Jet JBG-6W Operating Instructions And Parts Manual Download

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Operating Instructions and Parts Manual

JBG-W Series Grinder with Wire Wheel

Models JBG-6W, JBG-8W

JET

427 New Sanford Road
LaVergne, Tennessee 37086

Part No. M-577126

Ph.: 800-274-6848

Edition 3 11/2018

www.jettools.com

Summary of Contents for JBG-6W

Page 1: ...uctions and Parts Manual JBG W Series Grinder with Wire Wheel Models JBG 6W JBG 8W JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 577126 Ph 800 274 6848 Edition 3 11 2018 www jettools com Copyright 2018 JET ...

Page 2: ...he OFF position before connecting the machine to the power supply 12 Make certain the machine is properly grounded 13 Make all machine adjustments or maintenance with the machine unplugged from the power source 14 Remove adjusting keys and wrenches Form a habit of checking to see that keys and adjusting wrenches are removed from the machine before turning it on 15 Keep safety guards in place at al...

Page 3: ...l RPM before starting the grinding operation 41 Do not crowd the work so that the wheel slows 42 Tool rest should be adjusted to approximately 1 16 from wheel surface 43 Do not grind on the side of a wheel do all work on the grinding face or edge near the tool rest 44 Do not grind aluminum or magnesium on the grinding wheel as these may pose a fire safety hazard 45 Use only the flanges that are fu...

Page 4: ...0 6 1 GROUNDING INSTRUCTIONS 10 6 2 Extension cords 10 7 0 Operation 11 7 1 On Off Switch 11 7 2 Precautions 11 8 0 Adjustments 11 8 1 Eye Shield Tilt Adjustment 11 8 2 Spark Guard 11 8 3 Tool Rest 12 9 0 User maintenance 12 9 1 Ring Test 12 9 2 Care of Grinding Wheels 12 9 3 Changing Wheels 12 9 4 Wheel balancing 13 9 5 Dressing the wheels 13 9 6 Cleaning 14 9 7 Lubrication 14 9 8 Additional serv...

Page 5: ...ier 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 Register your product using the mail in card provided or register online http www jettoo...

Page 6: ...1 2 in 5 8 in Wire wheel size O D x width x bore 6 x 1 2 x 1 2 in 8 x 1 2 x 5 8 in Wire wheel material Steel wire with plated copper Wheel flange diameter 2 in 50 8 mm 2 3 4 in 70 mm Wheel speed 3 450 RPM Arbor nut maximum tightening torque 20 lbf ft 270kgf cm Tool rest distance to wheel adjustable Main materials Arbor steel Base cast iron Motor housing cast iron Inner wheel guard cast iron Outer ...

Page 7: ...ons 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 O D outside diameter CFM cubic feet per minute The specifications in this manual were current at time of publication but because of our policy of continuous improvement JET reserves the right to change specifications at any time and without prior noti...

Page 8: ...N 1 Tool rest left O 1 Tool rest right P 2 Eye shields R 1 Operating Instructions and Parts Manual 1 Product registration card 5 3 Tools required for assembly 10mm and 12mm or adjustable wrench 1 or 2 cross point Phillips screwdriver The JBG W series Grinder requires only assembly of eye shields and tool rests Additional tools may be needed for fastening the grinder to a workbench or stand For you...

Page 9: ...eft spark guard and mounting bracket assembly to left wheel housing with two 1 4 x 3 8 hex cap screws L and two 1 4 flat washers M 2 The spark guard A1 should be adjusted to within 1 16 of the grinding wheel surface or other accessory being used As the wheel wears down the spark guard must be re adjusted to maintain this 1 16 distance 3 Install right spark guard and mounting bracket in similar man...

Page 10: ... or service personnel if the grounding instructions are not completely understood or if in doubt as to whether the tool is properly grounded Failure to comply may cause serious or fatal injury Use only 3 wire extension cords that have 3 prong grounding plugs and 3 pole receptacles that accept the tool s plug Repair or replace damaged or worn cord immediately 2 Grounded cord connected tools intende...

