Chicago Electric Cordless Drill 66127 User Manual

19.2V 3/8” cordless  
drill/driVer  
66127  
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 2008 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.  
For technical questions or replacement parts, please call 1-800-444-3353.  
 
2. personal safety  
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 specific hazards in the  
work area.  
a.stay alert, watch what you are do-  
ing 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  
of inattention while operating power  
tools may result in serious personal  
injury.  
3. power tool use and care  
a.do not force the power tool. use  
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.  
b.use personal protective equip-  
ment. always wear eye protection.  
Safety equipment such as dust mask,  
non-skid safety shoes, hard hat, or  
hearing protection used for appropri-  
ate conditions will reduce personal  
injuries.  
b.do not use the power tool if the  
switch does not turn it on and off.  
Any power tool that cannot be con-  
trolled with the switch is dangerous  
and must be repaired.  
c.prevent unintentional starting.  
ensure the switch is in the off-  
position before connecting battery  
pack, picking up or carrying the  
tool. Carrying power tools with your  
finger on the switch or energizing  
power tools that have the switch on  
invites accidents.  
c.disconnect the battery pack from  
the power tool before making any  
adjustments, changing accesso-  
ries, or storing power tools. Such  
preventive safety measures reduce  
the risk of starting the power tool ac-  
cidentally.  
d.do not overreach. Keep proper  
footing and balance at all times.  
This enables better control of the  
power tool in unexpected situations.  
d.store idle power tools out of the  
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.  
e.dress properly. do not wear loose  
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.  
e.maintain power tools. check for  
misalignment or binding of moving  
parts, breakage of parts and any  
other condition that may affect the  
power tools operation. if dam-  
aged, have the power tool repaired  
before use. Many accidents are  
caused by poorly maintained power  
tools.  
f. if devices are provided for the con-  
nection of dust extraction and col-  
lection facilities, ensure these are  
connected and properly used. Use  
of these devices can reduce dust-  
related hazards.  
g.only use safety equipment that  
has been approved by an appropri-  
SKU 66127  
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Page 3  
 
f. use the power tool and tool bits  
in accordance with these instruc-  
tions, 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 haz-  
ardous situation.  
tool performance is decreasing.  
When tool performance begins to  
diminish, stop the tool, recharge the  
Battery Pack, and use the fresh Bat-  
tery Pack for optimal performance.  
5. service  
a.Have your power tool serviced by  
a qualified repair person using  
only identical replacement parts.  
This will ensure that the safety of the  
power tool is maintained.  
4. Battery tool use and care  
a.recharge only with the charger  
specified by the manufacturer. A  
charger that is suitable for one type of  
battery pack may create a risk of fire  
when used with another battery pack.  
drill safety Warnings  
1. Hold power tools by insulated grip-  
ping surfaces when performing an  
operation where the cutting tool  
may contact hidden wiring or its  
own cord. Contact with a ″live″ wire  
will make exposed metal parts of the  
tool ″live″ and shock the operator.  
b.Use power tools only with specifi-  
cally designated battery packs.  
Use of any other battery packs may  
create a risk of injury and fire.  
c.When battery pack is not in use,  
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-  
er may cause burns or a fire.  
2. Maintain labels and nameplates on  
the tool. These carry important safety  
information. If unreadable or miss-  
ing, contact Harbor Freight Tools for a  
replacement.  
d.under abusive conditions, liquid  
may be ejected from the battery;  
avoid contact. if contact acciden-  
tally occurs, flush with water. If  
liquid contacts eyes, additionally  
seek medical help. Liquid ejected  
from the battery may cause irritation  
or burns.  
3. Avoid unintentional starting. Prepare  
to begin work before turning on the  
tool.  
4. Do not lay the tool down until it has  
come to a complete stop. Moving  
parts can grab the surface and pull  
the tool out of your control.  
5. When using a handheld power tool,  
maintain a firm grip on the tool with  
both hands to resist starting torque.  
e.always switch to a fresh Battery  
pack when tool performance be-  
gins to diminish. Severe heat is de-  
structive to a Battery Pack. The more  
heat generated, the faster the Battery  
Pack loses power. A Battery Pack  
that gets too hot can be permanently  
damaged. Never over-discharge a  
Battery Pack by using the tool while  
6. Do not leave the tool unattended  
when it is plugged into an electrical  
outlet. Turn off the tool, and unplug it  
from its electrical outlet before leav-  
ing.  
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Page 4  
 
