Operation & Parts Manual
1/2" Composite Impact Wrench
INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR
INJURY TO PERSONS
WARNING- Some dust created by using power tools contains chemicals known to the
State of California to cause cancer and birth defects or other reproductive harm
WARNING-When using the product, basic precautions should always be
followed, including the following:
General: To reduce the risks of electric shock, fire, and injury to persons,
read all the instructions before using the tool.
Work area
1. Keep the work area clean and well lighted. Cluttered benches and dark areas
increase the risks of electric shock, fire and injury to persons.
2. Do not operate the tool in explosive atmospheres, such as in the presence
of flammable liquids, gases, or dust. The tool is able to create sparks resulting in
the ignition of the dust or fumes.
3. Keep bystanders, children, and visitors away while operating the product.
Distractions are able to result in the loss of control of the tool.
Personal safety
1. Stay alert. Watch what you are doing and use common sense when operating
the product. Do not use the product while tired or under the influence of
drugs, alcohol, or medication. A moment of inattention while operating the tool increases
the risk of injury to persons.
2. Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep
hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long
hair increases the risk of injury to persons as a result of being caught in moving parts.
3. Remove adjusting keys and wrenches before turning the tool on. A wrench or a
key that is left attached to a rotating part of the tool increase the risk of personal injury.
4. Do not overreach. Keep proper footing and balance at all times. Proper footing
and balance enables better control of the tool in unexpected situations.
5. Use safety equipment. A dust mask, non-skid safety shoes and a hard hat must be used for
the applicable conditions.
6. Always wear eye protection.
7. Always wear hearing protection when using the tool. Prolonged exposure to high
intensity noise is able to cause hearing loss.
8. Disconnect the product from the air source before making any adjustments.
9. Avoid unintentional starting. Be sure the switch is off before connecting to
the air supply. Do not carry the tool with your finger on the switch or connect the tool to the
air supply with the switch on.
10. Accessories must be rated for at least the speed of the tool marked on the
tool label. Wheels and other accessories running over the rated speed can fly apart
and result in a risk of injury to persons.
IMPORTANT SAFETY INSTRUCTIONS
Model No. HSTC4150
2