Jet JWBG-8, Operating Instructions And Parts Manual

Page 1: ...nch Bench Grinder Model JWBG 8 Model 726100 shown WALTER MEIER Manufacturing Inc 427 New Sanford Road LaVergne Tennessee 37086 Part No M 726100 Ph 800 274 6848 Revision A 07 2013 www waltermeier com Copyright 2013 Walter Meier Manufacturing Inc ...

Page 2: ...age prepaid to a location designated by us For the name of the location nearest you please call 1 800 274 6848 You must provide proof of initial purchase date and an explanation of the complaint must accompany the merchandise If our inspection discloses a defect we will repair or replace the product or refund the purchase price at our option We will return the repaired product or replacement at ou...

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: ...is in the 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 grinder before turning it on 15 Keep safety guards in plac...

Page 5: ...the turning chisels gouges knives plane irons carving tools and more Abrasive wheels are protected by cast iron guards The tool rests are adjustable with a tilt angle scale and incised lines to help align tools square to the wheel A steel spark guard and plexiglass eye shield provide safety personal eye protection still required Rubber foot pads prevent sliding Alternatively mounting holes are pro...

Page 6: ...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 178mm Mounting hole diameters 3 8 9 5mm Footprint width x depth 8 1 4 x 6 1 4 210 x 158mm Ov...

Page 7: ...and cleanup 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 To...

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 2 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: ...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 wheels...

Page 14: ...ats Overload on motor Reduce load on motor do not press so hard Capacitor failure Call Walter Meier 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 Walter Meier Customer Service Faulty motor Contact Walter Meier Customer Service Frequent fuse or circuit breaker failur...

Page 15: ...s To order parts or reach our service department call 1 800 274 6848 Monday through Friday see our website for business hours www waltermeier com Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately ...

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

Page 17: ...tart 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 37 JMS10SCMS 36 External Tooth Lock Washer M5 1 38 JBG8A 44 S...

Page 18: ... 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 JWBG8 68 Serial Number Label 1 Grinding Wheels local purchase 2 The grinding wheels provided with the 726100 may be purchased from Norton Industrial or a local dealer Refer to the following codes when ordering UPC 07660788282 Aluminum Oxide General Purpose White 8 100 Gri...

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

Page 20: ...20 WALTER MEIER Manufacturing Inc 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com www waltermeier com ...