Harbor Freight Tools 91176 User Manual
18 VOLT CORDLESS
HAMMER DRILL KIT
Model 91176
ASSEMBLY AND OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at: http://www.harborfreight.com
Copyright© 2004 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.
For technical questions, please call 1-800-444-3353.
PRODUCT SPECIFICATIONS
Chuck Type 1/2” - Keyless Chuck
Revolutions Per Minute 0-500 RPM (low), 0-1600 RPM (high)
Torque Settings 7 (from 4.4 to 70.7 in.-Lbs.)
Refer to
Battery 18 VDC, Rechargeable NiCd
Weight (Drill Only) 5 Lbs.
Kit includes: Case, 5 drill bits, 5 driver bits, 2” Long Extender
Adapter/Charger.
Torque Settings
chart on page 12.
SAVE THIS MANUAL
You will need this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures, parts list and assembly diagram. Keep your invoice with this manual. Write the invoice number
on the inside of the front cover. Keep this manual and invoice in a safe and dry
place for future reference.
GENERAL SAFETY RULES
WARNING!
READ AND UNDERSTAND ALL INSTRUCTIONS
Failure to follow all instructions listed below may result in
electric shock, fire, and/or serious injury.
SAVE THESE INSTRUCTIONS
WORK AREA
1. Keep your work area clean and well lit. Cluttered benches and dark areas
invite accidents.
2. Do not operate power tools in explosive atmospheres, such as in the
presence of flammable liquids, gases, or dust. Power tools create sparks
which may ignite the dust or fumes.
3. Keep bystanders, children, and visitors away while operating a power tool.
Distractions can cause you to lose control. Protect others in the work area from
debris such as chips and sparks. Provide barriers or shields as needed.
SKU 91176 PAGE 2 REV 10/04
ELECTRICAL SAFETY
4. Grounded adapters/chargers must be plugged into an outlet properly in
stalled and grounded in accordance with all codes and ordinances. Never
remove the grounding prong or modify the plug in any way. Do not use any
adapter plugs. Check with a qualified electrician if you are in doubt as to
whether the outlet is properly grounded. If the Adapter/Charger should
electrically malfunction or break down, grounding provides a low resistance path
to carry electricity away from the user.
5. Double insulated tools are equipped with a polarized plug (one blade is
wider than the other). This plug will fit in a polarized outlet only one way. If
the plug does not fit fully in the outlet, reverse the plug. If it still does not
fit, contact a qualified electrician to install a polarized outlet. Do not
change the plug in any way. Double insulation eliminates the need for the
three wire grounded power cord and grounded power supply system.
6. Avoid body contact with grounded surfaces such as pipes, radiators,
ranges, and refrigerators. There is an increased risk of electric shock if your
body is grounded.
7. Do not expose power tools to rain or wet conditions. Water entering a power
tool will increase the risk of electric shock.
8. Do not abuse the Power Cord. Never use the Power Cord to carry the tools
or pull the Plug from an outlet. Keep the Power Cord away from heat, oil,
sharp edges, or moving parts. Replace damaged Power Cords immediately. Damaged Power Cords increase the risk of electric shock.
9. When operating a power tool outside, use an outdoor extension cord
marked “W-A” or “W”. These extension cords are rated for outdoor use, and
reduce the risk of electric shock.
PERSONAL SAFETY
10. Stay alert. Watch what you are doing, and use common sense when operating a power tool. Do not use a power tool while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operat-
ing power tools may result in serious personal injury.
11. Dress properly. Do not wear loose clothing or jewelry. Contain long hair.
Keep your hair, clothing, and gloves away from moving parts. Loose
clothes, jewelry, or long hair can be caught in moving parts.
SKU 91176 PAGE 3
12. Avoid accidental starting. Be sure the Trigger is off before plugging
in. Carrying power tools with your finger on the Trigger, or adding a battery
with the Trigger depressed, invites accidents.
13. Remove adjusting keys or wrenches before turning the power tool on. A
wrench or a key that is left attached to a rotating part of the power tool may result
in personal injury.
14. Do not overreach. Keep proper footing and balance at all times. Proper
footing and balance enables better control of the power tool in unexpected
situations.
15. Use safety equipment. Always wear eye protection. Dust mask, non-skid
safety shoes, hard hat, or hearing protection must be used for appropriate
conditions.
TOOL USE AND CARE
16. Use clamps (not included) or other practical ways to secure and support
the workpiece to a stable platform. Holding the work by hand or against your
body is unstable and may lead to loss of control.
17. Do not force the tool. Use the correct tool for your application. The correct
tool will do the job better and safer at the rate for which it is designed.
18. Do not use the power tool if the Trigger does not turn it on or off.
Any tool that cannot be controlled with the Trigger is dangerous and must
be replaced.
19. Disconnect the Power Cord Plug from the power source before making any
adjustments, changing batteries, or storing the Charger.
20. Store idle tools out of reach of children and other untrained persons. Tools
are dangerous in the hands of untrained users.
21. Maintain tools with care. Keep tools clean and bits sharp. Properly
maintained tools and sharp bits are less likely to bind and are easier
to control. Do not use a damaged tool. Tag damaged tools “Do not use” until
repaired.
22. Check for misalignment or binding of moving parts, breakage of parts, and
any other condition that may affect the tool’s operation. If damaged, have
the tool serviced before using. Many accidents are caused by poorly main-
tained tools.
SKU 91176 PAGE 4
23. Use only accessories that are recommended by the manufacturer for your
model. Accessories that may be suitable for one tool may become hazardous
when used on another tool.
SERVICE
24. Tool service must be performed only by qualified repair personnel. Service
or maintenance performed by unqualified personnel could result in a risk of injury.
25. When servicing a tool, use only identical replacement parts. Follow
instructions in the
manual. Use of unauthorized parts or failure to follow maintenance instructions
may create a risk of electric shock or injury.
“Inspection, Maintenance, And Cleaning”
section of this
SPECIFIC SAFETY RULES
1. Maintain labels and nameplates on the Hammer Drill. These carry important information. If unreadable or missing, contact Harbor Freight Tools for a
replacement.
2. Always wear safety impact eye goggles and heavy work gloves when using
the Hammer Drill. Using personal safety devices reduce the risk for injury.
Safety impact eye goggles and heavy work gloves are available from Harbor
Freight Tools.
3. Maintain a safe working environment. Keep the work area well lit. Make sure
there is adequate surrounding workspace. Always keep the work area free of
obstructions, grease, oil, trash, and other debris. Do not use a power tool in areas
near flammable chemicals, dusts, and vapors. Do not use this product in a damp
or wet location.
4. When using a handheld power tool, always maintain a firm grip on the tool
with both hands to resist starting torque.
5. Avoid unintentional starting. Make sure you are prepared to begin work
before turning on the Hammer Drill.
6. Do not force the Hammer Drill. This tool will do the work better and safer at
the speed and capacity for which it was designed.
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