ROTARY TOOL SET
WITH 30 ACCESSORIES
MODEL 94076
ASSEMBLY AND OPERATING
INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
©
®
Copyright 2005 by Harbor FreightTools . All rights reserved. No portion of this
manual or any artwork contained herein may be reproduced in any shape or
form without the express written consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353.
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13. Stay alert. Watch what you are doing, use common sense. Do not operate any tool when you are tired.
14. Take caution as some woods contain preservatives such as copper chromium arsenate (CCA) which
can be toxic.When cutting these materials extra care should be taken to avoid inhalation and minimize skin
contact.
15. Check for damaged parts. Before using any tool, any part that appears damaged should be carefully
checked to determine that it will operate properly and perform its intended function. Check for alignment and
binding of moving parts;any broken parts or mounting fixtures;and any other condition that may affect proper
operation.Any part that is damaged should be properly repaired or replaced by a qualified technician.Do not
use the tool if any switch does not turn On and Off properly.
16. Guard against electric shock. Prevent body contact with grounded surfaces such as pipes, radiators,
ranges, and refrigerator enclosures.
17. Replacement parts and accessories. When servicing, use only identical replacement parts. Use of any
other parts will void the warranty. Only use accessories intended for use with this tool.Approved accessories
are available from Harbor FreightTools.
18. Do not operate tool if under the influence of alcohol or drugs. Read warning labels on prescriptions to
determine if your judgment or reflexes are impaired while taking drugs. If there is any doubt, do not operate the
tool.
19. Use proper size and type extension cord. If an extension cord is required, it must be of the proper size and
type to supply the correct current to the tool without heating up. Otherwise, the extension cord could melt and
catch fire, or cause electrical damage to the tool.This tool requires use of an extension cord of 0 to 10 amps
capability (up to 50 feet), with wire size rated at 18 AWG. Longer extension cords require larger size wire. If
you are using the tool outdoors, use an extension cord rated for outdoor use (signified by “WA”on the jacket).
20. Maintenance. For your safety, maintenance should be performed regularly by a qualified technician.
Note: Performance of this tool (if powered by line voltage) may vary depending on variations in local line
voltage. Extension cord usage may also affect tool performance.
Warning:The warnings, cautions, and instructions discussed in this instruction manual cannot cover all
possible conditions and situations that may occur. It must be understood by the operator that common
sense and caution are factors which cannot be built into this product, but must be supplied by the operator.
WARNING: Some dust created by power sanding, sawing,grinding,drilling,and other construction activities,
contain chemicals known [to the State of California] to cause cancer, birth defects or other reproductive
harm. Some examples of these chemicals are:
-
-
Lead from lead-based paints
Crystalline silica from bricks and cement or other masonry
products
-
Arsenic and chromium from chemically treated lumber
(California Health & Safety Code § 25249.5, et seq. )
Warning:The brass components of this product contain lead, a chemical known to the State of California to cause
birth defects (or other reproductive harm).
(California Health & Safety Code § 25249.5, et seq.)
Warning: Exposure to aluminum oxide (a dust generated from material removing processes) can result in eye,
skin and breathing irritation. Always use a NIOSH (National Institute for Occupational Safety and Health) approved
respirator and safety goggles. Avoid skin exposure. Proper ventilation in the work area is required.
Additional RotaryTool SafetyWarnings.
1. Make sure accessories are rated for the speed recommended for this tool.
2. Securely clamp workpiece as the Rotary Tool spins at very high RPM rates. Never hold a workpiece in your
hands.
3. Always disconnect the DC power source before changing accessories.
4. Do not grind or sand near flammable materials.
5. After use, do not touch the bit or collet until the tool has had enough time to cool off.
For technical questions, please call 1-800-444-3353.
SKU 94076
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6. If the bit or accessory bogs down or becomes jammed, make sure to turn off the switch and unplug from the
power source before clearing the bit or accessory.
7. Always feed the accessory or bit in the proper direction. Feed in the direction that the cutting edge is exiting
the workpiece (that is the same direction chips are thrown).
8. Always bring the tool up to speed before contacting the material.
9. Make sure there are no foreign objects, such as nails, in your workpiece.
10. Don’t use dull or damaged bits. Dull or damaged bits may break off and cause serious injury. Replacement
accessories are available at Harbor FreightTools.
11. After changing bits or accessories, make sure the collet is securely fastened.
12. Any accessory used with this tool must be rated at 16,250 RPM or greater.
Unpacking
When unpacking, check to make sure the parts listed on page 6 and 8 are included. If any parts are missing
or broken, please call Harbor Freight Tools at the number on the cover of this manual as soon as possible.
Operation
Note: Always disconnect the tool from the power adapter while loading, unloading, or adjusting accessories.
1. Choose the appropriate Collet (7) for the shank of the accessory you are using.
2. Just above the collet shaft on the end of the tool, there is a shaft lock button. Depress that button to lock the
shaft so that you can open the Collet (7).
3. Remove the Collet Nut (6) on the tip of the tool and add the appropriate Collet (7). Put the bit or accessory
you want in the Collet (7). Continue to depress the shaft lock button while tightening the Collet Nut (6).
