Jet BGB-142 Operating Instructions And Parts Manual Download

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Operating Instructions and Parts Manual

3-Wheel Belt Grinder

Models BGB-142/248/260-1/260-3

JET

427 New Sanford Road
LaVergne, Tennessee 37086

Part No. M-577100

Ph.: 800-274-6848

Edition 2 12/2016

www.jettools.com

Model BGB-248 shown

Summary of Contents for BGB-142

Page 1: ... and Parts Manual 3 Wheel Belt Grinder Models BGB 142 248 260 1 260 3 JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 577100 Ph 800 274 6848 Edition 2 12 2016 www jettools com Copyright 2016 JET Model BGB 248 shown ...

Page 2: ...l times 13 Additional precautions may be necessary for grinding materials which are flammable or have other hazardous properties Always consult the manufacturer of such materials for instructions on grinding and handling 14 Make certain the switch is in the OFF position before connecting the machine to the power supply 15 Make certain the machine is properly grounded 16 Make all machine adjustment...

Page 3: ...use in dangerous environment Don t use power tools in damp or wet location or expose them to rain Keep work area well lighted 34 Use proper extension cord Make sure your extension cord is in good condition When using an extension cord be sure to use one heavy enough to carry the current your product will draw An undersized cord will cause a drop in line voltage resulting in loss of power and overh...

Page 4: ...r and Base Assembly Parts List Model BGB 142 14 12 1 3 Motor and Base Assembly Parts List Model BGB 248 15 12 1 4 Motor and Base Assembly Parts List Model BGB 260 1 16 12 2 1 Motor and Base Assembly Exploded View Model BGB 260 3 17 12 2 2 Motor and Base Assembly Parts List Model BGB 260 3 18 12 3 1 Belt and Housing Assembly Exploded View Model BGB 142 19 12 3 2 Belt and Housing Assembly Parts List...

Page 5: ...f used in accordance with the instructions as set forth in this document If there are questions or comments please contact 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 op...

Page 6: ...nsfer Poly V belt Recommended circuit size 2 20 Amp Sound emission without load 3 74 dB at 100cm 77 dB at 50cm 80 dB at 100cm 84 dB at 50cm 78 dB at 100cm 82 dB at 50cm Abrasive and wheels Abrasive provided Aluminum oxide 120 grit Abrasive size 1 x 42 in 25 x 1067mm 2 x 48 in 50 x 1219 mm 2 x 60 in 50 x 1524 mm Abrasive speed 5500 FPM 1676 MPM 6000 FPM 1829 MPM 8000 FPM 2438 MPM Number of wheels 3...

Page 7: ...national electrical codes 3 The specified values are emission levels and are not necessarily to be seen as safe operating levels As workplace conditions vary this information is intended to allow the user to make a better estimation of the hazards and risks involved only L length W width H height D depth n a not applicable The specifications in this manual were current at time of publication but b...

Page 8: ...n equipment grounding conductor and a grounding plug The plug must be plugged into a matching outlet that is properly installed and grounded in accordance with all local codes and ordinances Do not modify the plug provided if it will not fit the outlet have the proper outlet installed by a qualified electrician Improper connection of the equipment grounding conductor can result in a risk of electr...

Page 9: ...nside cover of junction box Diagrams are also placed at back of this manual In case of discrepancy diagrams on machine take precedence 3 Replace magnetic starter with 460V starter see parts list to order 4 Re install junction box cover and motor shroud 5 Test run the grinder If abrasive belt moves upward instead of downward disconnect machine from power and switch any two of the three power leads ...

Page 10: ...of abrasive belt and almost touching 7 3 Abrasive belt tension To de tension abrasive belt turn tension knob counterclockwise and pull knob to the right To tension push knob to the left The pawl will click as it engages each ratchet tooth Do not overtension tighten belt until it is just taut A moderate tension will provide faster cutting and longer belt life as well as better tracking NOTE When be...

Page 11: ...verload relay will automatically reset 8 2 General operating tips 1 Always use platen when grinding workpiece 2 Adjust gap between work rest and belt to 1 16 inch or less 3 Handles must be tight and covers closed before operating 4 Some metals may create a fire hazard during grinding consult workpiece supplier for instructions on proper use and cautions 5 Allow machine to come up to speed before a...

