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Black & Decker (U.S.) Inc. • 701 East Joppa Road, Towson, Maryland 21286
Printed in U.S.A. (JAN96-CD-1) Form No. 154559 Copyright © 1996
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Instruction Manual
2750-220
4-1/2" Small Angle Grinder
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Getting the most out of your tool.

Please take time to read this manual and pay particular attention to the safety
FOR YOUR SAFETY - ALL TOOLS
rules we’ve provided for your protection. Don’t forget to send in your owner’s WARNING: When using electric tools, basic safety precautions should a
registration card. If you have any questions about your tool please call: be followed to reduce risk of fire, electric shock, and personal injury, inc
the following:
1-800-9-BD TOOL READ ALL INSTRUCTIONS
(1-800-923-8665)
Double Insulation
AUXILIARY HANDLE Double insulated tools are constructed throughout with two separate
of electrical insulation or one double thickness of insulation betwee
SPINDLE and the tool’s electrical system. Tools built with this insulation syste
LOCK not intended to be grounded. As a result, your tool is equipped with
BUTTON prong plug which permits you to use extension cords without conce
maintaining a ground connection.
NOTE: Double insulation does not take the place of normal s
SWITCH LOCK precautions when operating this tool. The insulation system is for a
BUTTON protection against injury resulting from a possible electrical insu
PADDLE PADDLE failure within the tool.
LOCK-OFF SWITCH
LEVER CAUTION: WHEN SERVICING USE ONLY IDENTICAL REPLACEM
PARTS. Repair or replace damaged cords.
GUARD
GRINDING WHEEL

2750-220 4-1/2" Angle Grinder with 220 volt plug

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• DISCONNECT OR LOCK OFF TOOLS when not in use, before servicin

