Harbor Freight Tools Power Screwdriver 68394 User Manual

4.8V Cordless Screwdriver  
68394 4.8V Cordless Screwdriver  
Read this material before using this product.  
Failure to do so can result in serious injury.  
Save this manual.  
When unpacking, make sure that the product is intact and undamaged. If any parts are missing or broken,  
please call 1-800-444-3353 as soon as possible.  
©
®
Copyright 2011 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.  
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3. Personal safety  
to operate the power tool. Power tools are  
dangerous in the hands of untrained users.  
a. 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.  
e. 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.  
b. 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.  
f. 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.  
c. Prevent unintentional starting. Ensure the  
switch is in the off-position before connecting  
to power source and/or 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.  
5. Charger 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.  
d. Do not overreach. Keep proper footing and  
balance at all times. This enables better control  
of the power tool in unexpected situations.  
b. 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.  
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.  
f. 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.  
6. 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.  
g. 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.  
Screwdriver 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.  
4. Power tool use and care  
a. 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.  
2. Maintain labels and nameplates on the tool.  
These carry important safety information. If  
unreadable or missing, contact Harbor  
Freight Tools for a replacement.  
b. Do not use the power tool if the switch  
does not turn it on and off. Any power  
tool that cannot be controlled with the switch  
is dangerous and must be repaired.  
3. Avoid unintentional starting. Prepare to  
begin work before turning on the tool.  
c. Disconnect the plug from the power source  
and/or the battery pack from the power tool  
before making any adjustments, changing  
accessories, or storing power tools. Such  
preventive safety measures reduce the risk  
of starting the power tool accidentally.  
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.  
d. Store idle power tools out of the reach of  
children and do not allow persons unfamiliar  
with the power tool or these instructions  
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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 leaving.  
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:  
7. This product is not a toy. Keep it  
out of reach of children.  
8. 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:  
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.  
• Avoid operating alone.  
• Do not use with power switch locked on.  
• Properly maintain and inspect  
to avoid electrical shock.  
9. WARNING: Some dust created by power sanding,  
sawing, grinding, drilling, and other construction  
activities, contains chemicals known [to the State  
of California] to cause cancer, birth defects or  
other reproductive harm. Some examples of these  
chemicals are:  
2. Do not smoke during use. Nicotine reduces  
the blood supply to the hands and fingers,  
increasing the risk of vibration-related injury.  
• Lead from lead-based paints  
• Crystalline silica from bricks and cement or other  
masonry products  
3. Wear suitable gloves to reduce the  
vibration effects on the user.  
• Arsenic and chromium from chemically treated lumber  
Your risk from these exposures varies, 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.  
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.  
(California Health & Safety Code § 25249.5, et seq.)  
7. To reduce vibration, maintain the tool as  
explained in this manual. If any abnormal  
vibration occurs, stop use immediately.  
10. WARNING: Handling the cord on this product’s adapter  
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.)  
SAVE THESE  
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.  
INSTRUCTIONS.  
Page 4  
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Symbology  
Grounding  
Double Insulated  
TO PREVENT ELECTRIC SHOCK AND  
DEATH FROM INCORRECT GROUNDING  
WIRE CONNECTION: Check with a qualified  
Canadian Standards Association  
Underwriters Laboratories, Inc.  
Volts Alternating Current  
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.  
V~  
A
Amperes  
No Load Revolutions per Minute (RPM)  
n xxxx/min.  
0
Double Insulated Tools:  
Tools with Two Prong Plugs  
WARNING marking concerning Risk  
of Eye Injury. Wear ANSI-approved  
safety goggles with side shields.  
Read the manual before  
set-up and/or use.  
WARNING marking concerning Risk  
of Fire.  
Do not cover ventilation ducts.  
Keep flammable objects away.  
WARNING marking concerning Risk of  
Electric Shock.  
Properly connect power cord  
to appropriate outlet.  
Outlets for 2-Prong Plug  
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.)  
Extension Cords  
Note: Extension cords must not be used with this  
item’s adapter.  
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Instructions for Putting into 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.  
TO PREVENT INJURY FROM ACCIDENTAL OPERATION:  
Release the Trigger and disconnect Power Adapter before assembling or making any adjustments to the tool.  
Note: For additional information regarding the parts listed in the following  
pages, refer to Parts List and Assembly Diagram on page 11.  
Work Light Switch  
Work Light  
Forward Trigger  
Magnetic  
Chuck  
Reverse Trigger  
Page 6  
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5. Squeeze and hold down the top Forward Trigger to  
start clockwise rotation. For reverse (counterclockwise)  
rotation, squeeze the bottom Reverse Trigger.  
Operating Instructions  
Read the ENTIRE IMPORTANT SAFETY  
6. When finished using the Screwdriver, release the  
INFORMATION section at the beginning  
of this manual including all text  
under subheadings therein before  
set up or use of this product.  
