Chicago Electric Impact Driver 45252 User Manual

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electrical safety  
1. power tool plugs must match the outlet.  
never modify the plug in any way.  
4. Do not abuse the cord. never use the cord for  
carrying, pulling or unplugging the power tool.  
Keep cord away from heat, oil, sharp edges  
or moving parts. Damaged or entangled  
Do not use any adapter plugs with grounded  
power tools. Unmodified plugs and matching  
outlets will reduce risk of electric shock.  
cords increase the risk of electric shock.  
2. avoid body contact with grounded surfaces  
such as pipes, radiators, ranges and  
5. When operating a power tool outdoors,  
use an extension cord suitable for  
refrigerators. There is an increased risk of  
electric shock if your body is grounded.  
outdoor use. Use of a cord suitable for outdoor  
use reduces the risk of electric shock.  
3. Do not expose power tools to rain or wet  
conditions. Water entering a power tool  
will increase the risk of electric shock.  
6. if operating a power tool in a damp location  
is unavoidable, use a Ground Fault Circuit  
interrupter (GFCi) protected supply.  
Use of a GFCI reduces the risk of electric shock.  
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 of inattention while operating  
power tools may result in serious personal injury.  
4. Remove any adjusting key or wrench  
before turning the power tool on.  
A wrench or a key left attached to a rotating part  
of the power tool may result in personal injury.  
5. Do not overreach. Keep proper footing and  
balance at all times. This enables better control  
of the power tool in unexpected situations.  
2. use personal protective equipment. always wear  
eye protection. Safety equipment such as  
dust mask, non-skid safety shoes, hard hat,  
or hearing protection used for appropriate  
conditions will reduce personal injuries.  
6. 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.  
3. prevent unintentional starting. ensure the switch  
is in the off-position before connecting to  
power source, picking up or carrying the tool.  
Carrying power tools with your finger on  
7. 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  
the switch or energizing power tools that  
have the switch on invites accidents.  
specific hazards in the work area.  
Item 45252  
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power tool use and care  
1. Do not force the power tool. use the  
correct power tool for your application.  
The correct power tool will do the job better and  
safer at the rate for which it was designed.  
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.  
2. Do not use the power tool if the  
switch does not turn it on and off.  
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  
are caused by poorly maintained power tools.  
Any power tool that cannot be controlled with the  
switch is dangerous and must be repaired.  
3. Disconnect the plug from the power source  
before making any adjustments, changing  
accessories, or storing power tools.  
Such preventive safety measures reduce the  
risk of starting the power tool accidentally.  
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  
power tool for operations different from those  
intended could result in a hazardous situation.  
Service  
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.  
impact Wrench Safety Warnings  
1. hold power tools by insulated gripping 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.  
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 proximity to heart pacemaker could cause  
pacemaker interference or pacemaker failure. In  
addition, people with pacemakers should:  
• Avoid operating alone.  
2. The amount of actual torque may vary depending  
on the cleanness and condition of the threads and  
other factors. If tightening critical components,  
check the actual torque applied to the fastener  
with a mechanical torque wrench (not supplied).  
• 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.  
3. Maintain labels and nameplates on the tool.  
These carry important safety information.  
If unreadable or missing, contact  
Harbor Freight Tools for a replacement.  
10. 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.  
(California Health & Safety Code § 25249.5, et seq.)  
4. Avoid unintentional starting.  
Prepare to begin work before turning on the tool.  
5. 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.  
11. 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.  
6. When using a handheld power tool,  
maintain a firm grip on the tool with both  
hands to resist starting torque.  
7. 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 leaving.  
Page 4  
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vibration Safety  
This tool vibrates during use.  
2. Do not smoke during use. Nicotine reduces  
the blood supply to the hands and fingers,  
increasing the risk of vibration-related injury.  
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:  
3. Wear suitable gloves to reduce the  
vibration effects on the user.  
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 symptoms related to vibration (such  
as tingling, numbness, and white or blue fingers),  
seek medical advice as soon as possible.  
