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Visit our website at: http://www.harborfreight.com

Email our technical support at: [email protected]

For Best Results, 

Use 3.0 Amp Hour 

Battery or Greater

(Sold Separately)

For Best Results, 

Use 3.0 Amp Hour 

Battery or Greater

(Sold Separately)

Owner’s Manual & Safety Instructions

Save This Manual

Keep this manual for the safety warnings and precautions, assembly, 

operating, inspection, maintenance and cleaning procedures.  Write the product’s serial number in the 

back of the manual near the assembly diagram (or month and year of purchase if product has no number). 

Keep this manual and the receipt in a safe and dry place for future reference.

 

21i

When unpacking, make sure that the product is intact 

and undamaged.  If any parts are missing or broken, 

please call 1-888-866-5797 as soon as possible.

Copyright

©

 2021 by Harbor Freight Tools

®

.  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.  

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.

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

Summary of Contents for 2161CR-B

Page 1: ...p this manual and the receipt in a safe and dry place for future reference 21i When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2021 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the expre...

Page 2: ...tion which if not avoided could result in minor or moderate injury Addresses practices not related to personal injury IMPORTANT SAFETY INFORMATION General Power Tool Safety Warnings Read all safety warnings and instructions Failure to follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings and instructions for future reference 7KH WHUP ƎSRZHU ...

Page 3: ...ust extraction and collection facilities ensure these are connected and properly used Use of these devices can reduce dust related hazards 8 Only use safety equipment that has been approved by an appropriate standards agency Unapproved safety equipment may not provide adequate protection Eye protection must be ANSI approved and breathing protection must be NIOSH approved for the specific hazards i...

Page 4: ...W GRHV QRW DVVXUH VDIH RSHUDWLRQ 4 The rated speed of the accessory must be at least equal to the maximum speed marked on the power tool Accessories running faster than WKHLU 5 7 63 FDQ EUHDN DQG IO DSDUW 5 The outside diameter and the thickness of your accessory must be within the capacity rating of your power tool Incorrectly sized accessories cannot be adequately guarded or controlled 6 The arb...

Page 5: ...tool unattended when the Battery Pack is connected Turn off the tool and remove the Battery Pack before leaving 20 Use clamps not included or other practical ways to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control and personal injury 21 The battery charger gets hot during use The charger s heat can buil...

Page 6: ...occurs LFNEDFN ZLOO SURSHO WKH WRRO LQ GLUHFWLRQ RSSRVLWH WR WKH ZKHHO V PRYHPHQW DW WKH SRLQW RI VQDJJLQJ 4 Use special care when working corners sharp edges etc Avoid bouncing and snagging the accessory RUQHUV VKDUS HGJHV RU ERXQFLQJ have a tendency to snag the rotating accessory and cause loss of control or kickback 5 Do not attach a saw chain woodcarving blade or toothed saw blade Such blades ...

Page 7: ...the wires by applying excessive load to the brush The wire bristles FDQ HDVLO SHQHWUDWH OLJKW FORWKLQJ DQG RU VNLQ 2 If the use of a guard is recommended for wire brushing do not allow any interference of the wire wheel or brush with the guard LUH ZKHHO RU EUXVK PD H SDQG LQ GLDPHWHU due to work load and centrifugal forces Lithium Battery Safety Warnings LITHIUM BATTERIES STORE A LARGE AMOUNT OF E...

Page 8: ...d injuries nervous system disorders diabetes or Raynaud s Disease should not use this tool If you feel any medical or physical symptoms related to vibration such as tingling numbness and white or blue fingers seek medical advice as soon as possible 2 Do not smoke during use Nicotine reduces the blood supply to the hands and fingers increasing the risk of vibration related injury 3 Wear suitable gl...

Page 9: ...ension Cords Note Extension cords must not be used with this item s Charger Symbology Double Insulated V Volts Alternating Current A Amperes n0 xxxx min No Load Revolutions per Minute RPM WARNING marking concerning Risk of Eye Injury Wear ANSI approved safety goggles with side shields WARNING marking concerning Risk of Respiratory Injury Wear NIOSH approved breathing protection rated for the hazar...

Page 10: ... 1 888 866 5797 Item 58308 SAFETY OPERATION MAINTENANCE SETUP Specifications Battery Type Bauer 20V Li Ion Battery Pack 64816 Charger Type Bauer 20V Li Ion Charger 57006 No Load Speed n0 10 500 min Spindle Thread 5 8 11 UNC Capacity 4 1 2 115mm ...

Page 11: ...f this product TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Make sure that the Power Switch Trigger is in the off position and remove its Battery Pack before performing any procedure in this section Note For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Components Wheel sold separately Wheel Guard Side Hand...

Page 12: ... Wheel Guard 6 Check the Wheel Guard to ensure it is firmly in place Adjust if necessary before proceeding Disc Flange Wheel Guard Spindle Spindle Lock Button Figure A Guard Installation Installing Side Handle TO PREVENT SERIOUS INJURY Do not operate this tool with one hand only or without the Auxiliary Handle properly installed 1 The Side Handle can be installed on the left or right side of the g...

Page 13: ...e The Clamp Nut has a step for improved stability with thick accessories Keep this step on the inside for thick accessories To allow proper clamping for thin accessories flip Clamp Nut so this step is on the outside 7 Depress the Spindle Lock Button and rotate the wheel clockwise until the Spindle locks in position 8 Tighten the Clamp Nut with a wrench Tighten only enough so that the wheel is secu...

Page 14: ...nd Wire Brushing Instructions TO PREVENT SERIOUS INJURY Grip the tool firmly in both hands 1 Make sure that the Switch Trigger is in the off position then attach Battery Pack 2 Press the back of the Switch Trigger down and then push it forward to start the tool To turn the tool off release the Switch Trigger 3 To lock the tool in the on position press the back of the Switch Trigger down and then p...

Page 15: ...witch Trigger 5 To lock the tool in the on position press the back of the Switch Trigger down and then push it forward Then press the front end of the Switch Trigger down To release the lock press the back of the Switch Trigger 6 Allow the tool to come up to full speed before touching the work material then gently contact the surface 7 Keep heavy pressure off of the tool when operating Allow the t...

Page 16: ...ssed air 4 Always check Wheel Guard for damage before use Replace Wheel Guard if damaged 5 Disconnect battery pack and store battery pack charger and tool in dry indoor area out of reach of children and away from metal objects i e paperclips coins to prevent shorting Replacing Wheel Guard 1 Depress the Spindle Lock Button and rotate the Clamp Nut until the Spindle Locks 2 Loosen and remove Clamp N...

Page 17: ...k power low 3 Battery Pack worn 1 Decrease pressure allow tool to do the work 2 Recharge Battery Pack 3 Dispose of old Battery Pack properly or recycle Replace Battery Pack Performance decreases over time Battery Pack wearing out Battery Pack capacity will gradually decrease through use If symptoms are severe recycle old Battery Pack or dispose of properly and replace it Excessive noise or rattlin...

Page 18: ...Right Housing 1 45 Screw ST4 2X14 6 46 Warning Label 1 47 Wrench 1 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURERAND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUALASAREFERENCE 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 QUALIFI...

Page 19: ...Page 19 For technical questions please call 1 888 866 5797 Item 58308 SAFETY OPERATION MAINTENANCE SETUP Assembly Diagram ...

Page 20: ...lusion 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 expl...

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