Baldor Grinder 280F User Manual

MN906  
No. 280F Replaces 280E  
LB7011  
Instruction Manual For Baldor Buffers  
SAFETY NOTICE:  
WARNING statements describe conditions that may lead to personnel injury including potentially  
fatal injuries if the machine is not properly used and warnings are not properly followed.  
Caution statements describe conditions that may lead to equipment damage.  
Electrical shock can cause serious or fatal injury. Only qualified personnel should install,  
maintain or troubleshoot this equipment.  
WARNING:  
WARNING:  
Do not operate this buffer until you are sure that you are completely familiar with the safe  
operation of the buffer, all accessories and safety equipment. Improper use can lead to  
severe injury. This manual defines proper use of this equipment. Before using this  
equipment for any other use, please consult Baldor. Contact Baldor if you do not  
understand any procedure or operation concerning this buffer or this manual.  
Prevent electrical shock hazard and accidental machine operation. Always disconnect  
buffer from the power source before servicing, changing accessories (such as wheels,  
tool rest, spark arrestor, etc.) or before performing maintenance.  
WARNING:  
WARNING:  
WARNING:  
Use a holder when practical. It’s safer than using your hand and it keeps hands away from  
wheel. Always keep hands at least 2 inches from wheels.  
Avoid accidental starting. Make sure switch is in “OFF” position before connecting to  
power source.  
Be sure the system is properly grounded before applying power. Do not apply power  
before you ensure that grounds are connected. Electrical shock can cause serious or fatal  
injury. Follow the National Electrical Code (NEC) and local codes for the safe installation  
of this equipment.  
WARNING:  
WARNING:  
Always use safety glasses with side shields (or full face shield) when operating grinder.  
Do not use ordinary eyeglasses. Also use face or dust mask if cutting operation is dusty.  
Unsuitable accessories or attachments added to this machine can create hazards. Baldor  
accessories are specifically designed to be used with this buffer. Use accessories or  
attachments only in the proper intended manner. Accessories or attachments obtained  
from another source may cause hazards. Consult the manufacturer before use.  
WARNING:  
Remove adjusting keys and wrenches from this product after use. Check to see that keys  
and adjusting wrenches are removed from buffer before turning it on. Projectiles can  
cause severe injury to yourself or others.  
WARNING:  
WARNING:  
Keep work area clean and well lighted. Clutter and poor lighting invites accidents.  
Don’t use in dangerous environment. Don’t use buffers in damp or wet locations, or  
expose them to rain. Electrical shock can cause serious or fatal injury. Follow the  
National Electrical Code (NEC) and local codes for the safe installation of this equipment.  
WARNING:  
Do not wear loose clothing, neckties, rings, bracelets, or other jewelry to get caught in  
moving parts. Nonslip footwear is recommended. Wear protective hair covering to  
contain long hair.  
WARNING:  
WARNING:  
Don’t over reach. Keep proper footing and balance at all times. A rotating wheel can  
catch an article of clothing and cause personnel injury.  
Check damaged parts. Before further use of the buffer, a guard or other part that is  
damaged should be carefully checked to assure 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 conditions that may affect its operation. A  
guard or other part that is damaged should be properly repaired or replaced.  
WARNING:  
When starting a grinder for the first time, or after installing a replacement grinding wheel,  
it is most important that the operator stand aside for at least one minute of rotation at full  
speed. This is the correct practice since debris in the wheel may be thrown out during the  
first moments the machine is in operation.  
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SAFETY NOTICE Continued  
Typical Buffer  
Wheel Flanges  
Arbor Nut  
with Vinyl Cover  
Wheel Flanges  
Spacer  
Buffer  
Arbor  
Arbor Nut  
with Vinyl Cover  
Buffer  
Arbor  
Spacer  
On−Off Switch  
Installation  
WARNING:  
When you receive your unit, there are several things you should do immediately.  
1. Observe the condition of the shipping container and report any damage immediately to  
the commercial carrier that delivered the product.  
2. Verify that the part number you received is the same as the part number listed on your  
purchase order.  
When starting a grinder for the first time, or after installing a replacement grinding wheel,  
it is most important that the operator stand aside for at least one minute of rotation at full  
speed. This is the correct practice since debris in the wheel may be thrown out during the  
first moments the machine is in operation.  
3. Mount buffer on solid bench. The buffer must be securely bolted to a rigid mounting  
surface. If a pedestal is used, first bolt pedestal securely to floor and then bolt buffer to  
pedestal.  
4. Check buffer nameplate to make certain the rating is correct for the power source,  
voltage and frequency. See electrical and grounding instructions for electrical service  
connection.  