4. Use tools with the lowest vibration  
when there is a choice.  
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.  
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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.  
Grounded tools: tools with three prong plugs  
2. The grounding prong in the plug is connected through  
the green wire inside the cord to the grounding  
system in the tool. The green wire in the cord must  
be the only wire connected to the tool’s grounding  
system and must never be attached to an electrically  
“live” terminal. (See 3-prong plug and Outlet.)  
3. The tool must be plugged into an appropriate outlet,  
properly installed and grounded in accordance with  
all codes and ordinances. The plug and outlet should  
look like those in the preceding illustration.  
3-prong plug and Outlet  
(See 3-prong plug and Outlet.)  
1. Tools marked with “Grounding Required” have a three  
wire cord and three prong grounding plug. The plug  
must be connected to a properly grounded outlet.  
If the tool should electrically malfunction or break  
down, grounding provides a low resistance path to  
carry electricity away from the user, reducing the risk  
of electric shock. (See 3-prong plug and Outlet.)  
Double insulated tools: tools with two prong plugs  
1. Tools marked “Double Insulated” do not  
require grounding. They have a special  
double insulation system which satisfies  
OSHA requirements and complies with  
the applicable standards of Underwriters  
Laboratories, Inc., the Canadian Standard  
Association, and the National Electrical Code.  
2. Double insulated tools may be used in either of the  
120 volt outlets shown in the preceding illustration.  
(See Outlets for 2-prong plug.)  
Outlets for 2-prong plug  
Page 6  
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extension Cords  
1. Grounded tools require a three wire extension cord.  
Double Insulated tools can use either  
7. Make sure the extension cord is properly wired  
and in good electrical condition. Always replace  
a damaged extension cord or have it repaired  
by a qualified electrician before using it.  
a two or three wire extension cord.  
2. As the distance from the supply outlet increases,  
you must use a heavier gauge extension cord.  
Using extension cords with inadequately sized wire  
causes a serious drop in voltage, resulting in loss of  
power and possible tool damage. (See table a.)  
8. Protect the extension cords from sharp objects,  
excessive heat, and damp or wet areas.  
taBle a: ReCOmmenDeD minimum WiRe  
GauGe FOR eXtenSiOn CORDS* (120/240 vOlt)  
3. The smaller the gauge number of the wire, the  
greater the capacity of the cord. For example,  
a 14 gauge cord can carry a higher current  
than a 16 gauge cord. (See table a.)  
eXtenSiOn CORD  
lenGth  
nameplate  
ampeReS  
(at full load)  
25´ 50´ 75´ 100´ 150´  
0 – 2.0  
2.1 – 3.4  
18  
18  
18  
18  
18  
14  
12  
18  
18  
18  
16  
14  
12  
10  
18  
18  
16  
14  
12  
10  
-
18  
16  
14  
12  
10  
-
16  
14  
12  
12  
-
4. When using more than one extension cord to make  
up the total length, make sure each cord contains at  
least the minimum wire size required. (See table a.)  
3.5 – 5.0  
5.1 – 7.0  
5. If you are using one extension cord for more  
than one tool, add the nameplate amperes  
and use the sum to determine the required  
minimum cord size. (See table a.)  
7.1 – 12.0  
12.1 – 16.0  
16.1 – 20.0  
-
-
-
6. If you are using an extension cord outdoors, make  
sure it is marked with the suffix “W-A” (“W” in  
* Based on limiting the line voltage drop to five volts at  
150% of the rated amperes.  
Canada) to indicate it is acceptable for outdoor use.  
Symbology  
WARNING marking concerning Risk  
of Eye Injury. Wear ANSI-approved  
safety goggles with side shields.  
Double Insulated  
Canadian Standards Association  
Underwriters Laboratories, Inc.  
Read the manual before  
set-up and/or use.  
WARNING marking concerning  
Risk of Hearing Loss.  
Wear hearing protection.  
Volts Alternating Current  
v~  
a
WARNING marking  
concerning Risk of Fire.  