Page 12: ...e slows when operating Applying excessive pressure of workpiece against platen Reduce pressure against abrasive platen V belt loose Tighten V belt Loud repetitive noise coming from machine Pulley setscrews or keys are missing or loose Inspect keys and setscrews Replace or tighten if necessary Motor fan is hitting the fan cover Tighten fan or shim cover V belt is defective Replace V belt Poor track...

Page 13: ... CST Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately Non proprietary parts such as fasteners can be found at local hardware stores or may be ordered from JET Some parts are shown for reference only and may not be available individually 12 1 1 Motor and Base Assembly Exploded View Models BGB 142 248 260 1 ...

Page 14: ...TS 1550061 Flat Washer 8 5 x 20 x 1 5T 8 19 JET 138 JET Logo 138 x 57mm 1 20 BGB142 120 Motor 3 4HP 115 230V 1PH 1 BGB248 120SC Starting Capacitor not shown 200MFD 125VAC 1 BGB248 120SCC Starting Capacitor Cover not shown 1 BGB248 120CF Cooling Fan not shown 1 BGB248 120FC Fan Cover not shown 1 21 TS 2228161 Hex Cap Screw M8 x 1 25P x 16L 4 22 TS 2361081 Lock Washer M8 4 23 BGB142 123 Base 1 24 62...

Page 15: ...ET Logo 138 x 57mm 1 20 BGB248 120 Motor 1HP 115 230V 1Ph 1 BGB248 120SC Starting Capacitor not shown 200MFD 125VAC 1 BGB248 120SCC Starting Capacitor Cover not shown 1 BGB248 120RC Running Capacitor not shown 45μF 250VAC 1 BGB248 120RCC Running Capacitor Cover not shown 1 BGB248 120CF Cooling Fan not shown 1 BGB248 120FC Fan Cover not shown 1 21 TS 2228161 Hex Cap Screw M8 x 1 25P x 16L 4 22 TS 2...

Page 16: ...ogo 138 x 57mm 1 20 BGB260 1 120 Motor 1 1 2HP 115 230V 1Ph 1 BGB260 1 120SC Starting Capacitor not shown 450MFD 125VAC 1 BGB260 1 120SCC Starting Capacitor Cover not shown 1 BGB248 120RC Running Capacitor not shown 70μF 250VAC 1 BGB248 120RCC Running Capacitor Cover not shown 1 BGB248 120CF Cooling Fan not shown 1 BGB248 120FC Fan Cover not shown 1 21 TS 2228161 Hex Cap Screw M8 x 1 25P x 16L 4 2...

Page 17: ...17 12 2 1 Motor and Base Assembly Exploded View Model BGB 260 3 ...

Page 18: ... 2331041 Cap Nut M4 x 0 7P 3 16 BGB260 3 116 Motor Shroud 1 17 TS 1550031 Flat Washer 5 1 x 12 x 1T 4 18 TS 1533032 Phillips Pan Hd Machine Screw M5 x 0 8P x 10L 7 19 BGB260 3 119 Strain Relief 1 20 BGB260 3 120 Terminal Box 1 21 F002097 Lock Washer Ext Tooth M5 4 22 TS 2248122 Socket Head Button Screw M8 x 1 25 x 12L 5 23 TS 1550061 Flat Washer 8 5 x 20 x 1 5T 10 24 JET 138 JET Logo 138 x 57mm 1 ...

Page 19: ... 17 18 20 19 21 22 23 24 16 26 28 27 32 33 34 31 38 35 36 37 11 39 43 45 40 5 42 44 40 41 8 50 36 46 47 48 54 31 55 30 30 56 57 58 57 58 63 7 33 11 83 83 11 14 49 12 8 7 12 E 7 B E 29 30 31 8 36 65 66 62 61 67 68 69 64 16 25 60 70 70 59 31 30 19 7 69 69 71 72 73 74 75 76 1 2 3 4 5 6 7 8 9 77 78 79 80 81 82 13 ...

