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parts. Do not overreach or use excessive 
force to perform any machine operation. 

24. Use the right tool at the correct speed and 

feed rate. Do not force a tool or attachment 
to do a job for which it was not designed. 
The right tool will do the job better and more 
safely. 

25. Use recommended accessories; improper 

accessories may be hazardous. 

26. Maintain tools with care. Keep cutting tools 

sharp and clean for the best and safest 
performance. Follow instructions for 
lubricating and changing accessories. 

27.  Turn off machine and disconnect from power 

before cleaning. Use a brush or compressed 
air to remove chips or debris — do not use 
your hands. 

28. Do not stand on the machine. Serious injury 

could occur if the machine tips over. 

29. 

Never leave the machine running 
unattended. Turn power off and do not leave 
machine until it comes to a complete stop. 

30. Remove loose items and unnecessary work 

pieces from the area before starting the 
machine. 

31. Do not grind magnesium, as it may create a 

fire hazard. 

 

 

Familiarize yourself with the following safety 
notices used in this manual. 

 This means that if precautions 

are not heeded, it may result in minor injury 
and/or possible machine damage. 
 

 This means that if precautions 

are not heeded, it may result in serious or even 
fatal injury. 
 

 
 
 
 

 
 
 
 
 
 
 

4.0

  About this manual 

This manual is provided by Walter Meier (Manufacturing) Inc. covering the safe operation and 
maintenance procedures for a JET Model BG-379 Belt Grinder. This manual contains instructions on 
installation, safety precautions, general operating procedures, maintenance instructions and parts 
breakdown. Your machine has been designed and constructed to provide years of trouble-free operation 
if used in accordance with instructions set forth in this document.  

This manual is not intended to be an exhaustive guide to belt grinder operational methods, stock choice, 
abrasive selection, etc.  Additional knowledge can be obtained from experienced users or trade journals. 
Whatever accepted methods are used, always make personal safety a priority. 

If there are questions or comments, please contact your local supplier or Walter Meier. Walter Meier can 
also be reached at our web site: www.waltermeier.com. 

Retain this manual for future reference. If the machine transfers ownership, the manual should 
accompany it. 

 

 

Summary of Contents for BG-379

Page 1: ...al 2 Wheel Belt Grinder 3 x 79 Model BG 379 WALTER MEIER Manufacturing Inc 427 New Sanford Road LaVergne Tennessee 37086 Part No M 414610 Ph 800 274 6848 Revision A 09 2011 www waltermeier com Copyright 2011 Walter Meier Manufacturing Inc ...

Page 2: ...stage 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 ...

Page 3: ...ctrical Connections 8 7 4 Voltage Conversion 3PH only 8 8 0 Adjustments 9 8 1 Belt tracking 9 8 2 Belt change 9 8 3 Belt tension adjustment 9 9 0 Operation 9 9 1 Contact grinding 9 9 2 Surface grinding 9 10 0 Maintenance 9 11 0 Troubleshooting 10 12 0 Replacement Parts 10 12 1 1 BG 379 Belt Grinders Exploded View 11 12 1 2 BG 379 Belt Grinders Parts List 12 13 1 Electrical Connections single phase...

Page 4: ...r Your risk of exposure varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as face or dust masks that are specifically designed to filter out microscopic particles 10 Do not operate this machine while tired or under the influence of drugs alcohol or any medication 11 Make cert...

Page 5: ... notices used in this manual This means that if precautions are not heeded it may result in minor injury and or possible machine damage This means that if precautions are not heeded it may result in serious or even fatal injury 4 0 About this manual This manual is provided by Walter Meier Manufacturing Inc covering the safe operation and maintenance procedures for a JET Model BG 379 Belt Grinder T...

Page 6: ...op work support 6 Belt guard 7 Tracking adjustment knob 8 Belt tension release lever 9 Industrial switch with overload protection 10 Angle lock handle x2 11 Drive wheel 12 Dust port 13 Side panel 14 Pedestal 15 Base 16 Hinged guard plate 17 Tension adjustment nuts 18 Swing away safety guard ...

