Jet BG-379 User Manual
Operating Instructions and Parts Manual
2-Wh eel Belt G rinder 3” x 79”
Model BG-37 9
WALTER MEIER (Manuf acturing) Inc.
427 New Sanford Road
LaVergne, Tennessee 37086 Part No. M- 414610
Ph.: 800-274-6848 Revision A 09/2011
www.walt er meier.c om Copyright © 2011 Walt er Meier (M anufacturi ng) Inc.
1.0 Warranty and Service
Walter Meier (Manufacturing) Inc., warrants every product it sells. If one of our tools needs service or repair, one of
our Authorized Service Centers located throughout the United States can give you quick service. In most cases, any
of these Walter Meier Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or
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perform routine maintenance and major repair on your JET
your area call 1-800-274-6848.
MORE INFORMATION
Walter Meier is consistently adding new products to the line. For complete, up-to-date product information, check with
your local Walter Meier distributor, or visit waltermeier.com.
WARRANTY
JET products carry a limited warranty which varies in duratio n based upon the product (MW = Metalworking, WW =
Woodworking).
WHAT IS COVERED?
This warranty covers any defects in workmanship or materials subject to the e xceptions stated below. Cutting tools,
abrasives and other consumables are excluded from warranty coverage.
WHO IS COVERED?
This warranty covers only the initial purchaser of the product.
WHAT IS THE PERIOD OF COVERAGE?
The general JET warranty lasts for the time period specified in the product literature of each product.
WHAT IS NOT COVERED?
Five Year Warranties do not cover woodworking (WW) products used for commercial, industrial or educational
purposes. Woodworking products with Five Year Warranties that are used for commercial, industrial or education
purposes revert to a One Year Warranty. This warranty does not cover defects due directly or indirectly to misuse,
abuse, negligence or accidents, normal wear-and-tear, improper repair or alterations, or lack of maintenance.
HOW TO GET SERVICE
The product or part must be returned for examination, postage 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 our expense unless it is determined by us that
there is no defect, or that the defect resulted from causes not within the scope of our warranty in which case we will,
at your direction, dispose of or return the product. In the event you choose to have the product returned, you will be
responsible for the shipping and handling costs of the return.
HOW STATE LAW APPLIES
This warranty gives you specific legal rights; you may also have other rights which vary from state to state.
LIMITATIONS ON THIS WARRANTY
WALTER MEIER (MANUFACTURING) INC., LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE
LIMITED WARRANTY FOR EACH PRODUCT. EXCEPT AS STATED HEREIN, ANY IMPLIED WARRANTIES OR
MERCHANTABILITY AND FITNESS ARE EXCLUDED. SOME ST ATES DO NOT ALLOW LIMITATIONS ON HOW
LONG THE IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
WALTER MEIER 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.
Walter Meier sells through distributors only. The specifications in Walter Meier catalogs are given as general
information and are not binding. Members of Walter Meier reserve 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
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whatsoever. JET
branded products are not sold in Canada by Walter Meier.
tools. For the name of an Authorized Service Center in
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2.0 Table of Contents
Section Page
1.0 Warranty and Service ...................................................................................................................2
2.0 Table of Contents .........................................................................................................................3
3.0 Safety Warnings...........................................................................................................................4
4.0 About this manual ........................................................................................................................5
5.0 Features ......................................................................................................................................6
6.0 Specifications...............................................................................................................................7
7.0 Set-Up and Assembly ...................................................................................................................8
7.1 Floor Diagram...........................................................................................................................8
7.2 Unpacking and cleanup .............................................................................................................8
7.3 Electrical Connectio ns ...............................................................................................................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 Operatio n ....................................................................................................................................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 Connectio ns – single phase only ................................................................................. 15
13.2 Electrical Connectio ns – 3 phase only........................................................................................ 16
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3.0 Safety Warnings
1. Read and understand the entire owner’s
manual before attempting assembly or
operation.
2. Read and understand the warnings posted
on the machi ne and in t his manual. Failure
to comply with all of these warnings may
cause serious injury.
3. Replace the warning labels if they become
obscured or removed.
4. This belt grinder is designed and intended
for use by pr operly tr ained a nd experie nced
personnel only. If you are not familiar with
the proper and safe operation of a belt
grinder, do not us e until proper t raining a nd
knowledge have bee n obtai ned.