5. Install soft cloth buffing wheel (see Typical Buffer Figure)  
a. Remove arbor nut, spacer and outer wheel flange.  
b. Place the buffer wheel on the arbor.  
c. Install the outer wheel flange, spacer and arbor nut.  
d. The arbor nut should be tightened just enough to prevent the wheel slipping on the  
arbor and the vinyl arbor nut cover must be in place.  
When starting buffer for the first time or after installing replacement wheel, it is most important  
that the operator stand aside for at least one minute. Debris in the wheel may be thrown out  
during the first moments the machine is in operation.  
Electrical Instructions  
Single phase buffers are equipped with cord and grounding type plug for 115 volts. To use  
with a different voltage, see instructions provided to make wiring changes. All attachment  
plugs and any receptacles must be replaced with devices rated for the voltage for which the  
buffer is reconnected. Table 1 indicates the minimum wire size. Be sure to comply with NEC  
and local wiring codes.  
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Grounding Instructions  
WARNING:  
Be sure the system is properly grounded before applying power. Do not apply power  
before you ensure that grounds are connected. Electrical shock can cause serious or fatal  
injury. Follow the National Electrical Code (NEC) and local codes for the safe installation  
of this equipment.  
1. All grounded, cordconnected grinders:  
In the event of a malfunction or breakdown, grounding provides a path of least  
resistance for electric current to reduce the risk of electric shock. This grinder is  
equipped with an electric cord having an equipmentgrounding conductor and a  
grounding plug. The plug must be plugged into a matching outlet that is properly  
installed and grounded in accordance with all local codes and ordinances. Do not  
modify the plug provided. If it will not fit the outlet, have the proper outlet installed by a  
qualified electrician.  
Improper connection of the equipmentgrounding conductor can result in a risk of  
electric shock. The “Green” insulated wire (with or without yellow stripes) is the  
equipmentgrounding conductor. If repair or replacement of the electric cord is  
necessary, do not connect the equipmentgrounding conductor to a live terminal. Check  
with a qualified electrician or serviceman if the grounding instructions are not completely  
understood, or if in doubt as to whether the tool is properly grounded.  
Use only 3wire extension cords that have 3prong grounding plugs and 3pole  
receptacles that accept the tool’s plug.  
Repair or replace damaged or worn cord immediately.  
2. Grounded, cordconnected grinders intended for use on a supply circuit having a  
nominal rating less than 150 volts.  
This grinder is intended for use on a circuit that has an outlet that looks like the one  
illustrated in Figure A or B.  
Figure A  
Figure B  
Cover of  
Grounded  
Outlet Box  
Grounding  
Blade  
Grounding  
Blade  
3. Permanently connected grinders:  
This grinder should be connected to a grounded, metal, permanent wiring system; or to  
a system having an equipmentgrounding conductor.  
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Operation  
WARNING:  
Do not operate this buffer until you are sure that you are completely familiar with the safe  
operation of the buffer, all accessories and safety equipment. Improper use can lead to  
severe injury. This manual defines proper use of this equipment. Before using this  
equipment for any other use, please consult Baldor. Contact Baldor if you do not  
understand any procedure or operation concerning this buffer or this manual.  
WARNING:  
When starting a grinder for the first time, or after installing a replacement grinding wheel,  
it is most important that the operator stand aside for at least one minute of rotation at full  
speed. This is the correct practice since debris in the wheel may be thrown out during the  
first moments the machine is in operation.  
Always use safety glasses with side shields (or full face shield) when operating buffer. Also  
use face or dust mask if cutting operation is dusty. Everyday eyeglasses only have impact  
resistant lenses, they are NOT safety glasses.  
Check that the OnOff switch is in the “OFF” position, and the shaft moves freely. When  
starting buffer for the first time or after installing replacement wheel, it is most important that  
the operator stand aside for at least one minute. Debris in the wheel may be thrown out  
during the first moments the machine is in operation. After connecting buffer to power  
source, turn switch on. Buffer should come up to speed smoothly and without vibration. If  
buffer does not, shut buffer off immediately and determine reason.  
Always keep hands at least 2 inches from wheels. If the work piece is small, use a holder to  
keep hands 2 inches or more from wheels.  
Use extreme care when polishing irregularlyshaped or small objects as they can be caught  
in the wheel and hurled outward with damaging force.  
Always polish from the front of the machine. If the work piece is caught by the wheel, the  
wheel will normally spin the piece downward.  
Buff on face (periphery) of the wheel only.  
Maintenance  
Replace worn buffing wheel as necessary. After a wheel is replaced, the arbor nut should be  
tightened just enough to prevent the wheel slipping on the arbor and the vinyl arbor nut cover  
must be in place.  
Motor and pulley bearings are lubricated for life and do not require additional lubrication.  
Wipe off buffing dust to prevent accumulation.  
