Bauer 2161CR-B Istruzioni per il montaggio
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Use 3.0 Amp Hour
Battery or Greater
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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.
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SAFETY OPERATION MAINTENANCESETUP
Table of Contents
Safety ......................................................... 2
Specifications ............................................ 10
Setup ......................................................... 11
Operation................................................... 13
Maintenance.............................................. 16
Parts List and Diagram.............................. 18
Warranty .................................................... 20
WARNING SYMBOLS AND DEFINITIONS
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that
follow this symbol to avoid possible injury or death.
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a hazardous situation 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.
Work Area Safety
1. Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
2. Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power tools
3. Keep children and bystanders
away while operating a power tool.
Distractions can cause you to lose control.
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SAFETYOPERATIONMAINTENANCE SETUP
Electrical Safety
Do not expose power tools to rain or wet conditions.
Personal Safety
1. Stay alert, watch what you are doing and
use common sense when operating a
power tool. Do not use a power tool while
you are tired or under the influence of
drugs, alcohol or medication. A moment
2. Use safety equipment. Always wear eye
protection.
dust mask, non-skid safety shoes, hard hat,
3. Prevent unintentional starting. Ensure
the switch/trigger is in the off-position
before connecting to power source and/
or battery pack, picking up or carrying the
tool.
have the switch on invites accidents.
4. Remove any adjusting key or wrench
before turning the power tool on.
5. Do not overreach. Keep proper footing and
balance at all times. This enables better control
6. Dress properly. Do not wear loose clothing or
jewelry. Keep your hair, clothing and gloves
away from moving parts. Loose clothes, jewelry
7. If devices are provided for the connection of
dust 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 in the work area.
Power Tool Use and Care
1. Do not force the power tool.
Use the correct power tool for your application.
safer at the rate for which it was designed.
2. Do not use the power tool if the switch/trigger
does not turn it on and off.
3. Disconnect the battery pack from the
power tool before making any adjustments,
changing accessories, or storing power
tools.
4. Store idle power tools out of the reach of
children and do not allow persons unfamiliar
with the power tool or these instructions
to operate the power tool. Power tools are
dangerous in the hands of untrained users.
5. Maintain power tools. Check for misalignment
or binding of moving parts, breakage of parts
and any other condition that may affect the
power tool’s operation. If damaged, have the
power tool repaired before use. Many accidents
6. Use the power tool, accessories and tool bits
etc. in accordance with these instructions,
taking into account the working conditions
and the work to be performed. Use of the
intended could result in a hazardous situation.
Page 4 For technical questions, please call 1-888-866-5797. Item 58308
SAFETY OPERATION MAINTENANCESETUP
Battery tool use and care
1. Recharge only with the charger specified by
the manufacturer. A charger that is suitable
2. Use power tools only with specifically
designated battery packs. Use of any other
3. When battery pack is not in use, keep it away
from other metal objects, like paper clips,
coins, keys, nails, screws or other small metal
objects, that can make a connection from
one terminal to another. Shorting the battery
terminals together may cause burns or a fire.
4. Under abusive conditions, liquid may be
ejected from the battery; avoid contact.
If contact accidentally occurs, flush with water.
If liquid contacts eyes, additionally seek
medical help. Liquid ejected from the
battery may cause irritation or burns.
Service
Have your power tool serviced by a qualified repair person using only identical replacement parts.
Safety Warnings Common for Grinding,
Sanding, or Wire Brushing Operations
1. This power tool is intended to function as
a grinder, sander, or wire brush. Read all
safety warnings, instructions, illustrations and
specifications provided with this power tool.
Failure to follow all instructions listed below may
result in electric shock, fire and/or serious injury.
2. Operations such as polishing or cutting-
off are not recommended to be performed
with this power tool. Operations for which
the power tool was not designed may create
a hazard and cause personal injury.
3. Do not use accessories which are not
specifically designed and recommended
by the tool manufacturer. Just because the
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
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 arbor size of wheels, flanges, backing
pads or any other accessory must properly
fit the spindle of the power tool. Accessories
with arbor holes that do not match the mounting
7. Do not use a damaged accessory.
Before each use inspect the accessory such
as abrasive wheels for chips and cracks,
,
wire brush for loose or cracked wires. If power
tool or accessory is dropped, inspect for
damage or install an undamaged accessory.
