HAND and POWER TOOLSHAND and POWER TOOLSU. S. Department of Labor.
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OSRO Number: Organization Name: Address: Contacts: Official Phone: Business Phone: Fax Number: 1: LCM Corporation: 3321 Shenandoah Avenue, N.W. Roanoke, VA, 24034: Larry Logan Lawrence Musgrove III (800)774-5583 (540)344-5583. Protective Measures and Complementary Equipment Introduction When the risk assessment shows that a machine or process carries a risk of injury, the hazard must be eliminated or contained. The manner in which this is achieved. See our complete line of hand tools, service tools, and tube working equipment for every A/C related job from manufacturers such as RTI, Robinair, Lisle, KD Tools, Mastercool and more. When it comes to shopping online for industrial products, there is no other place better than Tolexo. Whether you are looking for office supplies for your new setup or safety products for your workers or any other industrial.
Elaine L. Chao, Secretary. Occupational Safety and Health Administration. John L. Henshaw, Assistant Secretary.
OSHA 3. 08. 02. 00. Revised)This informational booklet is intended to provide a generic, non- exhaustive overview of a particular standards- related topic. This publication does not itself alter or determine compliance responsibilities, which are set forth in OSHA standards themselves and the Occupational Safety and Health Act. Moreover, because interpretations and enforcement policy may change over time, for additional guidance on OSHA compliance requirements, the reader should consult current and administrative interpretations and decisions by the Occupational Safety and Health Review Commission and the courts. Material contained in this publication is in the public domain and may be reproduced, fully or partially, without permission of the Federal Government. Source credit is requested but not required.
This information will be made available to sensory impaired individuals upon request. Voice phone: (2. 02) 6. For sale by the U.
S. Government Printing Office. Superintendent of Documents, Mail Stop: SSOP, Washington, DC 2. ISBN 0- 1. 6- 0. 49. Contents. What Is the Purpose of This Booklet? What Are the Hazards of Hand Tools?
What Are the Dangers of Power Tools? Guards. Operating Controls and Switches.
Electric Tools. Portable Abrasive Wheel Tools. Pneumatic Tools. Liquid Fuel Tools. Powder- Actuated Tools. Hydraulic Power Tools. What Help Can OSHA Provide? Safety and Health Program Management Guidelines. State Programs. Consultation Services.
Voluntary Protection Programs. Strategic Partnership Program. Training and Education. Electronic Information.
OSHA Publications. Emergencies, Complaints, and Further Assistance. States and Territories with Approved Plans.
OSHA Consultation Project Directory. OSHA Area Offices. OSHA Regional Offices. What Is the Purpose of This Booklet? This booklet is designed to present to employees and employers a summary of the basic safety procedures and safeguards associated with hand and portable power tools.
Material in this booklet is based on the standards of the Occupational Safety and Health Administration; this booklet, however, should not be considered as a substitute for the full safety and health standards for general industry (published in Title 2. Code of Federal Regulations (CFR), Part 1. Subpart P), or for the construction industry (published in 2. CFR Part 1. 92. 6, Subpart I).
These are also available on the World Wide Web at www. Employers and employees in the 2. OSHA- approved state safety and health plans should check with their state agency. Their state may be enforcing standards and other procedures that, while .
Tragically, a serious incident can occur before steps are taken to identify and avoid or eliminate tool- related hazards. Employees who use hand and power tools and are exposed to the hazards of falling, flying, abrasive, and splashing objects, or to harmful dusts, fumes, mists, vapors, or gases must be provided with the appropriate personal protective equipment. All electrical connections for these tools must be suitable for the type of tool and the working conditions (wet, dusty, flammable vapors). When a temporary power source is used for construction a ground- fault circuit interrupter should be used. Employees should be trained in the proper use of all tools. Workers should be able to recognize the hazards associated with the different types of tools and the safety precautions necessary.
Five basic safety rules can help prevent hazards associated with the use of hand and power tools: Keep all tools in good condition with regular maintenance. If a hazardous situation is encountered, it should be brought immediately to the attention of the proper individual for hazard abatement.
The following sections identify various types of hand and power tools and their potential hazards. They also identify ways to prevent worker injury through proper use of the tools and through the use of appropriate personal protective equipment. What Are the Hazards of Hand Tools? Hand tools are tools that are powered manually. Hand tools include anything from axes to wrenches. The greatest hazards posed by hand tools result from misuse and improper maintenance.