4. Make certain that the power switch is in the off (O) position. Plug the Adapter (13) into a properly grounded,
120VAC outlet. Connect the plug from the RotaryTool (1) to the connector on the end of the adapter’s cord.
5. Hold the tool firmly in one hand. Turn the toggle switch on ( I ) and wait until the tool reaches full speed before
contacting the workpiece.
6. When finished, turn off (O) the toggle switch and unplug the unit.
OperationalTips.
1. When you turn on the tool, hold it a safe distance in a direction away from your face.
2. Practice on scrap material while getting use to the feel of the tool.
3. Never lean on the tool. Allow the speed of the tool to do the work for you. Lightly contact the material. It is
better to make several passes on a workpiece than to try to remove a lot of material in one pass. A gentle
touch works best. If you feel the job is not getting done, change to a more powerful cutter.
4. Plastics and similar materials will melt when contacted with high speed accessories. Start very slowly and
monitor the material carefully.
5. Follow all warnings and safety precautions and operational warnings as outlined in this manual completely.
AccessoryTips. (Some of the many uses.)
1. Mandrels are the shanks with a threaded or screw head. They are required when you use the cutoff wheels,
polishing wheels, and sanding discs. The mandrel without the nut on the end is for the felt polishing wheels.
For cutoff wheels and sanding discs, remove the nut on the end of the mandrel, add the wheel or disc, and
replace the nut.
2. Cutters are used for cutting, carving and slotting materials.
3. Grinding Stones are used for sharpening cutting tools, screwdrivers etc. They can also be used to deburr
any metal after the cutting process. Also, they can be used to remove excess glaze on ceramics.
4. Cutting Wheels are used for slicing or cutting off bolt heads, nuts, etc.
5. Wire Brushes clean silverware, jewelry, and antiques.
For technical questions, please call 1-800-444-3353.
SKU 94076
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6. Sanding accessories can be used on a variety of workpieces, ranging from models to fine furniture.
7. Polishing accessories bring metal surfaces to a smooth finish.
Parts List
Part
Description
Qty.
Maintenance
Note: Always disconnect the power adapter from the electrical outlet before attempting any maintenance.
1. While wearing safety goggles and a full face shield, use compressed air to clean out the tool’s vents.
2. Clean the collet shaft of any dirt or debris.
3. Wipe the tool down with a soft cloth. Do not use any solvents to clean the tool as they will permanently
damage the tool.
4. If the Rotary Tool begins to work less efficiently, or slow down, have the internal brushes replaced by an
qualified technician.
PLEASE READTHE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDEDTHE PARTS DIAGRAM INTHIS MANUAL
AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY
REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO
MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS
OFTHE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATESTHAT
ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED
TECHNICIANS AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING
OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO,
OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTSTHERETO.
NOTE: Some parts are listed and shown for illustration purposes only and are not available indi-
vidually as replacement parts.
For technical questions, please call 1-800-444-3353.
SKU 94076
Page 5
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Assembly Diagram
For technical questions, please call 1-800-444-3353.
SKU 94076
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Accessory List
Part
A
Description
Rotary Tool
B(7)
C
Brass Collet Set
1
Diamond Burr Set ( / ” Shank)
8
3
Mounted Stone Set ( / ” Shank)
D
32
1
Sanding Drum Set ( / ” Shank)
E
8
1
Cut Off Wheel Set ( / ” Shank)
F
8
1
Buffing Wheel Set ( / ” Shank)
G
H
8
3
Wire Wheel Set ( / ” & / ” Shanks)
1
32
8
I
Grinding Stone
3
1
J
Drill Bit Set ( / ", / " dia.)
64
3
8
K
Carbide Burr ( / ” Shank)
32
L
Case
M(13) AC Adapter
Accessory Illustration
Note: To use the cutoff wheels and polishing wheels, see Accessory Tips on page 5.
REV 10/06
Page 7
For technical questions, please call 1-800-444-3353.
SKU 94076
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WARRANTY
LIMITED
90 DAY/1YEAR
WARRANTY
Harbor FreightTools Co.makes every effort to assure that its products meet high quality and durability standards,
and warrants to the original purchaser for a period of ninety days from date of purchase that the motor, the belts
(if so equipped), and the blades (if so equipped) are free of defects in materials and workmanship.Harbor Freight
Tools also warrants to the original purchaser, for a period of one year from date of purchase, that all other parts
and components of the product are free from defects in materials and workmanship.This warranty does not apply
to damage due directly or indirectly to misuse, abuse, negligence or accidents; repairs or alterations outside our
facilities; or to lack of maintenance.We 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 product. Some states do
not allow the exclusion or limitation of incidental or consequential damages, so the above limitation of exclusion
may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS
OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid.
Proof of purchase date and an explanation of the complaint must accompany the merchandise. If our inspection
verifies the defect, we will either repair or replace the product at our election or we may elect to refund the purchase
price if we cannot readily and quickly provide you with a replacement. We will return repaired products at our
expense, but if we determine there is no defect, or that the defect resulted from causes not within the scope of
our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
REV 10/06
For technical questions, please call 1-800-444-3353.
SKU 94076
Page 8
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