Page 7: ...ith load 3 88 db at 93mm 3 66 distance 88 db at 93mm 3 66 distance Dimensions and Capacities Abrasive belt size LxW 2000 x 75 mm 79 x 3 2000 x 75 mm 79 x 3 Flat grinding surface 530 mm 21 530 mm 21 Working height variable 780 1150 mm 30 3 4 45 1 4 780 1150 mm 30 3 4 45 1 4 Belt speed 40 m s 131 2 fps 40 m s 131 2 fps Contact wheel size Dia x W 200 x 75 mm 8 x 3 200 x 75 mm 8 x 3 Drive wheel size D...

Page 8: ...the event of a malfunction or breakdown grounding provides a path of least resistance for electric current to reduce the risk of electric shock Improper connection of the equipment grounding conductor can result in a risk of electric shock The conductor with insulation having an outer surface that is green with or without yellow stripes is the equipment grounding conductor If repair or replacement...

Page 9: ...b Do not operate machine with side panel open 8 2 Belt change 1 Disconnect machine from power 2 Allow belt to completely stop then remove spark trap 1 3 Open side cover and slacken belt by pushing tension release lever 8 downward counterclockwise 4 Install new belt according to direction arrows printed on belt 5 Move tension release lever 8 upward clockwise to tighten belt 6 Close side cover and r...

Page 10: ...nob Lack of crown on drive wheel Check for slight crown approx 1 16 Replace drive wheel if crown is not present Slack belt Insufficient belt tension Set tension so belt is just taut Premature wear of contact wheel Excessive belt tension Set tension so belt is just taut Grinding on one area of belt Use entire belt work surface whenever possible Excess deposits on belt debris in machine Clean or rep...

Page 11: ...11 12 1 1 BG 379 Belt Grinders Exploded View ...

Page 12: ... for 1PH 1 S 75 14 10 3 Stator for 3PH 1 14 11 S 75 14 11 Motor canister 1 14 12 S 75 14 12 Upper Junction Box 1 14 13 S 75 14 13 Lower Junction Box 1 14 14 TS 2284082 Phillips Pan Head Machine Screw M4x8 4 14 15 S 75 14 15 1 Rotor for 1PH 1 S 75 14 15 3 Rotor for 3PH 1 14 16 S 75 14 16 Washer 1 14 17 S 75 14 17 Cover 1 14 18 BG379 14 18 Hex Bolt fully threaded M8x20 3 14 19 S 75 14 19 Centrifugal...

Page 13: ...8 S 75 1020 Eccentric wheel 1 59 TS 1550061 Flat Washer 8mm 4 60 TS 2361081 Lock Washer 8mm 4 61 BG379 61 Hex Bolt fully threaded M8x22 4 62 S 75 1015 Spring 2 63 BG379 63 Elasticity pin 6x40mm 2 64 S 75 1017 Pin Shaft 1 65 BG379 65 Retaining Ring 10mm 3 66 S 75 1018 Draw Bar 1 67 BG379 67 Butterfly Spring 12mm 12 68 S 75 1016 Support 1 69 TS 2342121 Nylon Lock Hex Nut M12 2 70 TS 2245081 Socket H...

Page 14: ...lips Pan Head Machine Screw M5x8 2 85 21 S75 85 21 Board 1 85 22 S75 85 22 Cover Plate 1 85 23 S75 85 23 Strain Relief M20x1 5 2 85 24 S75 85 24 Cable for A C Contactor 4x1 5 1 85 25 S75 85 25 A C Contactor for 3PH KM 1 85 26 S75 85 26 Thermal Relay for 3PH FR 1 85 27 S75 85 27 Cable for Thermal Relay 4x1 5 1 85 28 S75 85 28 Transformer for 3PH 1 5 0 75 1 86 S 75 040 Safety Guard 1 87 TS 1540021 H...

Page 15: ...15 13 1 Electrical Connections single phase only ...

Page 16: ...16 13 2 Electrical Connections 3 phase only WALTER MEIER Manufacturing Inc 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www waltermeier com ...

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