10. Some dust created by power sand-  
ing, sawing, grinding, drilling, and  
other construction activities, contains  
chemicals known [to the State of Cali-  
fornia] to cause cancer, birth defects  
or other reproductive harm. Some  
examples of these chemicals are:  
• Lead from lead-based paints  
7.  
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.  
• Crystalline silica from bricks and ce-  
ment or other masonry products  
• Arsenic and chromium from chemi-  
cally treated lumber  
Do not place the charger on a flam-  
mable surface. Do not obstruct any  
vents on the charger. especially  
avoid placing the charger on car-  
pets and rugs; they are not only  
flammable, but they also obstruct  
vents under the charger.  
Place the charger on a stable, solid,  
nonflammable surface (such as a  
stable metal workbench or concrete  
floor) at least 1 foot away from all  
flammable objects, such as drapes or  
walls. Keep a fire extinguisher and a  
smoke detector in the area. Fre-  
quently monitor the charger and  
battery during use.  
Your risk from these exposures var-  
ies, depending on how often you do  
this type of work. To reduce your  
exposure to these chemicals: work in  
a well ventilated area, and work with  
approved safety equipment, such as  
those dust masks that are specially  
designed to filter out microscopic  
particles. (California Health & Safety  
Code § 25249.5, et seq.)  
11. WARNING: Handling the cord on  
this product will expose you to lead,  
a chemical known to the State of  
California to cause cancer, and birth  
defects or other reproductive harm.  
Wash hands after handling. (Califor-  
nia Health & Safety Code § 25249.5,  
et seq.)  
8. This product is not a toy. Keep it out  
of reach of children.  
9. People with pacemakers should  
consult their physician(s) before use.  
Electromagnetic fields in close prox-  
imity to heart pacemaker could cause  
pacemaker interference or pacemak-  
er failure. In addition, people with  
pacemakers should:  
12. The warnings, precautions, and in-  
structions discussed in this instruction  
manual cannot cover all possible con-  
ditions 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.  
• Avoid operating alone.  
• Do not use with power switch locked  
on.  
• Properly maintain and inspect to  
avoid electrical shock.  
• Any power cord must be properly  
grounded. Ground Fault Circuit Inter-  
rupter (GFCI) should also be imple-  
mented – it prevents sustained elec-  
trical shock.  
Vibration safety  
This tool vibrates during use. Re-  
peated or long-term exposure to  
SKU 66127  
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Page 5  
 
vibration may cause temporary or  
permanent physical injury, particularly  
to the hands, arms and shoulders. To  
reduce the risk of vibration-related  
injury:  
saVe tHese  
instructions.  
1. Anyone using vibrating tools regu-  
larly 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, ner-  
vous system disorders, diabetes, or  
Raynaud’s Disease should not use  
this tool. If you feel any symptoms  
related to vibration (such as tingling,  
numbness, and white or blue fingers),  
seek medical advice as soon as pos-  
sible.  
2. Do not smoke during use. Nico-  
tine 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 dif-  
ferent 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.  
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Page 6  
 