Page 20: ...BGB142 226 Spindle Pulley 1 27 BGB248 227 Knob Screw 1 28 BGB142 228 Dust Cover 1 29 BGB248 229 Hinge 1 30 TS 2361051 Lock Washer M5 12 31 TS 2245102 Socket Head Button Screw M5 0 8P x 10L 9 32 BGB248 232 Ratchet 1 33 TS 1503041 Socket Head Cap Screw M6 1 0P x 16L 5 34 BGB248 234 Clip 2 35 BGB142 235 Spine Central Guard 1 36 TS 1550041 Flat Washer 6 x 12 x 1T mm 5 37 TS 1503021 Socket Head Cap Scr...

Page 21: ...Phillips Flat Hd Machine Screw 1 4 20UNC x 1 1 4 L 1 73 F012091 Roll Pin 3 x 10L mm 1 74 BGB248 274 Rivet 1 75 BGB248 275 Pawl 1 76 F012092 Roll Pin 3 x 18L mm 1 77 TS 0570011 Hex Nut 1 4 20UNC 1 78 BGB248 278 Oilite Washer 1 79 BGB248 279 Compression Spring 1 80 BGB248 280 Tension Wheel Hub 1 81 TS 1550071 Flat Washer 10 2 x 30 x 3T mm 1 82 TS 0640091 Hex Nut Nylon Lock 3 8 16UNC 1 83 BB 6002ZZ B...

Page 22: ... 14 16 17 18 20 19 21 22 23 24 16 26 28 27 32 33 34 31 38 35 36 37 11 39 43 45 40 5 42 44 40 41 8 50 36 46 47 48 54 31 55 30 30 56 57 58 57 58 63 7 33 11 12 12 11 14 49 12 8 7 12 E 7 B E 29 30 31 8 36 65 66 62 61 67 68 69 64 16 25 60 70 70 59 31 30 19 7 69 69 71 72 73 74 75 76 1 2 3 4 5 6 7 8 9 77 78 79 80 81 82 83 ...

Page 23: ... BGB248 226 Spindle Pulley 1 27 BGB248 227 Knob Screw 1 28 BGB248 228 Dust Cover 1 29 BGB248 229 Hinge 1 30 TS 2361051 Lock Washer M5 12 31 TS 2245102 Socket Head Button Screw M5 x 0 8P x 10L 9 32 BGB248 232 Ratchet 1 33 TS 1503041 Socket Head Cap Screw M6 x 1 0P x 16L 5 34 BGB248 234 Clip 2 35 BGB248 235 Spine Central Guard 1 36 TS 1550041 Flat Washer 6 x 12 x 1T mm 5 37 TS 1503021 Socket Head Ca...

Page 24: ...608 Phillips Flat Hd Machine Screw 1 4 20UNC x 1 1 4 L 1 73 F012091 Roll Pin 3 x 10L mm 1 74 BGB248 274 Rivet 1 75 BGB248 275 Pawl 1 76 F012092 Roll Pin 3 x 18L mm 1 77 TS 0570011 Hex Nut 1 4 20UNC 1 78 BGB248 278 Oilite Washer 1 79 BGB248 279 Compression Spring 1 80 BGB248 280 Tension Wheel Hub 1 81 TS 1550071 Flat Washer 10 2 x 30 x 3T 1 82 TS 0640091 Hex Nut Nylon Lock 3 8 16UNC 1 83 BGB248 283...

Page 25: ...BGB260 1 226 Spindle Pulley 1 27 BGB248 227 Knob Screw 1 28 BGB260 1 228 Dust Cover 1 29 BGB248 229 Hinge 1 30 TS 2361051 Lock Washer M5 12 31 TS 2245102 Socket Head Button Screw M5 x 0 8P x 10L 9 32 BGB248 232 Ratchet 1 33 TS 1503041 Socket Head Cap Screw M6 x 1 0P x 16L 5 34 BGB248 234 Clip 2 35 BGB260 1 235 Spine Central Guard 1 36 TS 1550041 Flat Washer 6 x 12 x 1T mm 5 37 TS 1503021 Socket He...

Page 26: ... Phillips Flat Hd Machine Screw 1 4 20UNC x 1 1 4 L 1 73 F012091 Roll Pin 3 x 10L mm 1 74 BGB248 274 Rivet 1 75 BGB248 275 Pawl 1 76 F012092 Roll Pin 3 x 18L mm 1 77 TS 0570011 Hex Nut 1 4 20UNC 1 78 BGB248 278 Oilite Washer 1 79 BGB248 279 Compression Spring 1 80 BGB248 280 Tension Wheel Hub 1 81 TS 1550071 Flat Washer 10 2 x 30 x 3T mm 1 82 TS 0640091 Hex Nut Nylon Lock 3 8 16UNC 1 83 BGB248 283...

