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  Warranty and Service 

JET

®

 warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please 

contact

 

Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday. 

Warranty Period

 

The general warranty lasts for the time period specified in the literature included with your product or on the official 
JET branded website.  

 

JET products carry a limited warranty which varies in duration based upon the product. (See chart below) 

 

Accessories carry a limited warranty of one year from the date of receipt. 

 

Consumable items are defined as expendable parts or accessories expected to become inoperable within a 
reasonable amount of use and are covered by a 90 day limited warranty against manufacturer’s defects. 

Who is Covered 

This warranty covers only the initial purchaser of the product from the date of delivery. 

What is Covered 

This warranty covers any defects in workmanship or materials subject to the limitations stated below. This warranty 
does not cover failures due directly or indirectly to misuse, abuse, negligence or accidents, normal wear-and-tear, 
improper repair, alterations or lack of maintenance. JET woodworking machinery is designed to be used with Wood. 
Use of these machines in the processing of metal, plastics, or other materials outside recommended guidelines may 
void the warranty. The exceptions are acrylics and other natural items that are made specifically for wood turning. 

Warranty Limitations 

Woodworking products with a Five Year Warranty that are used for commercial or industrial purposes default to a 
Two Year Warranty. Please contact Technical Service at 1-800-274-6846 for further clarification.

 

How to Get Technical Support 

Please contact Technical Service by calling 1-800-274-6846. 

Please note that you will be asked to provide proof 

of initial purchase when calling. 

If a product requires further inspection, the Technical Service representative will 

explain and assist with any additional 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 Applies 

This warranty gives you specific legal rights, subject to applicable state law.  

Limitations on This Warranty 

JET LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE LIMITED WARRANTY FOR EACH PRODUCT. 
EXCEPT AS STATED HEREIN, ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 
PARTICULAR PURPOSE ARE EXCLUDED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN 
IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. 
JET SHALL IN NO EVENT BE LIABLE FOR DEATH, INJURIES TO PERSONS OR PROPERTY, OR FOR 
INCIDENTAL, CONTINGENT, SPECIAL, OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR 
PRODUCTS. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR 
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. 
 
JET sells through distributors only. The specifications listed in JET printed materials and on official JET website are 
given as general information and are not binding. JET reserves the right to effect at any time, without prior notice, 
those alterations to parts, fittings, and accessory equipment which they may deem necessary for any reason 
whatsoever. JET

®

 branded products are not sold in Canada by JPW Industries, Inc. 

Product Listing with Warranty Period  

90 Days – Parts; Consumable items 
1 Year – Motors; Machine Accessories 
2 Year – Metalworking Machinery; Electric Hoists, Electric Hoist Accessories; Woodworking Machinery used 
for industrial or commercial purposes 
5 Year – Woodworking Machinery 
Limited Lifetime – JET Parallel clamps; VOLT Series Electric Hoists; Manual Hoists; Manual Hoist   
Accessories; Shop Tools; Warehouse & Dock products; Hand Tools; Air Tools 

 

NOTE:  JET is a division of JPW Industries, Inc. References in this document to JET also apply to JPW Industries, 
Inc., or any of its successors in interest to the JET brand. 

 

 

Summary of Contents for 414610

Page 1: ...g Instructions and Parts Manual 2 Wheel Belt Grinder 3 x 79 Model BG 379 JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 414610 Ph 800 274 6848 Revision C 01 2016 www jettools com Copyright 2015 JET ...

Page 2: ...tional 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 Appl...

Page 3: ...s 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 Exploded View 12 12 1 3 BG 379 Belt Grinders Parts List 13 13 0 Electric...

Page 4: ...y 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 certain switch is in OFF position before connecting machine to power supply 12 Make certain machine is properly grounded 13 Make all machine adjustments or maintenance with machine unpl...

Page 5: ...ans 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 JET 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 design...

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: ...ce With load3 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 siz...

Page 8: ... 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 of the electric cord or plug is necessary do not connect the equipment grounding conductor to a live terminal Check with a q...

Page 9: ...ward 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 reinstall spark trap 1 8 3 Belt tension adjustment Belt tension has been adjusted by the manufacturer If future adjustment is needed distance between the wheels can be changed using the two hex nuts 17 9 0 Operation 9 1 Contac...

Page 10: ...el 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 replace belt Periodically clean interior of grinder Short belt life Excessive grinding p...

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

Page 12: ...12 12 1 2 BG 379 Belt Grinders Exploded View ...

Page 13: ...tor 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 Centrifu...

Page 14: ...5 S 75 1035G Side Panel 1 76 BG379 76 Hex Bolt fully threaded M10x30 1 77 S 75 1009 Washer 1 78 S 75 1008 Drive Wheel 1 79 S 75 1036 Spark Trap 1 80 BG379 80 Hex Bolt fully threaded M8x15 1 82 S 75 1037 Knob 1 83 S 75 83 Adjustable Handle M12x32 1 84 BG379 84 Hex Screw M12x140 1 85 1 618M1 0216 Phillips Pan Head Machine Screw for 1PH M5x8 4 618M1 0216 Phillips Pan Head Machine Screw for 3PH M5x8 2...

Page 15: ...S 75 85 39 Cable for 1PH 0 215m 18 AWG 1 85 40 S 75 85 40 PE Cable for 1PH 0 115m 16 AWG 1 85 41 S 75 85 41 UV Cable for 1PH 12 AWG 1 85 42 S 75 85 42 Cable for 3PH 0 332m 18 AWG 1 85 43 S 75 85 43 Cable for 3PH 0 181m 18 AWG 1 85 44 S 75 85 44 Cable for 3PH 0 415m 18 AWG 1 85 45 S 75 85 45 Cable for 3PH 0 468m 18 AWG 1 85 46 S 75 85 46 Cable for 3PH 0 412m 18 AWG 1 85 47 S 75 85 47 Cable for 3PH ...

Page 16: ...16 13 0 Electrical Connections BG 379 13 1 Single phase only 13 2 3 phase only ...

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