Safety Instructions For All Tools when changing accessories, such as blades, bits, cutters.
• KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries.
• REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of check
• CONSIDER WORK AREA ENVIRONMENT. Don’t expose power tools to rain. see that keys and adjusting wrenches are removed from tool before tu
Don’t use power tools in damp or wet locations. Keep work area well lit. Do it on.
not use tool in presence of flammable liquids or gases.
• AVOID UNINTENTIONAL STARTING. Don’t carry tool with finger on s
• GUARD AGAINST ELECTRIC SHOCK. Prevent body contact with grounded Be sure switch is off when plugging in.
surfaces. For example; pipes, radiators, ranges, and refrigerator enclosures.
• EXTENSION CORDS. Make sure your extension cord is in good con
• KEEP CHILDREN AWAY. Do not let visitors contact tool or extension cord. When using an extension cord, be sure to use one heavy enough to
All visitors should be kept away from work area. the current your product will draw. An undersized cord will cause a d
• STORE IDLE TOOLS. When not in use, tools should be stored in dry, and line voltage resulting in loss of power and overheating. The following
high or locked-up place — out of reach of children. shows the correct size to use depending on cord length and nam
• DON’T FORCE TOOL. It will do the job better and safer at the rate for which ampere rating. If in doubt, use the next heavier gage. The smaller the
it was intended. number, the heavier the cord.
• USE RIGHT TOOL. Don’t force small tool or attachment to do the job of a • OUTDOOR USE EXTENSION CORDS. When tool is used outdoors, us
heavy-duty tool. Don’t use tool for purpose not intended. extension cords intended for use outdoors and so marked.
• DRESS PROPERLY. Do not wear loose clothing or jewelry. They can be Minimum Gage for Cord Sets
caught in moving parts. Rubber gloves and non-skid footwear are Volts Total Length of Cord in Feet
120V 0-25 26-50 51-100 101-150
recommended when working outdoors. Wear protective hair covering to
240V 0-50 51-100 101-200 201-300
contain long hair. Ampere Rating
• USE SAFETY GLASSES. Also use face or dust mask if operation is dusty. More Not more American Wire Gage
• DON’T ABUSE CORD. Never carry tool by cord or yank it to disconnect from Than Than
0 - 6 18 16 16 14
receptacle. Keep cord from heat, oil, and sharp edges.
6 - 10 18 16 14 12
• SECURE WORK. Use clamps or a vise to hold work. It’s safer than using 10 - 12 16 16 14 12
your hand and it frees both hands to operate tool. 12 - 16 14 12 Not Recommended
• DON’T OVERREACH. Keep proper footing and balance at all times.
• 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 repaired
by authorized service facility. Inspect extension cords periodically and
replace if damaged. Keep handles dry, clean, and free from oil and grease.
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• STAY ALERT. Watch what you are doing. Use common sense. Do not
operate tool when you are tired.
ADDITIONAL SAFETY INSTRUCTION
• CHECK DAMAGED PARTS. Before further use of the tool, a guard or other • ALWAYS WEAR EYE PROTECTION.
part that is damaged should be carefully checked to determine that it will • KEEP GUARDS IN PLACE.
operate properly and perform its intended function. Check for alignment of • Use only grinding wheels having a maximum operating speed at leas
moving parts, binding of moving parts, breakage of parts, mounting, and as “No Load RPM” marked on the tool’s nameplate.
any other conditions that may affect its operation. A guard or other part that
• Before using, inspect recommended accessory for cracks or flaws. If s
is damaged should be properly repaired or replaced by an authorized service
crack or flaw is evident, discard the accessory. The accessory shoul
center unless otherwise indicated elsewhere in this instruction manual. Have
be inspected whenever you think the tool may have been dropped.
defective switches replaced by authorized service center. Do not use tool if
switch does not turn it on and off. • When starting the tool (with a new or replacement wheel installed) ho
tool in a well protected area and let it run for one minute. If the wheel h
undetected crack or flaw, it should burst in less than one minute. Neve
the tool with a person in line with the wheel. This includes the operator
• In operation, avoid bouncing the wheel or giving it rough treatment.
occurs, stop the tool and inspect the wheel.
• Always use guards with depressed center wheels or flaring cup gr
wheels.
• Clean your tool out periodically.
• CAUTION: Some wood contains preservatives such as copper chro
arsenate (CCA) which can be toxic. When sanding these materials extr
should be taken to avoid inhalation and minimize skin contact.

SAVE THESE INSTRUCTIONS

FOR FUTURE USE

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Auxiliary Handle TOOL OPERATION

An auxiliary handle is furnished with your grinder and can be installed on
either side of the front housing. THIS HANDLE SHOULD BE USED AT ALL Paddle Switch
TIMES to maintain complete control of the tool.
To start the grinder, slide the lock off lever to
the rear of the tool while you are depressing
it at the same time. To turn the tool off,
release the paddle. The switch can be locked
SPINDLE LOCK on by engaging the lock button located near
Figure 1
BUTTON the rear of the tool while holding the paddle
depressed. Always be sure that the tool is
not locked on before plugging it in. To turn SWITCH PADDLE
the tool off when it is locked on, squeeze LOCK SWITCH
and release the paddle once. BUTTON
AUXILIARY HANDLE CAN BE
INSTALLED IN ONE OF Spindle Lock Button
THREE POSITIONS.
Turn off and unplug grinder. In order to prevent the spindle of the too
rotating while installing or removing accessories, a spindle lock butto
been provided in the gear head of the machine, as shown in Figure 1. De
spindle lock button and rotate the spindle until the lock pin engages to
the spindle. NEVER DEPRESS THE LOCK BUTTON WITH THE T
RUNNING OR COASTING.