5. Do not use this machine for other than its
intended use. If used for other purposes,
Walter M eier (Manufacturi ng), I nc., disclai ms
any real or i mplied warra nty a nd holds itself
harmless from any injury that may result
from that use.
6. Always wear approved safety glasses/face
shields while using this belt grinder.
(Everyday eyeglasses only have impact
resistant lenses; they are not safety
glasses.) Eye w ear shall be impact r esist ant,
protective safety glasses with side shields
which comply with ANSI Z87.1
specifications.
7. Before operating this belt grinder, remove
tie, rings, watches and other jewelr y, and r oll
sleeves up past the elbows. Do not wear
loose clothing, and confine long hair. Nonslip footwear or anti-skid floor strips are
recommended. Do not wear gloves or hold
the work with a rag when grinding.
8. Wear ear protectors ( plugs or muffs) during
extended periods of operat io n.
9. Some dust created by power sanding,
sawing, grinding, drilling and other
construction activities contains chemicals
known to cause cancer, birth defects or
other reproductiv e harm. Some e xamples of
these chemicals are:
• Lead from lead based paint.
• Crystalline silica from bricks, cement
and other masonry products.
• Arsenic and chromium from chemically
treat ed lumber.
Your risk of e xposure varies, de pending on
how often you do this type of work. To
reduce your exposure to these chemicals,
work in a well- ventilated area a nd work w ith
approved safety eq uipment, s uch as face or
dust masks that are specifically desig ned to
filter out microscopic particles.
10. Do not operate this machine while tired or
under the i nfluence of dr ugs, alc ohol or a ny
medication.
11. Make certain switch is in OFF position
before connecti ng machine to pow er supply.
12. Make cer t ain machine is properly grounded.
13. Make all machine adjustments or
maintenance with machine unplugged from
power source.
14. Remove adj usti ng 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 all times
when machine is in use. If removed for
maintenance purposes, use extreme c aution
and replace the guards immediately after
maintenance is complete.
16. The belt grinder should be secured to the
floor befor e using.
17. Check damaged part s. Befor e furt her us e of
the machine, a guard or other 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 a ny other conditio ns that may aff ect its
operation. A guard or other part that is
damaged should be properly repaired or
replaced.
18. Provide for adequate space surrounding
work ar ea and non-glare, overhead lighti ng.
19. Keep the floor around the machine clean
and free of scrap mater ial, oil and grease.
20. Keep visitors a saf e distance fr om the wor k
area. Keep children a way.
21. Make your workshop child proof with
padlocks, master switches or by removing
starter keys.
22. Give your work undi vided attention. Look ing
around, carrying on a conversation and
“horse-play” are careless acts that can result
in serious injury.
23. Maintain a balanced sta nce at all times so
that you do not fall or lean against moving
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parts. Do not overreach or use excessive
force t o perfor m any machine operation.
24. Use the right tool at the correct speed and
feed rat e. Do not force a tool or at tac hme nt
to do a job for which it was not designed.
The right t ool will do the job bet t er and more
safely.
25. Use recommended accessories; improper
accessories may be hazardous.
26. Maintain t ools with care. Keep cutting t ools
sharp and clean for the best and safest
performance. Follow instructions for
lubricating and changing accessories.
27. Turn off machi ne and disconnect f r om pow er
before cleani ng. Use a br ush or co mpress ed
air to remove chips or debris — do not use
yo ur ha nd s .
28. Do not stand on the machine. Serious injury
could occur if the machine tips over.
29. Never leave the machine running
unattended. T ur n power off and do not leave
machine until it comes to a complete stop.
30. Remove loose items a nd unnecess ary wor k
pieces from the area before starting the
machine.
31. Do not grind magnesi um, as it may create a
fire hazard.
Familiarize your self with t he fo llowing 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. T his manual contains instructions on
installation, safety precautions, general operating procedures, maintenance instructions and parts
breakdown. Y our machine has been designed and constr ucted to provide years of t rouble-free oper ation
if used in accordance with instructions set forth in this document.
This manual is not intended to be an exhausti ve guide to belt grinder operational met hods, stock choice,
abrasive selectio n, etc. Additional knowledge ca n be obtained from experienced users or trade journals.
Whatever accepted methods ar e used, always make pers onal safety a priority.
If there are questions or comments, please co ntact your local supplier or Walt er Meier. Walter Meier can
also be reached at our web site: www.walt er meier.com.
Retain this manual for future reference. If the machine transfers ownership, the manual should
accompany it.
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