charging the Battery  
speciFications  
1. The Battery Pack (15) must be  
charged for three to five hours before  
use. Do not charge the Battery Pack  
longer than five hours; the Battery  
Pack and/or Charger (21) may be  
damaged. Do not leave the Charger  
unattended while charging. Charge  
the Battery on a inflammable surface.  
Charger Input  
120V, 60 Hz,  
19.2 VDC NiCd  
Battery, 1.7 aH  
Power Output  
0 - 600 RPM  
Forward/Reverse  
Drill Speed  
Chuck Type  
3/8” Keyless  
15 Standard Setting  
+ One Drill Setting  
Torque Settings  
Trigger Settings  
Forward/Reverse  
2. Move the Forward/Reverse Switch of  
the Drill to its center, locked position.  
unpacKing  
3. Push the Battery Release Button on  
top of the Battery down, and slide the  
Battery off the handle of the Drill.  
When unpacking, make sure that the  
item is intact and undamaged. If any parts  
are missing or broken, please call Harbor  
Freight Tools at the number shown on the  
cover of this manual as soon as possible.  
torque  
level  
chuck (4)  
selector  
(18)  
instructions For  
putting into use  
Battery  
release  
Button  
read the entire important  
saFetY inFormation  
section at the beginning of this  
manual including all text under  
subheadings therein before set  
up or use of this product.  
4. Slide the Battery onto the Charger.  
Plug the Charger into a grounded120  
volt electrical outlet.  
to preVent  
serious injurY  
From accidental  
operation:  
5. Verify that the charging indicator light  
comes on. If it does not come on,  
check the power cord connection.  
Charge the Battery until the charging  
indicator light turns off.  
turn the Forward/reverse  
switch of the tool to its center,  
locked position and remove  
the Battery before assembling  
or making any adjustments to  
the tool.  
note: While charging, the Battery and  
Charger may become warm to the  
touch. This is normal, and does not  
indicate a problem.  
note: For additional information regarding  
the parts listed in the following pages,  
refer to the Assembly Diagram near  
the end of this manual.  
SKU 66127  
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Page 7  
 
6. Once the Battery is charged, discon-  
nect the Charger from the electrical  
outlet and the Charger from the Bat-  
tery Pack. Connect the Battery to the  
base of the Drill.  
3. There must not be hazardous ob-  
jects, such as utility lines or foreign  
objects, nearby that will present a  
hazard while working.  
4.  
Warning, to prevent serious  
injury; verify that the surface has no  
hidden utility lines before drilling or  
driving screws.  
installing a drill Bit  
1. Turn the Chuck (4) of the Drill coun-  
terclockwise until the jaws are open  
wide enough to receive a 3/8” bit.  
general operating instructions  
2. Place the bit of a driver or drill (not  
included) into the jaws, and turn the  
Chuck clockwise until secure.  
1. Mark the position of the hole to be  
drilled with a center punch to prevent  
the Drill from “walking”.  
2. Attach the Battery to the bottom of  
the handle, it will click when it locks  
into place.  
operating instructions  
read the entire important  
saFetY inFormation  
section at the beginning of this  
manual including all text under  
subheadings therein before set  
up or use of this product.  
3. Move the Forward/Reverse Switch to  
the desired position.  
4. Turn the Torque Selector to the cor-  
rect torque setting. Do not change  
the torque setting while the drill is  
moving.  
to preVent  
serious injurY  
From accidental  
5. Pull the Trigger to start the Drill. Al-  
low the drill to come up to full speed,  
before, applying it to the work sur-  
face.  
operation:  
turn the Forward/reverse  
switch of the tool to its center,  
locked position and remove  
the Battery before performing  
any inspection, maintenance,  
or cleaning procedures.  
6. Hold the Drill firmly with both hands,  
as torque will cause the tool to twist.  
7. When drilling in light gauge metal or  
wood, place a wooden block behind  
the material to prevent damage to the  
workpiece. Lubricate the Drill Bit with  
cutting oil when drilling iron or steel.  
Use a coolant when drilling nonfer-  
rous metals such as copper, brass, or  
aluminum.  
Work piece and Work area set up  
1. Designate a work area that is clean  
and well-lit. The work area must not  
allow access by children or pets to  
prevent injury and distraction.  
2. Secure loose work pieces using a  
vise or clamps (not included) to pre-  
vent movement while working.  
8. To drill holes parallel to the ground,  
make sure the bubble stays between  
the lines on the Level.  
SKU 66127  
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Page 8  
 
9. To determine the battery charge level,  
hold down the Battery Charge Indi-  
cator. There are three lights (red,  
yellow, green), if all three are lit the  
battery is fully charged. If only the  
red and yellow lights are illuminated,  
the battery is partially charged. If  
only the red light is illuminated, then  
the battery will need to be charged  
soon.  
level  
Battery charge  
indicator  
10. When the hole is drilled, remove the  
drill bit from the hole while the Drill is  
still running. This prevents the Drill Bit  
from getting caught in the hole and  
causing damage.  
11. To prevent accidents, turn off the tool  
and disconnect its power supply after  
use. Clean, then store the tool in-  
doors out of children’s reach.  
SKU 66127  
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Page 9  
 