Sanding With Abrasive Discs (Figure 3)

To install sanding discs:
1. TURN OFF TOOL AND DISCONNECT FROM POWER SUPPLY.
2. Push the hub of the disc nut through the center of the sanding di
far as it will go, and also through the backing disc.
3. Put the assembled discs on the tool spindle and engage the dis
into the disc nut hub.
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4. Thread the assembly clockwise, completely down on the spindle. To remove disc:
5. Engage the lock button to lock the spindle in place. 1. Engage spindle lock button to lock the spindle in place.
When using a sanding disc, hold the tool at an angle of 10°-15° to the work 2. Using a cloth or glove to protect your hand, turn disc asse
as shown in Figure 4. If only the outer edge of the sanding disc is used, a counterclockwise to remove it from the tool spindle.
rough cut surface will result. If the sanding disc is pressed flat against the
work, the surface will be irregular and bumpy, and the tool will be difficult Depressed-Center Wheels
to control. Depressed center wheels may be used
Figure 3 Figure 4 for moderate metal removal on flat or
contoured surfaces (see Figure 5).

CAUTION: Never use depressed center

wheels without the proper guard. SPIND

To install depressed center wheels: RAISED PORTION OF FLANG

WRONG TOWARD SPINDLE
1. TURN OFF TOOL AND DISCONNECT
FROM POWER SUPPLY.
2. Be sure the guard assembly is BACKING FL
RAISED
securely attached to the spindle PORTION OF
DISC NUT HUB
housing. Position guard so that the WHEEL
open part of the guard is facing TOWARD
away from the operator. FLANGE

WRONG 3. Put the backing flange onto the tool

BACKING DISC
spindle. DEPRESSED CENTER W
RAISED
4. Check rated speed on depressed SHOULDER
center wheel. Never use wheel with TOWARD WHEEL
RIGHT rated speed lower than the speed in
SANDING DISC
the “WARNING” statement on the
10˚ TO 15˚
nameplate of the tool. WRENCH
DISC NUT
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5. Place the depressed center wheel on the tool spindle. NOTE: Only those dust masks suitable for working with lead pain
and fumes should be used. Ordinary painting masks do not offe
6. Thread the clamp washer on tool spindle, hold the tool spindle by
engaging the lock button, and tighten clamp washer with wrench. protection. See your local hardware dealer for the proper N.I.O
approved mask.
When using a depressed center wheel, hold the tool so that an angle of
c. NO EATING, DRINKING or SMOKING should be done in the work
approximately 30° exists between the wheel and the work.
to prevent ingesting contaminated paint particles. Workers should
and clean up BEFORE eating, drinking or smoking. Articles of
Wire Brushing
drink, or smoking should not be left in the work area where dust w
Common applications for wire cup brushes include cleaning welds, angles, settle on them.
corners and removal of paint.
ENVIRONMENTAL SAFETY
1. Disconnect tool from power source. Rest grinder on its back with
spindle facing up. a. Paint should be removed in such a manner as to minimize the am
of dust generated.
2. Ensure that the rated speed of the wire brush is equal to or higher than
the rated speed of the grinder found on the nameplate. b. Areas where paint removal is occurring should be sealed with p
sheeting of 4 mils thickness.
3. Thread wire cup brush onto spindle and tighten.
c. Sanding should be done in a manner to reduce tracking of paint
4. Always wear eye protection and appropriate protective clothing.
outside the work area.
Precautions To Take When Sanding Paint CLEANING AND DISPOSAL
1. Sanding of lead based paint is NOT RECOMMENDED due to the a. All surfaces in the work area should be vacuumed and thoro
difficulty of controlling the contaminated dust. The greatest danger of cleaned daily for the duration of the sanding project. Vacuum filter
lead poisoning is to children and pregnant women. should be changed frequently.
2. Since it is difficult to identify whether or not a paint contains lead b. Plastic drop cloths should be gathered up and disposed of along
without a chemical analysis, we recommend the following precautions any dust chips or other removal debris. They should be placed in s
when sanding any paint: refuse receptacles and disposed of through regular trash pi
procedures.
PERSONAL SAFETY
During clean up, children and pregnant women should be kept
a. No children or pregnant women should enter the work area where the
from the immediate work area.
paint sanding is being done until all clean up is completed.
c. All toys, washable furniture and utensils used by children shou
b. A dust mask or respirator should be worn by all persons entering the
washed thoroughly before being used again.
work area. The filter should be replaced daily or whenever the wearer
has difficulty breathing.
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MAINTENANCE ACCESSORIES
Cleaning NOTE: Use accessories recommended per chart below:
Blowing dust and grit out of the motor housing using compressed air is a neces-
sary regular maintenance procedure. Dust and grit containing metal particles Accessory Type Notes Usage
often accumulate on interior surfaces and could create an electrical shock hazard Use guard supplied Use for moderate m
DEPRESSED CENTER with Tool and masonry remo
if not frequently cleaned out. ALWAYS WEAR SAFETY GLASSES. WHEEL on flat or contour
CAUTION: Never use solvents or other harsh chemicals for cleaning the non- surfaces
metallic parts of the tool. Use clean, dry rag only. Use for smoothing w
SANDING DISCS
and sharp edges, a
Lubrication automotive body p