Page 27: ...BGB260 1 226 Spindle Pulley 1 27 BGB248 227 Knob Screw 1 28 BGB260 1 228 Dust Cover 1 29 BGB248 229 Hinge 1 30 TS 2361051 Lock Washer M5 12 31 TS 2245102 Socket Head Button Screw M5 x 0 8P x 10L 9 32 BGB248 232 Ratchet 1 33 TS 1503041 Socket Head Cap Screw M6 x 1 0P x 16L 5 34 BGB248 234 Clip 2 35 BGB260 1 235 Spine Central Guard 1 36 TS 1550041 Flat Washer 6 x 12 x 1T mm 5 37 TS 1503021 Socket He...

Page 28: ... Phillips Flat Hd Machine Screw 1 4 20UNC x 1 1 4 L 1 73 F012091 Roll Pin 3 x 10L mm 1 74 BGB248 274 Rivet 1 75 BGB248 275 Paw 1 76 F012092 Roll Pin 3 x 18L mm 1 77 TS 0570011 Hex Nut 1 4 20UNC 1 78 BGB248 278 Oilite Washer 1 79 BGB248 279 Compression Spring 1 80 BGB248 280 Tension Wheel Hub 1 81 TS 1550071 Flat Washer 10 2 x 30 x 3T mm 1 82 TS 0640091 Hex Nut Nylon Lock 3 8 16UNC 1 83 BGB248 283 ...

Page 29: ...s List Model BGB 142 248 Index No Part No Description Size Qty 414832 Adaptor Plate Kit BGB 142 248 1 thru 5 1 TS 149105 Hex Cap Screw M10 x 1 5P x 35L 4 2 TS 2361101 Lock Washer M10 8 3 TS 1550071 Flat Washer 10 x 20 x 1 5T 8 4 BGB248 304 Adaptor Plate 1 5 TS 1491021 Hex Cap Screw M10 x 1 5P x 20L 4 ...

Page 30: ...ist Model BGB 260 1 260 3 Index No Part No Description Size Qty 414833 Adaptor Plate Kit BGB 260 1 260 3 1 thru 5 1 TS 149105 Hex Cap Screw M10 x 1 5P x 35L 4 2 TS 2361101 Lock Washer M10 8 3 TS 1550071 Flat Washer 10 x 20 x 1 5T 8 4 BGB260 1 304 Adaptor Plate 1 5 TS 1491021 Hex Cap Screw M10 x 1 5P x 20L 4 ...

Page 31: ...31 13 0 Electrical Connections 13 1 Wiring diagram 115V Models BGB 141 248 260 1 ...

Page 32: ...32 13 2 Wiring diagram 1PH 230V Models BGB 141 248 260 1 ...

Page 33: ... WH RD RD RD WH 1 WH RD BK WH RD GN BK 1 ON Switch E Stop 1 2 3 7 8 9 4 5 6 Power Light Running Light Control Panel BK BK BK 1 RD Terminal Box Motor 3Ph 230V GN Magnetic Switch 3Ph 230V Color Symbol GN Green BK Black RD Red GY Grey YE Yellow A 2 2 T T 4 6 T 1 2 3 2 T T 4 6 T 1 2 3 2 T T 4 6 T 1 2 3 2 T T 4 6 T 1 2 3 ...

Page 34: ... WH RD RD RD WH 1 WH RD BK WH RD GN BK 1 ON Switch E Stop 1 2 3 7 8 9 4 5 6 Power Light Running Light Control Panel BK BK BK 1 RD Terminal Box Motor 3Ph 460V GN Magnetic Switch 3Ph 460V Color Symbol GN Green BK Black RD Red GY Grey YE Yellow A 2 2 T T 4 6 T 1 2 3 2 T T 4 6 T 1 2 3 2 T T 4 6 T 1 2 3 2 T T 4 6 T 1 2 3 ...

Page 35: ...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 36: ...36 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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