After inspecting and installing an accessory,
position yourself and bystanders away from
the plane of the rotating accessory and run
the power tool at maximum no-load speed
for one minute. Damaged accessories will
8. Wear personal protective equipment. Depending
on application, use face shield, safety goggles
or safety glasses. As appropriate, wear dust
mask, hearing protectors, gloves and workshop
apron capable of stopping small abrasive or
workpiece fragments. The eye protection must
be capable of stopping flying debris generated
by various operations.
intensity noise may cause hearing loss.
9. Keep bystanders a safe distance away
from work area. Anyone entering the
work area must wear personal protective
equipment.
broken accessory may fly away and cause
Page 5For technical questions, please call 1-888-866-5797.Item 58308
SAFETYOPERATIONMAINTENANCE SETUP
10. Hold power tool by insulated gripping surfaces
only, when performing an operation where
the accessory may contact hidden wiring
or its own cord. An accessory contacting a
11. Never lay the power tool down until the
accessory has come to a complete stop.
12. Do not run the power tool while carrying
it at your side. Accidental contact with the
13. Regularly clean the power tool’s air vents.
The motor’s fan will draw the dust inside
14. Do not operate the power tool near flammable
materials.
15. Do not use accessories that require liquid
coolants. Using water or other liquid coolants
may result in electrocution or shock.
16. Maintain labels and nameplates on the tool.
These carry important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
17. Avoid unintentional starting.
Prepare to begin work before turning on the tool.
18. Do not depress the spindle lock when
starting or during operation.
19. Do not leave the 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 build up
to unsafe levels and create a fire
hazard if it does not receive adequate
ventilation, due to an electrical fault, or if it is used
in a hot environment.
Do not place the charger on a flammable surface.
Do not obstruct any vents on the charger.
Especially avoid placing the charger on carpets
and rugs; they are not only flammable, but
they also obstruct vents under the charger.
22. This product is not a toy.
Keep it out of reach of children.
23. 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.
• Do not use with power switch locked on.
• Properly maintain and inspect
to avoid electrical shock.
• Properly ground power cord. Ground Fault Circuit
Interrupter (GFCI) should also be implemented
– it prevents sustained electrical shock.
24. The warnings, precautions, 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.
Page 6 For technical questions, please call 1-888-866-5797. Item 58308
SAFETY OPERATION MAINTENANCESETUP
Kickback and Related Warnings
Kickback is a sudden reaction to a pinched or
snagged rotating wheel, backing pad, brush
or any other accessory. Pinching or snagging
causes rapid stalling of the rotating accessory
which in turn causes the uncontrolled power
tool to be forced in the direction opposite of the
accessory’s rotation at the point of the binding.
For example, if an abrasive wheel is snagged or
pinched by the workpiece, the edge of the wheel that
is entering into the pinch point can dig into the surface
of the material causing the wheel to climb out or kick
out. The wheel may either jump toward or away from
the operator, depending on direction of the wheel’s
movement at the point of pinching. Abrasive wheels
may also break under these conditions.
Kickback is the result of power tool misuse and/or
incorrect operating procedures or conditions and can be
avoided by taking proper precautions as given below.
1. Maintain a firm grip on the power tool and
position your body and arm to allow you to
resist kickback forces. Always use auxiliary
handle, if provided, for maximum control over
kickback or torque reaction during start-up.
2. Never place your hand near the
rotating accessory. Accessory may
kickback over your hand.
3. Do not position your body in the area where
power tool will move if kickback occurs.
4. Use special care when working corners, sharp
edges etc. Avoid bouncing and snagging the
accessory.
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
create frequent kickback and loss of control.
Safety Warnings Specific for Grinding
1. Use only wheel types that are recommended
for your power tool and the specific
guard designed for the selected wheel.
cannot be adequately guarded and are unsafe.