Do not cover ventilation ducts.  
Keep flammable objects away.  
WARNING marking concerning  
Risk of Electric Shock.  
Amperes  
No Load Revolutions per Minute (RPM)  
n xxxx/min.  
0
Properly connect power cord  
to appropriate outlet.  
Item 45252  
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Specifications  
Electrical Rating  
120V~ / 60Hz / 7A  
2100 RPM  
2700 BPM  
Motor No Load Speed  
Maximum Torque  
Drive Size  
240 ft. lbs.  
1/2"  
39lh  
194601  
Setup - Before use:  
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.  
Functions  
Anvil  
Reverse  
Setting  
Brush  
Cover  
Trigger  
Forward  
Setting  
Figure a  
Page 8  
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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.  
Workpiece 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 distraction and injury.  
3. Secure loose workpieces using a vise or clamps  
(not included) to prevent movement while working.  
4. There must not be objects, such as utility lines,  
nearby that will present a hazard while working.  
2. Route the power cord along a safe route to reach  
the work area without creating a tripping hazard or  
exposing the power cord to possible damage. The  
power cord must reach the work area with enough  
extra length to allow free movement while working.  
General Operating instructions  
The Impact Wrench is equipped with a rocker-type  
Trigger that can switch between clockwise (forward)  
rotation to counterclockwise (reverse) rotation.  
4. When finished, release the Trigger.  
note: The amount of actual torque may vary  
depending on the condition of the threads and  
other factors. If tightening critical components,  
check the actual torque applied to the fastener with  
a mechanical torque wrench (not supplied).  
1. Press the desired Socket (sold  
separately) onto the Anvil.  
2. Plug the Power Cord into a  
120V~ / 60Hz grounded outlet.  
5. To prevent accidents, turn off the tool and  
disconnect its power supply after use. Clean, then  
store the tool indoors out of children’s reach.  
3. Press the LOWER part of the Trigger for clockwise  
(FORWARD) rotation or the UPPER part of the  
Trigger for counterclockwise (REVERSE) rotation.  
note: The Trigger will not activate if both settings are  
pressed down at the same time.  
CautiOn! To prevent injury: Use both hands to operate  
the Impact Wrench, keeping one hand on the Handle  
and the other hand on the Housing. Do not hold or touch  
impact sockets during use.  
Item 45252  
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maintenance and Servicing  
procedures not specifically explained in this manual must  
be performed only by a qualified technician.  
tO pRevent SeRiOuS inJuRY FROm aCCiDental OpeRatiOn:  
Release the trigger and unplug the tool from its electrical outlet  
before performing any procedure in this section.  
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  
4. CaRBOn BRuSh maintenanCe.  
condition of the tool. Check for:  
The carbon brushes may require maintenance when  
the motor performance of the tool decreases or  
stops working completely. To maintain the brushes:  
loose hardware,  
misalignment or binding of moving parts,  
cracked or broken parts,  
a. Remove the Carbon Brush Cover on  
each side of the motor housing.  
damaged electrical wiring, and  
b. Remove the carbon brushes from the  
housing. Keep track of which orientation  
the old carbon brushes were in to prevent  
needless wear if they will be reinstalled.  
any other condition that may  
affect its safe operation.  
2. aFteR uSe, wipe external surfaces  
c. If either carbon brush is worn down by  
more than 1/2, replace them both.  
of the tool with clean cloth.  
d. To clean old carbon brushes before reusing them,  
rub the contact areas with a pencil eraser.  
3.  
WaRninG! if the supply cord of this  
power tool is damaged, it must be replaced  
only by a qualified service technician.  
e. Reinsert the old carbon brushes in the  
same orientation to reduce wear.  
f. When installing, make sure the carbon portions  
of the brushes contact the motor armature,  
and that the springs face away from the motor.  
Also, make sure the springs operate freely.  
g. Replace the Carbon Brush  
Covers. Do not overtighten.  
note: New carbon brushes tend to spark when first used  
until they wear and conform to the motor’s armature.  