Replace damaged parts immediately to maintain safety of machine.  
Table 1 Minimum Gauge Wire Size  
Volts  
115V  
230V  
Total Length of Cord (Cord + Extension, in Feet)  
25  
50  
50  
100  
200  
150  
300  
Ampere Rating  
100  
More Than  
Not More Than  
AWG  
0
6
6
18  
18  
16  
14  
16  
16  
16  
12  
16  
14  
14  
14  
12  
12  
10  
12  
16  
10  
12  
Not Recommended  
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LIMITED WARRANTY  
Unless otherwise provided, Baldor grinders are warranted against defects in Baldor workmanship and  
materials for a period of ThirtySix months. All warranty claims must be submitted to a Baldor repair facility  
prior to the expiration of the warranty period. Baldor shall have no responsibility or liability for any defect,  
latent or otherwise, discovered after the expiration of the warranty period provided herein. Extended  
warranties are available for certain Baldor products. These warranties are described in Baldor’s catalog and  
other sales literature. Extended warranties are subject to the terms and conditions of this Limited Warranty  
as modified by the additional terms of the extended warranty. If a Baldor product is defective due to Baldor  
workmanship or materials and the defect occurs during the warranty period, then Baldor will either repair the  
product or replace it with a new one, whichever Baldor believes to be appropriate under the circumstances.  
Warranty service is available for all Baldor products from Baldor’s Customer Service Department in Fort  
Smith, Arkansas, and from Baldor repair facilities. A list of Baldor’s repair facilities may be obtained by  
contacting Baldor at: Baldor Electric Company, 5711 R.S. Boreham, Jr. St., Fort Smith, Arkansas,  
4796464711 (phone), 4796485792 (fax). All Baldor products requiring warranty service shall be  
transported or shipped freight prepaid, at the risk of the party requiring warranty service, to Baldor’s  
Customer Service Department in Fort Smith, Arkansas or to a Baldor repair facility. Written notification of the  
alleged defect in addition to a description of the manner in which the Baldor grinder is used, and the name,  
address and telephone number of the party requiring warranty service must be included. Baldor is not  
responsible for removal and shipment of the Baldor product to the service center nor for the reinstallation of  
the Baldor product upon its return to the party requiring warranty service. Customers who are unable to take  
or ship the Baldor product to a Baldor repair facility, or who desire a repair to be made by other than a Baldor  
repair facility, should contact Baldor’s Customer Service Department at 4796464711. Repair by anyone  
other than a Baldor repair facility must be approved in writing by Baldor in advance of such service.  
Problems with Baldor products can be due to improper maintenance, faulty installation, nonBaldor  
additions or modifications, or other problems not due to defects in Baldor workmanship or materials. If a  
Baldor repair facility determines that the problem with a Baldor product is not due to defects in Baldor  
workmanship or materials, then the party requiring warranty service will be responsible for the cost of any  
necessary repairs. Parties requiring warranty service not satisfied with a determination that a problem is  
outside of warranty coverage should contact Baldor’s Customer Service Department at 4796464711 for  
further consideration.  
EXCEPT FOR THE EXPRESS WARRANTY SET FORTH ABOVE, BALDOR DISCLAIMS ALL OTHER  
EXPRESS AND IMPLIED WARRANTIES INCLUDING THE IMPLIED WARRANTIES OF FITNESS FOR A  
PARTICULAR PURPOSE AND MERCHANTABILITY. NO OTHER WARRANTY, EXPRESS OR  
IMPLIED, WHETHER OR NOT SIMILAR IN NATURE TO ANY OTHER WARRANTY PROVIDED HEREIN,  
SHALL EXIST WITH RESPECT TO THE GOODS SOLD UNDER THE PROVISIONS OF THESE TERMS  
AND CONDITIONS. ALL OTHER SUCH WARRANTIES ARE HEREBY EXPRESSLY WAIVED BY THE  
BUYER. UNDER NO CIRCUMSTANCES SHALL BALDOR BE LIABLE OR RESPONSIBLE IN ANY  
MANNER WHATSOEVER FOR ANY INCIDENTAL, CONSEQUENTIAL OR PUNITIVE DAMAGES, OR  
ANTICIPATED PROFITS RESULTING FROM THE DEFECT, REMOVAL REINSTALLATION, SHIPMENT  
OR OTHERWISE.  
This is the sole warranty of Baldor and no other affirmations or promises made by Baldor shall be deemed to  
create an express or implied warranty. Baldor has not authorized anyone to make any representations or  
warranties other than the warranty contained herein.  
P.O. Box 2400 Ft. Smith, AR 729012400  
(479) 6464711  
Fax (479) 6485792  
Printed in USA  
9/03  
© Baldor Electric Company  
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