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Operating Instructions and Parts Manual
2-Wheel Belt Grinder 3” x 79”
Model BG-379
WALTER M EIE R (Manufa c turing) Inc.
427 New Sanford Road
LaVergne, Tennessee 37086 Part No. M-414610
Ph.: 800-274-6848 Revision B 07/2012
www.waltermeier.com Copyright © 2012 Walter Meier (Manufacturing) 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
®
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 duration based upon the product (MW = Metalworking, WW =
Woodworking).
WHAT IS COVERED?
This warranty covers any defects in workmanship or materials subject to the exceptions 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 STATES 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, SPECI AL, 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
®
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 Connec tions ................................................................................................................... 8
7.4 Voltage Conversion ( 3P H 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 Gri nder s – Exploded View .................................................................................. 11
12.1.2 BG-379 Belt Gri nder s – Exploded View .................................................................................. 12
12.1.3 BG-379 Belt Gri nder s – Parts List ........................................................................................... 13
13.0 Electrical Connec tions – single phase only .................................................................................... 16
13.2 Electrical Connec tions – 3 phase only ........................................................................................... 17
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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 this manual. F ailure
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 properl y trained and ex perienced
personnel only. If you are not familiar with
the proper and safe operation of a belt
grinder, do not use unti l proper training and
knowledge have been obtained.
5. Do not use this machine for other than its
intended use. If used for other purposes,
Walter Meier ( M anufacturing), Inc., disclaims
any real or im plied warranty and holds it self
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 wear shal l be impact resistant,
protective safety glasses with side shields
which comply with ANSI Z87.1
specifications.
7. Before operating this belt grinder, remove
tie, rings, watc hes a nd ot her jewelry, and roll
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 grindi ng.
8. Wear ear pr otectors (plugs or muff s) during
extended periods of operation.
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 ex amples of
these chemicals are:
• Lead from lead based paint.
• Crystalline silica from bricks, cement
and other masonry product s.
• Arsenic and chromium from chemically
treated lum ber.
Your risk of exposure vari es, depending on
how often you do this type of work. To
reduce your exposure to these chemicals,
work in a well-ventil ated area and work with
approved safet y equipm ent, such as f ace or
dust masks that are specificall y designed to
filter out microscopic particles.
10. Do not operate this machine while tired or
under the infl uence of drugs, al cohol or any
medication.
11. Make certain switch is in OFF position
before connecting machine to power supply.
12. Make c er t ain machine is properly grounded.
13. Make all machine adjustments or
maintenance with machine unplugged from
power source.
14. Rem ov e adjusting 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 pur poses, use ext rem e cauti on
and replace the guards immediately after
maintenance is complete.
16. The belt grinder should be secured to the
floor befor e using.
17. Check dam aged parts. Bef ore furt her use 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 any other condi tions that m ay affect its
operation. A guard or other part that is
damaged should be properly repaired or
replaced.
18. Provide for adequate space surrounding
work area and non-glare, overhead lighting.
19. Keep the floor around the machine clean
and free of scrap mat eri al, oil and grease.
20. Keep vi sitors a safe distance f rom the work
area. Keep chi ld ren away.
21. Make your workshop child proof with
padlocks, master switches or by removing
starter keys.
22. G ive your work undivi ded attention. Look ing
around, carrying on a conversation and
“horse-play” are c ar eless acts that can resul t
in serious injury.
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23. Maintain a balanced stance at all times so
that you do not f all or lean against moving
parts. Do not overreach or use excessive
force to perform any machine oper ation.
24. Use the right tool at the correct speed and
feed rate. Do not forc e a tool or att achment
to do a job for which it was not designed.
The right tool will do the job bet ter and m ore
safely.
25. Use recommended accessories; improper
accessories may be haz ar dous.
29. Never leave the machine running
unattended. Tur n power off and do not leave
machine until it com es to a c om plete stop.
30. Rem ove loose it ems and unnecessary work
pieces from the area before starting the
machine.
31. Do not gri nd magnesium , as it may cr eate a
fire hazard.
26. Maintain t ools with care. Keep cut ting 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 c ompressed
air to rem ove chips or debris — do not use
your hands.
28. Do not stand on the m achi ne. Serious inj ury
could occur if the machine tips over.
4.0 About this manual
Familiarize you rself with the following safet y
notices used in thi s manu al.
This means that if precautions
are not heeded, it may resul t in minor injury
and/or possible machine damage.
This means that if precautions
are not heeded, it may resul t in serious or even
fatal injury.
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 m achine has been designed an d constructed t o provide y ears of troubl e-free operati on
if used in accordance with instructions set forth in this document.
This manual is not i ntended to be an exhaustiv e guide to belt grinder operational m ethods, stock choi ce,
abrasive selec tion, etc. Additi onal knowledge can be obtai ned from ex perienced users or trade j ournals.
Whatever acc epted methods are used, always make personal safet y a pri ori ty.
If there are questions or c omments, please contact your local suppli er or Walter Meier. Walt er 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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5.0 Features
1. Spark trap
2. Eye shield
3. Front work support
4. Contact wheel
5. Top work support
6. Belt guard
7. Tracking adj ustm ent knob
8. Belt tension release lever
9. Industrial switc h wi th overload protection
10. Angl e loc k handle (x2)
11. Drive wheel
12. Dust port
13. Side panel
14. Pedestal
15. Base
Figure 1
16. Hinged guar d plate
17. Tension adjustment nuts
18. Swing-away safety guard
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