be replaced only by a qualified  
service technician.  
maintenance and  
serVicing  
please read tHe FolloWing  
careFullY  
Procedures not specifically  
explained in this manual  
must be performed only by a  
qualified technician.  
THe MANUFACTUReR AND/OR DISTRIBUTOR  
HAs ProViDED THE PArTs LisT AnD  
AssEmBLy DiAgrAm in THis mAnuAL As  
A rEfErEnCE TooL onLy. nEiTHEr THE  
MANUFACTUReR OR 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 rEPLACE Any PArTs of THE ProDuCT.  
IN FACT, THe MANUFACTUReR AND/OR  
DisTriBuTor ExPrEssLy sTATEs THAT  
ALL rEPAirs AnD PArTs rEPLACEmEnTs  
sHouLD BE unDErTAKEn By CErTifiED  
AnD LiCEnsED TECHniCiAns, AnD noT By  
THE BuyEr. THE BuyEr AssumEs ALL risK  
AnD LiABiLiTy Arising ouT of His or HEr  
rEPAirs To THE originAL ProDuCT or  
rEPLACEmEnT PArTs THErETo, or Arising  
ouT of His or HEr insTALLATion of  
rEPLACEmEnT PArTs THErETo.  
to preVent  
serious injurY  
From accidental  
operation:  
turn the power switch of the  
tool to its “oFF” position and  
unplug the tool from its  
electrical outlet before  
performing any inspection,  
maintenance, or cleaning  
procedures.  
to preVent serious  
injurY From tool  
Failure:  
do not use damaged  
equipment. if abnormal noise  
or vibration occurs, have the  
problem corrected before  
further use.  
cleaning, maintenance, and  
lubrication  
1. BeFore eacH use, inspect the  
general condition of the tool. Check  
for loose screws, misalignment or  
binding of moving parts, cracked or  
broken parts, damaged electrical wir-  
ing, and any other condition that may  
affect its safe operation.  
2. aFter use, clean external surfaces  
of the tool with clean cloth.  
3.  
Warning! if the supply cord of  
this power tool is damaged, it must  
SKU 66127  
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Page 10  
 
parts list  
parts list  
part  
description  
Qty  
8
1
1
1
1
1
1
1
part  
description  
Qty  
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
Screw  
12 Connector  
Right Body  
Chuck Screw  
Chuck  
Gear Box & Motor Assembly  
Capacitor  
13 Trigger  
14 Battery Clamp  
15 Battery  
16 reverse Lever  
17 Left Body  
18 Level  
19 Circuit Board  
20 Screw  
Handle Belt  
Screw  
Washer  
1
2
10 VMOS  
11 Cooling Plate  
1
1
21 Charger  
22 Case (not shown)  
1
1
assemBlY diagram  
record products serial number Here:  
note: If product has no serial number, record month and year of purchase instead.  
note: Some parts are listed and shown for illustration purposes only, and are not avail-  
able individually as replacement parts.  
SKU 66127  
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Page 11  
 
limited 90 daY WarrantY  
Harbor Freight Tools Co. makes every effort to assure that its products meet high  
quality and durability standards, and warrants to the original purchaser that this prod-  
uct is free from defects in materials and workmanship for the period of 90 days from  
the date of purchase. This warranty does not apply to damage due directly or indirectly,  
to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities,  
criminal activity, improper installation, normal wear and tear, or to lack of maintenance.  
We shall in no event be liable for death, injuries to persons or property, or for incidental,  
contingent, special or consequential damages arising from the use of our product. Some  
states do not allow the exclusion or limitation of incidental or consequential damages, so  
the above limitation of exclusion may not apply to you. THIS WARRANTY IS exPReSS-  
Ly 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 com-  
plaint must accompany the merchandise. if our inspection verifies the defect, we will ei-  
ther repair or replace the product at our election or we may elect to refund the purchase  
price if we cannot readily and quickly provide you with a replacement. We will return re-  
paired products at our expense, but if we determine there is no defect, or that the defect  
resulted from causes not within the scope of our warranty, then you must bear the cost  
of returning the product.  
This warranty gives you specific legal rights and you may also have other rights  
which vary from state to state.  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
SKU 66127  
For technical questions, please call 1-800-444-3353.  
Page 12  
 

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