Some examples include the following: If a chisel is used as a screwdriver, the tip of the chisel may break and fly off, hitting the user or other employees. Employers shall not issue or permit the use of unsafe hand tools. Employees should be trained in the proper use and handling of tools and equipment.
Employees, when using saw blades, knives, or other tools, should direct the tools away from aisle areas and away from other employees working in close proximity. Knives and scissors must be sharp; dull tools can cause more hazards than sharp ones.
Cracked saw blades must be removed from service. Wrenches must not be used when jaws are sprung to the point that slippage occurs.
Impact tools such as drift pins, wedges, and chisels must be kept free of mushroomed heads. The wooden handles of tools must not be splintered. Iron or steel hand tools may produce sparks that can be an ignition source around flammable substances.
Where this hazard exists, spark- resistant tools made of non- ferrous materials should be used where flammable gases, highly volatile liquids, and other explosive substances are stored or used. What Are the Dangers of Power Tools?
Appropriate personal protective equipment such as safety goggles and gloves must be worn to protect against hazards that may be encountered while using hand tools. Workplace floors shall be kept as clean and dry as possible to prevent accidental slips with or around dangerous hand tools. Power tools must be fitted with guards and safety switches; they are extremely hazardous when used improperly. The types of power tools are determined by their power source: electric, pneumatic, liquid fuel, hydraulic, and powder- actuated.
To prevent hazards associated with the use of power tools, workers should observe the following general precautions: Never carry a tool by the cord or hose. Do not hold fingers on the switch button while carrying a plugged- in tool. Loose clothing, ties, or jewelry can become caught in moving parts.
Belts, gears, shafts, pulleys, sprockets, spindles, drums, flywheels, chains, or other reciprocating, rotating, or moving parts of equipment must be guarded. Machine guards, as appropriate, must be provided to protect the operator and others from the following: Point of operation. Portable circular saws having a blade greater than 2 inches (5. An upper guard must cover the entire blade of the saw. A retractable lower guard must cover the teeth of the saw, except where it makes contact with the work material. The lower guard must automatically return to the covering position when the tool is withdrawn from the work material. Operating Controls and Switches.
The following hand- held power tools must be equipped with a constant- pressure switch or control that shuts off the power when pressure is released: drills; tappers; fastener drivers; horizontal, vertical, and angle grinders with wheels more than 2 inches (5. These tools also may be equipped with a . The following hand- held power tools must be equipped with either a positive . It is recommended that the constant- pressure control switch be regarded as the preferred device. Other hand- held power tools such as circular saws having a blade diameter greater than 2 inches (5.
Electric Tools. Employees using electric tools must be aware of several dangers. Among the most serious hazards are electrical burns and shocks. Electrical shocks, which can lead to injuries such as heart failure and burns, are among the major hazards associated with electric- powered tools. Under certain conditions, even a small amount of electric current can result in fibrillation of the heart and death. An electric shock also can cause the user to fall off a ladder or other elevated work surface and be injured due to the fall. To protect the user from shock and burns, electric tools must have a three- wire cord with a ground and be plugged into a grounded receptacle, be double insulated, or be powered by a low- voltage isolation transformer.
Three- wire cords contain two current- carrying conductors and a grounding conductor. Any time an adapter is used to accommodate a two- hole receptacle, the adapter wire must be attached to a known ground. The third prong must never be removed from the plug. Double- insulated tools are available that provide protection against electrical shock without third- wire grounding. On double- insulated tools, an internal layer of protective insulation completely isolates the external housing of the tool.
The following general practices should be followed when using electric tools: Operate electric tools within their design limitations. Abrasive wheel tools must be equipped with guards that: (1) cover the spindle end, nut, and flange projections; (2) maintain proper alignment with the wheel; and (3) do not exceed the strength of the fastenings. Before an abrasive wheel is mounted, it must be inspected closely for damage and should be sound- or ring- tested to ensure that it is free from cracks or defects. To test, wheels should be tapped gently with a light, non- metallic instrument.
If the wheels sound cracked or dead, they must not be used because they could fly apart in operation. A stable and undamaged wheel, when tapped, will give a clear metallic tone or . The spindle nut must be tightened enough to hold the wheel in place without distorting the flange. Always follow the manufacturer's recommendations.
Take care to ensure that the spindle speed of the machine will not exceed the maximum operating speed marked on the wheel. An abrasive wheel may disintegrate or explode during start- up.
Allow the tool to come up to operating speed prior to grinding or cutting.