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SKU 47991

For technical questions, please call 1-800-444-3353.

SPECIFICATIONS

Power

  120 V~, 60 Hz, 10 A

Chuck Capacity   1/16” - 1/2”

Speed

  0 - 800 RPM No Load

Dimensions

  8-5/8” W x 15-3/4” L x 6-1/4” H

Power Cord

  6’ Long, 18 AWG

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.

Save This Manual

You will need the manual for the safety 

warnings and precautions, assembly instruc-

tions, operating and maintenance proce-

dures, parts list and diagram.  Keep your 

invoice with this manual.  Write the invoice 

number on the inside of the front cover.  

Keep the manual and invoice in a safe and 

dry place for future reference.

SAFETY WARNINGS AND 

PRECAUTIONS

WARNING: When using tool, basic safety 

precautions should always be followed to 

reduce the risk of personal injury and dam-

age to equipment.
Read all instructions before using this 

tool!

1. 

Keep work area clean.  

Cluttered 

areas invite injuries.

2. 

Observe work area conditions.  

Do 

not use machines or power tools in 

damp or wet locations.  Don’t expose 

to rain.  Keep work area well lighted.  

Do not use electrically powered tools 

in the presence of flammable gases or 

liquids.

3. 

Keep children away.  

Children must 

never be allowed in the work area.  Do 

not let them handle machines, tools, or 

extension cords.

4. 

Store idle equipment.  

When not 

in use, tools must be stored in a dry 

location to inhibit rust.  Always lock up 

tools and keep out of reach of children.

5. 

Use the right tool for the job.   

Do 

not attempt to force a small tool or 

attachment to do the work of a larger 

industrial tool.  There are certain 

applications for which this tool was 

designed.  It will do the job better and 

more safely at the rate for which it was 

intended.  Do not modify this tool and 

do not use this tool for a purpose for 

which it was not intended.

6. 

Dress properly.  

Do not wear loose 

clothing or jewelry as they can be 

caught in moving parts.  Protective, 

electrically non-conductive clothes and 

non-skid footwear are recommended 

when working.  Wear restrictive hair 

covering to contain long hair.

7. 

Use eye and ear protection.  

Always 

wear ANSI approved impact safety 

goggles and ear protection. Wear a 

full face shield if you are producing 

metal filings or wood chips. Wear an 

ANSI approved dust mask or respirator 

when working around metal, wood, and 

chemical dusts and mists.

8. 

Do not overreach.  

Keep proper 

footing and balance at all times. Do 

not reach over or across running 

machines.

9. 

Maintain tools with care.  

Keep tools 

sharp and clean for better and safer 

performance. Follow instructions for 

lubricating and changing accessories. 

Inspect tool cords periodically and, if 

damaged, have them repaired by an 

authorized technician. The handles 

must be kept clean, dry, and free from 

oil and grease at all times.

10. 

Disconnect power. 

Unplug tool when 

not in use.

Summary of Contents for 47991

Page 1: ...rved 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 Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For technical ques...

Page 2: ...extension cords 4 Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children 5 Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this tool was designed It will do the job better and more safely at...

Page 3: ... People with pacemakers should consult their physician s before use Electromagnetic fields in close proximity to heart pacemaker could cause pacemaker interference or pacemaker failure In addition people with pacemakers should Avoid operating alone Don t use with power switch locked on Properly maintain and inspect to avoid electrical shock Any power cord must be properly grounded Ground Fault Cir...

Page 4: ...on 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 UNPACKING When unpacking check to make sure the parts listed on page 6 are included If any parts are missing or broken please call Harbor Freight Tools at the number ...

Page 5: ...drilling position Use a lubricant to prolong the life of the bit and increase the drilling action with most metals With steel tin and sheet metal use a light machine oil with aluminum use paraffin Do not use lubricants with brass copper and cast iron Grasp the handles firmly with both hands and slowly squeeze the Trigger 34 Never operate the tool without the side handle Never force the tool Only a...

Page 6: ... Key 1 Note Chuck Key 41 not shown in Assembly Drawing PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS 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 RE...

Page 7: ...Page 7 SKU 47991 For technical questions please call 1 800 444 3353 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 ASSEMBLY DRAWING ...

Page 8: ...ncidental 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 ...

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