjust blade guide bearings Blade guide bearing bracket is loose Tighten blade guide bearing bracket Premature blade dulling Teeth too coarse Use finer tooth blade Blade speed too fast Reduce speed Inadequate feed rate Adjust cylinder dial setting as needed Hard spots or scale on material Hard Spots Increase feed rate Scale Reduce speed and increase feed rate Work hardenin...

Page 17: ...17 13 1 1 HBS 1220DC Base Assembly Exploded View ...

Page 18: ...18 13 1 2 HBS 1220DC Bow Assembly Exploded View ...

Page 19: ... Grease Fitting PT1 8 1 14 TS 2361121 Lock Washer M12 6 15 TS 1506041 Socket Head Cap Screw M12X35L 6 16 1 HBS1220DC 16 1 Upper Support Plate 1 16 2 HBS1220DC 16 2 Support Rod 1 16 3 HBS1220DC 16 3 Plum Screw M6x13L 1 16 4 TS 2361101 Lock Washer M10 1 16 5 TS 1505031 Socket Head Cap Screw M10X25L 1 17 1 HBS1220DC 17 1 Upper Stop Plate 1 17 2 TS 2361101 Lock Washer M10 1 17 3 TS 1505021 Socket Head...

Page 20: ...Tube ID1 2 x2 8tx320cm 1 88 4 HBS1220DC 88 4 Spray Nozzle 1 88 5 HBS1220DC 88 5 3 Way Connector 1 2 1 88 6 HBS1220DC 88 6 Net Tube ID1 2 x2 8tx10cm 1 90 HBS1220DC 90 Hydraulic Tank Complete Assembly 1 90 1 HBS1220DC 90 1 Hydraulic tube 1 4 X1 4HX1050L 1 90 2 HBS1220DC 90 1 Hydraulic tube 1 4 X1 4HX1050L 1 90 3 HBS1220DC 90 3 Hydraulic tube 1 4 X1 4HX1600L 1 90 4 HBS1220DC 90 4 Hydraulic tube 1 4 X...

Page 21: ...r 1 182 HBS1220DC 182 Bearing Lock Nut M65XP2 1 183 TS 1534042 Phillips Pan Hd Machine Screw M5X10L 4 184 HBS1220DC 184 Hose Clamp 1 4 4 185 HBS1220DC 185 Right Support Arm 1 186 HBS1220DC 186 Left Support Arm 1 187 HBS1220DC 187 Gib 2 188 TS 0680061 Flat Washer 1 2 X28XT3mm 2 189 TS 1506091 Socket Head Cap Screw M12X60L 1 190 HBS1220DC 190 Lock Handle M12X60L 1 191 TS 1550071 Flat Washer M10 6 19...

Page 22: ... SUS304X1 2 2 254 7 HBS1220DC 254 7 Tube 1 4 1 254 8 HBS1220DC 254 8 90 Degree Copper Fitting PT3 8 X1 2 1 255 HBS1220DC 255 Bracket 1 256 HBS1220DC 256 Sliding plate 2 257 TS 1550061 Flat Washer M8 4 258 TS 1504041 Socket Head Cap Screw M8X20L 4 259 TS 1523031 Socket Set Screw M6X10L 8 265 TS 2361121 Lock Washer M12 6 266 TS 1506041 Socket Head Cap Screw M12X35L 6 267 HBS1220DC 267 Socket Set Scr...

Page 23: ... HBS1220DC 339 O Ring G65XID65X3 1W 1 340 HBS1220DC 340 Worm cover 1 341 HBS1220DC 341 Grease Fitting PT1 8 1 342 HBS1220DC 342 Air Flow Plug Set includes 342 1 PT1 2 PT1 8 1 342 1 HBS1220DC 342 1 Breather Plug PT1 8 1 343 HBS1220DC 343 Oil Plug PT3 8 1 344 HBS1220DC 344 PU Transparent Tube D 6mm 120L 1 345 HBS1220DC 345 90 Degree Copper Fitting PT1 8 X6mm 2 352 HBS1220DC 352 Blade Tension Meter 1...

Page 24: ... M10 2 464 TS 1505021 Socket Head Cap Screw M10x20L 2 465 HBS1220DC 465 Right Fence Plate 1 466 TS 1540071 Hex Nut M10 1 5P 2 467 TS 2361101 Lock Washer M10 2 468 TS 1505021 Socket Head Cap Screw M10x20L 2 470 HBS1220DC 470 Left Bracket 1 470 1 HBS1220DC 470 1 Right Bracket 471 TS 1540071 Hex Nut M8 2 472 TS 1550061 Flat Washer M8 2 473 TS 2361081 Lock Washer M8 2 474 TS 1504061 Socket Head Cap Sc...

Page 25: ...25 13 2 1 HBS 1220DC Electrical Box Assembly Exploded View ...

Page 26: ...otor 460V RHU 1 4 1 4 2A 95 21 HBS1220DC 95 21 Overload Relay For Main Motor 230V RHU 12 5 9 12 5A 1 HBS1220DC 95 210 Overload Relay For Main Motor 460V RHU 4 5 4 5 6 3A 95 29 HBS1220DC 95 29 Terminal 4 95 50 HBS1220DC 95 50 Master Power Switch Auspicious C027l 1 95 51 HBS1220DC 95 51 Push Button Switch 4 95 52 HBS1220DC 95 52 Feed Speed Dial 1 95 53 HBS1220DC 95 53 E Stop Button 1 95 54 HBS1220DC...

Page 27: ...27 14 0 Electrical Connections for HBS 1220DC Band Saw ...

Page 28: ...n SB7 Vise Close Pushbutton SB8 Motor Off Pushbutton SB9 Pump On Off Switch Item Description SQ1 Upper Limit Switch SQ2 Lower Limit Switch FR1 Main Motor Overload FR2 Oil Motor Overload KM1 Main Motor Contactor KM2 Oil Pump Contactor KA1 Bow Up Contactor KA2 Bow Down Contactor KA3 Vise Open Contactor KA4 Pump Contactor JUMP1 Cover Limit Switch JUMP2 Tension Limit Switch JUMP3 Door Limit Switch TC1...

Page 29: ...29 15 0 Oil valve schematic ...

Page 30: ...itional action needed JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Locator on the JET website More Information JET is constantly adding new products For complete up to date product information check with your local distributor or visit the JET website How State Law App...

Page 31: ...31 ...

Page 32: ...32 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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