B&D tools are properly lubricated at the factory and are ready for use. Tools MAX- 4" KNOTTED WHEEL Use for rust remova
WIRE CUP
MAX- 2-3/4" CUP WHEEL surface preparatio
should be relubricated regularly every sixty days to six months, depending BRUSHES
before painting
on usage. (Tools used constantly on production or heavy-duty jobs and
tools exposed to heat may require more frequent lubrication.) This lubrica-
Depressed center grinding wheels must fit within the confines of the
tion should only be attempted by trained power tool repairpersons, such as
and must be rated higher than the recommended speed as marked o
those at B&D service centers or in other qualified service organizations.
nameplate.
Motor Brushes CAUTION: Strands of wire cup brushes may break and fly off while in
Your tool is equipped with the B&D CHECKPOINT™ system. When the Users and others in the area should wear adequate eye, face and
brushes become worn out, the tool will automatically stop and prevent dam- protection. Use only wire cup brushes that are rated at or greater tha
age to the motor. Brush replacement should be performed by B&D autho- RPM shown on the tool’s nameplate.
rized service centers.
WARNING: To reduce the risk of injury, always use proper guards
IMPORTANT! grinding and wear eye protection.
To assure product safety and reliability, particularly for double insulated
tools, repairs, maintenance and adjustment (excluding maintenance
described in this manual) should be performed by B&D service centers or
authorized service centers, using identical B&D replacement parts.
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CAUTION: The use of any non-recommended accessory may be hazardous.

Recommended accessories for use with your tool are available at extra cost Every B&D tool is of the highest quality.
from your distributor or local service center. A complete listing of service If you wish to contact us regarding this product, please call t
centers is included with your tool. free between 8:00am and 8:00pm ET, seven days a week:
If you need any assistance in locating any accessory call: 1-800-9-BD TOOL
(1-800-923-8665) or contact Black & Decker (U.S.) Inc., Consumer
1-800-9-BD TOOL
Services Department, 626 Hanover Pike, P.O. Box 618, Hampstead, MD (1-800-923-8665)
21074.
One Year Free Maintenance
All B&D tools for Industry and Construction are covered under a one
free maintenance program where B&D will inspect your tool for safet
provide necessary maintenance or repairs, including normal wear and
parts, for one year, FREE OF CHARGE.

Full Warranty
All B&D tools for Industry and Construction are warranted to be free o
defects in materials or workmanship. Upon thorough examination of
B&D will repair or replace, at our option, any product that is determin
be defective.

Conditions
The service/safety check and the warranty do not apply to: repairs ma
attempted by anyone other than an authorized B&D service location; m
abuse, neglect, improper application of the tool; missing parts; or n
wear and tear (after first year of ownership). Please return the complete
transportation prepaid, to any B&D factory owned or B&D autho
service center location (list provided with tool or see yellow pages
“Tools Electric”).