Chicago Electric 66876 Installation manual

18V CORDLESS
ANGLE GRINDER
66876
SET UP AND OPERATING INSTRUCTIONS
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright©2009 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
FreightTools. Diagramswithinthismanualmaynotbedrawnproportionally. Duetocontinuingimprovements,
actual product may differ slightly from the product described herein.
For technical questions or replacement parts, please call 1-800-444-3353.

SKU 66876 For technical questions, please call 1-800-444-3353. Page 2
CONTENTS
IMPORTANT SAFETY
INFORMATION............................3
GENERAL POWER TOOL
SAFETY WARNINGS.......................3
SAFETY WARNINGS COMMON
FOR GRINDING OPERATIONS ......5
KICKBACK AND RELATED
WARNINGS......................................8
SAFETY WARNINGS SPECIFIC
FOR GRINDING OPERATIONS ......9
VIBRATION SAFETY .........................9
GROUNDING...............................10
GROUNDED TOOLS: TOOLS
WITH THREE PRONG PLUGS .....10
DOUBLE INSULATED TOOLS:
TOOLS WITH TWO PRONG
PLUGS...........................................10
EXTENSION CORDS ....................... 11
SYMBOLOGY...................................11
SPECIFICATIONS........................ 12
UNPACKING................................12
COMPONENTS ................................12
INSTRUCTIONS FOR PUTTING
INTO USE ..................................12
ASSEMBLY.......................................13
OPERATING INSTRUCTIONS ....14
THE BATTERY .................................14
TOOL SET UP ..................................14
WORK PIECE AND WORK AREA
SET UP ..........................................16
GENERAL OPERATING
INSTRUCTIONS ............................16
MAINTENANCE AND
SERVICING ............................... 17
CLEANING, MAINTENANCE, AND
LUBRICATION...............................17
ACCESSORY STORAGE AND
HANDLING ....................................17
TROUBLESHOOTING......................18
PARTS LIST.................................19
ASSEMBLY DIAGRAM................ 20
LIMITED 90 DAY WARRANTY.... 21

SKU 66876 For technical questions, please call 1-800-444-3353. Page 3
SAVE THIS MANUAL
Keep this manual for the safety warn-
ings and precautions, assembly, operat-
ing, 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.
IMPORTANT SAFETY
INFORMATION
In this manual, on the labeling,
and all other information provid-
ed with this product:
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.
DANGER indicates
a hazardous
situation which, if not
avoided, will result in death or
serious injury.
WARNING
indicates a
hazardous situation which, if
not avoided, could result in
death or serious injury.
CAUTION, used
with the safety
alert symbol, indicates a
hazardous situation which, if
not avoided, could result in
minor or moderate injury.
NOTICE is used to
address practices
not related to personal injury.
CAUTION, without
the safety alert
symbol, is used to address
practices not related to
personal injury.
General Power Tool Safety
Warnings
WARNING Read all safety
warnings and instructions.
Failure to follow the warnings and
instructions may result in electric
shock, re and/or serious injury.
Save all warnings and
instructions for future reference.
The term ″power tool″ in the
warnings refers to your battery-
operated (cordless) power tool.
Work area safety1.
Keep work area clean and well lit.a.
Cluttered or dark areas invite acci-
dents.
Do not operate power tools inb.
explosive atmospheres, such as in
the presence of ammable liquids,
gases or dust. Power tools create
sparks which may ignite the dust or
fumes.
Keep children and bystandersc.away while operating a power tool.
Distractions can cause you to lose
control.
Electrical safety2.
Power tool plugs must match thea.
outlet. Never modify the plug in
any way. Do not use any adapter
plugs with grounded power tools.