Forward / Reverse Trigger to turn off the tool.  
7. Clean then store the Screwdriver indoors  
and out of children’s reach.  
Tool Set Up  
Maintenance and Servicing  
Procedures not specifically explained  
in this manual must be performed  
only by a qualified technician.  
TO PREVENT INJURY FROM  
ACCIDENTAL OPERATION:  
Release the Trigger and disconnect Power Adapter  
before adjusting tool or installing accessories.  
Charging Battery  
1. Insert the Adapter cord plug into the  
back of the Screwdriver’s housing.  
TO PREVENT INJURY FROM  
ACCIDENTAL OPERATION:  
Release the Trigger and disconnect  
Adapter before performing any inspection,  
maintenance, or cleaning procedures.  
2. Plug the Adapter module into an electrical  
outlet. The red Charging Indicator will  
light. Charge up to 5-7 hours.  
TO PREVENT INJURY FROM TOOL FAILURE:  
Do not use damaged equipment. If abnormal  
noise or vibration occurs, have the problem  
corrected before further use.  
3. Remove the Adapter from the electrical outlet. The red  
Charging indicator will turn off.  
CAUTION! Do not overcharge the Battery. Do  
not charger for more than 7 hours continuously.  
The Adapter should not be left connected after  
charging is complete during operation.  
Cleaning, Maintenance,  
and Lubrication  
1. BEFORE EACH USE, inspect the general condition  
of the tool. Check for loose hardware, misalignment  
or binding of moving parts, cracked or broken  
parts, damaged electrical wiring, and any other  
condition that may affect its safe operation.  
General Operating Instructions  
TO PREVENT INJURY FROM  
ACCIDENTAL OPERATION:  
2. AFTER USE, wipe external surfaces of the tool with  
Release the Trigger and disconnect Adapter  
prior to making any adjustments to the tool.  
clean cloth.  
NOTE: INTERNAL Ni-Cd BATTERY MUST BE  
REMOVED AND DISPOSED OF PROPERLY. Do  
not short, incinerate or open internal battery.  
1. Disconnect the Power Adapter before operation.  
The Screwdriver is designed to accept a 1/4”  
standard hex driver. Do not use larger drivers as  
damage to the gears and/or motor may result.  
3. When storing, always store in clean, dry and  
safe location out of reach of children.  
2. Snap the desired hex driver into the Magnetic Chuck.  
4.  
WARNING! If the supply cord of this power  
tool’s adapter is damaged, it must be replaced  
only by a qualified service technician.  
3. If light is needed while driving screws, turn on  
the Work Light using the Work Light Switch.  
NOTE: The Work Light will activate once the  
Forward or Reverse Trigger is pressed.  
4. Engage the Screwdriver bit over the item being turned.  
The bit size must match the size of the screw.  
SKU 68394  
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Troubleshooting  
Problem  
Tool will not start.  
Possible Causes  
1. No power at outlet during  
charging.  
Likely Solutions  
1. 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.  
2. Internal damage or  
wear. (Carbon brushes or  
switch, for example.)  
2. Have technician service tool.  
Performance  
Carbon brushes worn or damaged. Have qualified technician replace brushes.  
decreases over time.  
Excessive noise  
or rattling.  
Internal damage or wear. (Carbon  
brushes or bearings, for example.)  
1. Forcing tool to work too fast.  
Have technician service tool.  
Overheating.  
1. Allow tool to work at its own rate.  
2. Wear ANSI-approved safety goggles and NIOSH-  
approved dust mask/respirator while blowing  
dust out of motor using compressed air.  
2. Blocked motor housing vents.  
Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply  
before service.  
Parts List and Assembly 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.  
Part  
Description  
Qty.  
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
Spindle  
Washer  
C-Clip  
1
1
18 LED Button  
19 LED Switch Spring  
20 PCB LEB  
1
1
1
1
1
1
3
Gearbox  
21 Indicator LED  
22 Charging Socket  
23 Power Switch  
24 Power Switch PCB  
25 Battery  
Self-Lock Chip  
Self-Lock Ring  
Self-Lock Pin  
Self-Lock Center Bracket  
Front Gear  
26 Lens  
1
10 Cnter Bracket  
1
27 LED  
1
11  
Rear Gear  
3
28 Resistor  
1
12 Gasket  
1
29 Belt  
1
13 Motor Terminal Cover  
14 Motor Screw  
15 Motor Gear  
16 Motor  
1
2
1
1
30 Self-Tapping Screw  
31 Self-Tapping Screw  
32 Clasp  
5
4
1
1
33 Charger  
17 Housing  
1 set  
34 Bit (PH2, 2”)  
1
Page 8  
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SKU 68394  
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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.  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
Page 10  
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SKU 68394  
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