Page 10  
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troubleshooting  
problem  
possible Causes  
likely Solutions  
Tool will not start.  
1. Cord not connected.  
1. Check that cord is plugged in.  
2. No power at outlet.  
2. Check power at outlet. If outlet is unpowered,  
turn off tool and check circuit breaker. If breaker  
is tripped, make sure circuit is right capacity  
for tool and circuit has no other loads.  
3. Tool’s thermal reset breaker  
tripped (if equipped).  
3. Turn off tool and allow to cool.  
Press reset button on tool.  
4. Internal damage or wear.  
(Carbon brushes or  
4. Have technician service tool and/  
or replace Carbon Brushes.  
switch, for example.)  
Tool operates slowly. Extension cord too long or  
cord diameter too small.  
Eliminate use of extension cord. If an extension  
cord is needed, use one with the proper diameter  
for its length and load. See Extension Cords  
in Grounding section on page 6.  
Performance  
1. Accessory dull or damaged.  
1. Keep cutting accessories sharp. Replace as needed.  
decreases over time.  
2. Carbon brushes worn  
2. Replace Carbon Brushes.  
Have technician service tool.  
1. Allow tool to work at its own rate.  
or damaged.  
Excessive noise  
or rattling.  
Overheating.  
Internal damage or wear. (Carbon  
brushes or bearings, for example.)  
1. Forcing tool to work too fast.  
2. Blocked motor housing vents.  
2. Wear ANSI-approved safety goggles and  
NIOSH-approved dust mask/respirator while  
blowing dust out of motor using compressed air.  
3. Motor being strained by long or  
small diameter extension cord.  
3. Eliminate use of extension cord. If an extension  
cord is needed, use one with the proper diameter  
for its length and load. See Extension Cords  
in Grounding section on page 6.  
Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power  
supply before service.  
Item 45252  
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parts list and Diagram  
pleaSe ReaD the FOllOWinG CaReFullY  
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.  
parts list  
part  
Description  
Qty  
1
4
4
4
1
1
1
1
1
23  
1
2
1
1
1
1
1
part  
Description  
Qty  
1
1
1
2
2
1
2
1
1
1
1
2
2
2
2
1
1
2
3
4
5
6
7
8
9
Gear box  
24 Ball Bearing 608.2Z  
Screw St5x48f  
spring Washer Φ5  
Washer Φ5  
Friction bearing Φ19xφ32x23.8  
Check Ring  
o-Ring Φ8xφ1.5  
Spindle  
Impact Block  
25 Pin Φ8x40  
26 Couple Gear  
27 Needle Bearing\Hk081210  
28 Washer Φ8xφ16x0.5  
29 Baffle  
30 Screw St4x55c  
31 Stator 120V  
32 Bearing Bush  
33 Housing  
34 Rating Label  
35 Brush Holder Cap  
36 Carbon Brush 120V  
37 Brush Holder  
38 Screw St4x18f  
39 Handle Cover  
40 Swtich  
41 Screw St4x16c  
42 Cord Clamp  
43 Cord Sleeve  
44 Cord 120V  
10 steel ball Φ5  
11 Spring  
12 steel ball Φ7.14  
13 Gear shaft  
14 Gear  
15 Washer Φ8.1xφ16x3  
16 Bracket  
17 Sealing Ring  
18 Gear box Cover  
19 o-Ring Φ25.7xφ1.8  
20 Felt Ring Φ9xφ18x4  
21 Ball Bearing 6000.2Rs  
22 Bearing Cover  
23 Armature 120V  
1
2
1
1
1
1
1
1
1
1
1
1
45 Brand Label  
Page 12  
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assembly Diagram  
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Record product’s 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 available individually as replacement parts.  
Page 14  
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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 product 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 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 explanation of the complaint must accompany the merchandise.  
If our inspection verifies the defect, we will either 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 repaired 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.  
Item 45252  
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Page 15  
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3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
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