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Jet 726101, Operating Instructions And Parts Manual

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Jet 726101 Operating Instructions And Parts Manual Download Page 1

 

 

Operating Instructions and Parts Manual 

8-inch Bench Grinder 

Model JWBG-8 

 

 

 

(shown with optional grinding wheels – not provided) 

 

 

 

 

 

 

 
JET 

427 New Sanford Road

  

Part No. M-726100

 

LaVergne, Tennessee 37086 

Revision D  03/2019 

Ph.: 800-274-6848 

ECR 190221081618 

www.jettools.com 

Copyright © 2015 JET 

This .pdf document is bookmarked

Summary of Contents for 726101

Page 1: ...rinder Model JWBG 8 shown with optional grinding wheels not provided JET 427 New Sanford Road Part No M 726100 LaVergne Tennessee 37086 Revision D 03 2019 Ph 800 274 6848 ECR 190221081618 www jettools com Copyright 2015 JET This pdf document is bookmarked ...

Page 2: ...eeded 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 Applies This warran...

Page 3: ...0 Grinding wheel selection 9 6 11 Ring test 9 6 12 Grinding wheel installation 9 6 13 Wheel balancing 10 7 0 Electrical connections 10 7 1 Grounding instructions 11 7 2 Extension cords 11 8 0 Adjustments 11 8 1 Eye shield tilt adjustment 11 8 2 Spark guards 11 8 3 Tool rest adjustment 12 9 0 Operation 12 9 1 Switch 12 9 2 Precautions 12 10 0 Maintenance 12 10 1 Care of grinding wheels 12 10 2 Chan...

Page 4: ...r part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment of moving parts binding of moving parts breakage of parts mounting and any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced 16 Provide for adequate space surrounding work area ...

Page 5: ...s instructions on assembly safety precautions general operating procedures maintenance instructions and parts breakdown Your bench grinder has been designed and constructed to provide consistent long term operation if used in accordance with the instructions set forth in this document The operator is encouraged to familiarize him herself with ANSI B7 1 Safety Requirements for Use Care and Protecti...

Page 6: ...rests Tilt angle 45 forward Distance to wheel adjustable Materials Arbor steel Base cast iron Body cast iron and aluminum Wheel guards cast iron and aluminum Wheel flanges steel Tool rests cast iron with milled surface Eye shields clear acrylic Spark guards steel Knobs polymide Dimensions Mounting hole centers 7 244 184mm Mounting hole diameters 3 8 9 5mm Footprint width x depth 8 1 4 x 6 1 4 210 ...

Page 7: ...anup Remove all contents from shipping carton Check for shipping damage if any is found report it to your distributor Do not discard carton or packing material until grinder is assembled and running satisfactorily Compare contents of shipping carton with the contents list above Report any shortages to your distributor Check grinder first to verify if any parts have been pre assembled 6 3 Tools req...

Page 8: ...the same manner Figure 3 brackets to spark guards 6 7 Installing spark guards brackets Refer to Figure 4 1 Install the left spark guard and bracket to the 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 should be adjusted to within 1 16 of the grinding wheel surface or other accessory being used 3 Install the right spark guard and bracket in the ...

Page 9: ... Suspend wheel from the hole by a small pin or finger 2 Gently tap the flat side of the wheel with a non metallic object such as a wood dowel or the handle of a screwdriver Tap about 45 to each side of vertical center line and about 1 to 2 from the periphery Then rotate wheel 45 and repeat 3 A good wheel will ring a defective wheel will thud indicating cracks or other internal compromise Discard a...

Page 10: ...heck 2 If wobble still exists continue repeating step 1 rotating outer flange incrementally in the same direction See B Figure 6 Make sure to keep the wheel in the same position each time 3 If complete rotation of outer flange has proved ineffective remove nut outer flange and wheel keep wheel in same orientation by placing a pencil mark on it somewhere for reference Then rotate inner flange about...

Page 11: ...pter shown in B Figure 7 may be used to connect this plug to a 2 pole receptacle if a properly grounded outlet is not available The temporary adapter should be used only until a properly grounded outlet can be installed by a qualified electrician This adapter is not permitted in Canada The green colored rigid ear lug and the like extending from the adapter must be connected to a permanent ground s...

Page 12: ... running speed before beginning operation 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 down the grinding wheels Note the original bevel angle on the item to be sharpened and try to maintain the same shape The tilt scale on the tool rest will aid in establishing this angle The grin...

Page 13: ... Do not over tighten this may cause the wheel to crack or the flanges to bend 9 Replace the guard cover Adjust spark guards and tool rests to 1 16 clearance from wheel 10 3 Cleaning Metal shavings may still be hot from recent grinding operations Make sure shavings and debris are cold before cleaning the grinder Brush all shavings from the motor housing tool rests and wheel guards Check grinding wh...

Page 14: ...or overheats Overload on motor Reduce load on motor do not press so hard Capacitor failure Call JET Customer Service Motor stalls or slows Motor overload Reduce load on motor do not press so hard Low line voltage Check power line for proper voltage Loose wire connections Contact JET Customer Service Faulty motor Contact JET Customer Service Frequent fuse or circuit breaker failure Motor overload R...

Page 15: ...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 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 ...

Page 16: ...16 13 1 1 JWBG 8 Bench Grinder Exploded View ...

Page 17: ...r Guide 1 25 JBG8A 32 Cord Plate 1 26 JWBG8 26 Centrifugal Start Switch 1 27 JWBG8 27 Cross Head Screw 3 16 x 3 8 2 28 JWBG8 28 Switch Seat 1 29 JBG6A 34 Cross Screw 3 16 x 1 4 2 30 JBG8A 35 Capacitor 125 VAC 200MFD 1 31 JWBG8 31 Capacitor Cover 1 32 JBG8A 36 Bracket 1 33 JBG6A 34 Screw 3 16 x 1 4 1 34 JBG8A 39 Power Cord 1 35 JBG6A 34 Cross Head Screw 3 16 x 1 4 1 36 JWBG8 36 Copper Washer M5 1 3...

Page 18: ... 57 JBG8A 55 Eye Shield Bracket left 1 58 JBG8A 56 Eye Shield Bracket right 1 59 JBG6A 57 Lock Knob 1 4 2 60 JBG6A 58 Cross Head Screw 3 16 x 3 8 4 61 JBG8A 59 Eye Shield 2 62 JBG6A 60 Eye Shield Fixed Plate 2 66 JWBG8 66 I D Label 1 67 JBG6A 63 Direction Label 1 68 Serial Number Label 1 Grinding Wheels local purchase 2 ...

Page 19: ...19 14 0 Electrical Connections ...

Page 20: ...20 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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