2. The guard must be securely attached
to the power tool and positioned for
maximum safety, so the least amount of
wheel is exposed towards the operator.
wheel fragments and accidental contact with wheel.
3. Wheels must be used only for recommended
applications. For example: do not grind with
the side of wheel. Grinding wheels are intended
these wheels may cause them to shatter.
4. Always use undamaged wheel flanges that are
of correct size and shape for your selected
wheel.
5. Do not use worn down wheels from larger
power tools. Wheel intended for larger
6. Dress appropriately. Wear leather
leggings and fire resistant footwear during
Page 7For technical questions, please call 1-888-866-5797.Item 58308
SAFETYOPERATIONMAINTENANCE SETUP
Safety Warnings Specific for Sanding Operations
Do not use excessively oversized sanding disc paper. Follow manufacturer’s recommendations
when selecting sanding paper.
Safety Warnings Specific for Wire Brushing Operations
1. Be aware that wire bristles are thrown by
the brush even during ordinary operation.
Do not overstress the wires by applying
excessive load to the brush. The wire bristles
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.
due to work load and centrifugal forces.
Lithium Battery Safety Warnings
LITHIUM BATTERIES STORE A
LARGE AMOUNT OF ENERGY
AND WILL VENT FIRE OR
EXPLODE IF MISTREATED:
1. Keep Battery Pack dry.
2. DO NOT DO ANY OF THE FOLLOWING
TO THE BATTERY PACK:
a. Open,
b. Drop,
c. Short-circuit,
d. Puncture,
e. Incinerate, or
f. Expose to temperatures greater than 265°F.
3. Charge Battery Pack only according
to its Charger’s instructions.
4. Inspect Battery Pack before every use;
do not use or charge if damaged.
Page 8 For technical questions, please call 1-888-866-5797. Item 58308
SAFETY OPERATION MAINTENANCESETUP
Vibration Safety
This tool vibrates during use. Repeated or
long-term exposure to vibration may cause
temporary or permanent physical injury,
particularly to the hands, arms and shoulders. To
reduce the risk of vibration-related injury:
1. Anyone using vibrating tools regularly or for an
extended period should first be examined by a
doctor and then have regular medical check-ups
to ensure medical problems are not being caused
or worsened from use. Pregnant women or
people who have impaired blood circulation to
the hand, past hand 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 gloves to reduce the
vibration effects on the user.
4. Use tools with the lowest vibration when there
is a choice between different processes.
5. Include vibration-free periods each day of work.
6. Grip tool as lightly as possible (while still keeping
safe control of it). Let the tool do the work.
7. To reduce vibration, maintain the tool as
explained in this manual. If any abnormal
vibration occurs, stop use immediately.
SAVE THESE INSTRUCTIONS.
Page 9For technical questions, please call 1-888-866-5797.Item 58308
SAFETYOPERATIONMAINTENANCE SETUP
Grounding
TO PREVENT ELECTRIC SHOCK AND DEATH FROM
INCORRECT GROUNDING WIRE CONNECTION:
Check with a qualified electrician if you are in doubt as to whether the outlet is properly
grounded. Do not modify the power cord plug provided with the tool. Never remove the
grounding prong from the plug. Do not use the tool if the power cord or plug is damaged. If damaged,
have it repaired by a service facility before use. If the plug will not fit the outlet, have a proper outlet
installed by a qualified electrician.
Extension Cords
Note: Extension cords must not be used with this item’s Charger.
Symbology
Double Insulated
VVolts
~Alternating Current
AAmperes
n0xxxx/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 hazards in your work area.
Read the manual before
set-up and/or use.
WARNING marking
concerning Risk of Fire.
Do not cover Charger
ventilation ducts.
Charge on fireproof surface only.
WARNING marking concerning
Risk of Electric Shock.
Properly connect Charger’s power
cord to appropriate outlet.
WARNING marking concerning
Risk of Explosion.
Do not puncture, short, or open
battery packs and do not charge
damaged battery packs.
Page 10 For technical questions, please call 1-888-866-5797. Item 58308
SAFETY OPERATION MAINTENANCESETUP
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)
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