SKU 66876 For technical questions, please call 1-800-444-3353. Page 4
Unmodied plugs and matching out-
lets will reduce risk of electric shock.
Avoid body contact with groundedb.
surfaces such as pipes, radiators,
ranges and refrigerators. There is
an increased risk of electric shock if
your body is grounded.
Do not expose power tools to rainc.or wet conditions. Water entering
a power tool will increase the risk of
electric shock.
Do not abuse the cord. Never used.
the cord for carrying, pulling or
unplugging the power tool or bat-
tery pack. Keep cord away from
heat, oil, sharp edges or moving
parts. Damaged or entangled cords
increase the risk of electric shock.
Personal safety3.
Stay alert, watch what you are do-a.
ing and use common sense when
operating a power tool. Do not use
a power tool while you are tired
or under the inuence of drugs,
alcohol or medication. A moment
of inattention while operating power
tools may result in serious personal
injury.
Use safety equipment. Alwaysb.
wear eye protection. Safety equip-
ment such as a dust mask, non-skid
safety shoes, hard hat, or hearing
protection used for appropriate condi-
tions will reduce personal injuries.
Prevent unintentional starting.c.Ensure the switch is in the off-po-
sition before connecting to power
source and/or battery pack, pick-
ing up or carrying the tool. Carry-
ing power tools with your nger on
the switch or energizing power tools
that have the switch on invites acci-
dents.
Remove any adjusting key ord.
wrench before turning the power
tool on. A wrench or a key left at-
tached to a rotating part of the power
tool may result in personal injury.
Do not overreach. Keep propere.
footing and balance at all times.
This enables better control of the
power tool in unexpected situations.
Dress properly. Do not wear loosef. clothing or jewelry. Keep your
hair, clothing and gloves away
from moving parts. Loose clothes,
jewelry or long hair can be caught in
moving parts.
If devices are provided for the con-g.
nection of dust extraction and col-
lection facilities, ensure these are
connected and properly used. Use
of these devices can reduce dust-
related hazards.
Only use safety equipment thath.
has been approved by an appropri-
ate standards agency. Unapproved
safety equipment may not provide
adequate protection. Eye protection
must be ANSI-approved and breath-
ing protection must be NIOSH-ap-
proved for the specic hazards in the
work area.
Power tool use and care4.
Do not force the power tool. Usea.
the correct power tool for your ap-
plication. The correct power tool will
do the job better and safer at the rate
for which it was designed.
Do not use the power tool if theb.
switch does not turn it on and off.
Any power tool that cannot be con-

SKU 66876 For technical questions, please call 1-800-444-3353. Page 5
trolled with the switch is dangerous
and must be repaired.
Disconnect the plug from thec.power source and/or the battery
pack from the power tool before
making any adjustments, chang-
ing accessories, or storing power
tools. Such preventive safety mea-
sures reduce the risk of starting the
power tool accidentally.
Store idle power tools out of thed.
reach of children and do not allow
persons unfamiliar with the power
tool or these instructions to oper-
ate the power tool. Power tools are
dangerous in the hands of untrained
users.
Maintain power tools. Check fore.
misalignment or binding of moving
parts, breakage of parts and any
other condition that may affect the
power tool’s operation. If dam-
aged, have the power tool repaired
before use. Many accidents are
caused by poorly maintained power
tools.
Use the power tool and acces-f. sories in accordance with these
instructions, taking into account
the working conditions and the
work to be performed. Use of the
power tool for operations different
from those intended could result in a
hazardous situation.
Battery tool use and care5.
Recharge only with the chargera.
specied by the manufacturer. A
charger that is suitable for one type of
battery pack may create a risk of re
when used with another battery pack.
Use power tools only with speci-b.
cally designated battery packs.
Use of any other battery packs may
create a risk of injury and re.
When battery pack is not in use,c.keep it away from other metal ob-
jects, like paper clips, coins, keys,
nails, screws or other small metal
objects, that can make a connec-
tion from one terminal to another.
Shorting the battery terminals togeth-
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Under abusive conditions, liquidd.
may be ejected from the battery;
avoid contact. If contact acciden-
tally occurs, ush with water. If
liquid contacts eyes, additionally
seek medical help. Liquid ejected
from the battery may cause irritation
or burns.
Service6.
Have your power tool serviced bya.
a qualied repair person using
only identical replacement parts.
This will ensure that the safety of the
power tool is maintained.
Safety Warnings Common for
Grinding Operations
This power tool is intended to1. function as a grinder. Read all
safety warnings, instructions, illus-
trations and specications pro-
vided with this power tool. Failure
to follow all instructions listed below
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or serious injury.
Operations such as abrasive cut-2. ting, sanding, wire brushing or
polishing are not recommended to
be performed with this power tool.
Operations for which the power tool
was not designed may create a haz-
ard and cause personal injury.