Page 11: ... should not touch the wheel 2 Keep tool rest and spark guard to within 1 16 of grinding wheel 3 Turn on grinder and allow it to reach full running speed before starting to grind 4 Adjust the eye shields as needed 5 Keep a steady moderate pressure on the workpiece and keep it moving at an even pace for smooth grinding Pressing too hard overheats the motor and prematurely wears the grinding wheel No...

Page 12: ...o make them round See sect 9 5 9 3 Changing Wheels The JET bench grinder comes equipped with a general purpose grinding wheel Wheels vary according to types of abrasive hardness grit size and structure Contact your local distributor for the proper grinding wheel or wire wheel for your application If you replace a wheel obtain one with a safe rated speed at least as high as the NO LOAD RPM marked o...

Page 13: ... making wobble unlikely if a good quality grinding wheel is used Should a wheel exhibit need for adjustment 1 Loosen nut and rotate outer flange a small amount Snug the nut and spin the wheel by hand to check 2 If wobble still exists continue repeating step 1 rotating outer flange incrementally in the same direction See Figure 9 2 Make sure to keep the wheel in same position each time 3 If complet...

Page 14: ...on tetrachloride chlorinated solvents ammonia and household detergents containing ammonia Brush all shavings from motor housing tool rest and wheel guard Check grinding wheel for cracks and chips Replace if damaged 9 7 Lubrication All motor bearings are permanently lubricated and sealed at the factory and require no additional lubrication 9 8 Additional servicing Any other servicing should be perf...

Page 15: ...ensure free movement Clear any obstructions and restart Undersized extension cord Use correct size extension cord Short circuit in line cord or plug Inspect cord or plug for damaged insulation and shorted wires Short circuit in motor or loose connections Inspect all connections on motor for loose or shorted terminals or worn insulation Motor fails to develop full power Low line voltage Check power...

Page 16: ...er machines and try again Use dedicated circuit if needed Incorrect fuse or circuit breaker Have electrician upgrade service to outlet Excessive vibration Wheel s out of balance wobbling or not rotating concentric to arbor Dress wheel or replace it Adjust wheel imbalance according to instructions in this manual Improper mounting Secure grinder firmly to bench or stand WARNING Some corrections may ...

Page 17: ...r 3 in to 2 in 414812 0 6M Hose Heat Resistant ø2 x 24 4 in 12 0 Replacement Parts Replacement parts are listed on the following pages To order parts for the main grinder unit or reach the JET service department call 1 800 274 6848 Monday through Friday 8 00 a m to 5 00 p m CST Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and ...

Page 18: ...18 12 1 1 JBG W series Grinder with Wire Wheel Exploded View ...

Page 19: ... 1 576223 Grinding Wheel 8 x 1 36 grit 1 21A JBG6W 21A Wire Wheel 6 x 1 2 1 JBG8W 21A Wire Wheel 8 x 1 2 1 22 JBG6A 22 Nut left hand thread 1 2 1 JBG8A 22 Nut left hand thread 5 8 1 23 JBG6A 23 Nut right hand thread 1 2 1 JBG8A 23 Nut right hand thread 5 8 1 24 JBG6A 24B Outer Wheel Guard left 1 JBG8A 24P Outer Wheel Guard left 1 25 JBG6A 25B Outer Wheel Guard right 1 JBG8A 25P Outer Wheel Guard r...

Page 20: ... 54 Cross Screw 1 4 x 1 2 2 54A JBG6A 54 Cross Screw 1 4 x 3 8 4 55 JBG8A 55 Eye Shield Bracket left 1 56 JBG8A 56 Eye Shield Bracket right 1 57 JBG6A 57 Lock Knob 1 4 2 58 JBG6A 58 Cross Screw 3 16 x 3 8 4 59 JBG8A 59 Eye Shield 2 JBG8A 59A Eye Shield Assembly includes 50 thru 60 LH and RH sets 1 60 JBG8A 60 Eye Shield Plate 2 61 LM000335 Identification Label JBG 6W 1 LM000336 Identification Labe...

Page 21: ...21 13 0 Wiring Diagram for JBG 6W JBG 8W Grinders ...

Page 22: ...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 23: ...23 ...

Page 24: ...24 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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