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The exposed moving parts of power tools need to be safe- guarded. Belts, gears, shafts, pulle ys, sprockets, spindles, drums, flywheels, chains, or other reciprocating, rotating, or mo ving parts of equipment must be guarded.Use a safety clip or retainer to prevent attachments from being ejected during operation, and use a chip guard when using high-pressure compressed air for cleaning. Be sure to limit the nozzle pressure to 30 pounds per square inch. Always wear eye protection. Use screens to protect nearby workers from flying fragments.All hand-held powered circular saws having a blade diameter greater than 2 inches, electric, hydraulic or pneumatic chain saws, and percussion tools without positive accessory holding means shall be equipped with a constant pressure switch or control that will shut off the power when the pressure is released.
What should you guard when using power tools?
Use a safety clip or retainer to prevent attachments from being ejected during operation, and use a chip guard when using high-pressure compressed air for cleaning. Be sure to limit the nozzle pressure to 30 pounds per square inch. Always wear eye protection. Use screens to protect nearby workers from flying fragments.
What safety feature is required on all power tools to prevent them from working if the operator releases the switch?
All hand-held powered circular saws having a blade diameter greater than 2 inches, electric, hydraulic or pneumatic chain saws, and percussion tools without positive accessory holding means shall be equipped with a constant pressure switch or control that will shut off the power when the pressure is released.
POWER TOOLS
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Why are guards in place on power tools?
The safeguards prevent workers hands, arms and other body parts from making contact with dangerous moving parts. Special guards, enclosures or personal protective equipment have been provided, where necessary to protect workers from exposure to harmful substances used in machine operations.
Which of the following machine parts always require guards quizlet?
The shafting, flywheels, pulleys, belts, chain drives, etc. of power transmission apparatus less than 7 feet from the floor or working platform must be guarded.
What is the proper safety guard for power saws?
An upper guard must cover the entire blade of the saw. A retractable lower guard must cover the teeth of the saw, except when 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.
What is machine guarding OSHA?
Machine guarding. 1910.212(a)(1) Types of guarding. One or more methods of machine guarding shall be provided to protect the operator and other employees in the machine area from hazards such as those created by point of operation, ingoing nip points, rotating parts, flying chips and sparks.
When using power tools you should guard OSHA?
Power tools must be fitted with guards and safety switches; the y are extremely hazardous when used improperly. The types of power tools are determined by their po wer source: electric, pneumatic, liquid fuel, hydraulic, and po wder-actuated.
See some more details on the topic Which of the following are moving parts on power tools that must be guarded? here:
Common Moving Parts That Must Be Guarded On Power Tools
Safety guards must never be removed or modified when a tool is being used. Follow these rules when using circular saws: Portable circular saws …
1926.300 – General requirements. – Occupational Safety and …
When power operated tools are designed to accommodate guards, they shall be … rotating or moving parts of equipment shall be guarded if such parts are …
Power Tool Safety Guards, Operating Controls and Switches
Safety Guards: The exposed moving parts of power tools need to be safe-guarded. Belts, gears, shafts, pulleys, sprockets, spindles, drums, flywheels …
Hand and Power Tool Safety OSHAcademy free online training
Hazardous moving parts of a power tool need to be safeguarded. … The following hand-held powered tools must be equipped with a momentary contact on-off …
What are some general OSHA guidelines when using power tools?
- Never carry a tool by the cord.
- Never yank the cord to disconnect it from the receptacle.
- Keep cords away from heat, oil, and sharp edges (including the cutting surface of a power saw or drill).
- Disconnect tools when not in use, before servicing, and when changing accessories such as blades, bits, etc.
What requirements are necessary to protect an electric tool user from shock?
To protect the user from shock, tools must have a three-wire cord with a ground prong and be grounded, double insulated, or powered by a low-voltage isolation transformer. Three-wire cords: These cords contain two current-carrying conductors and a grounding conductor.
Which types of moving parts need guarding?
- The point of operation. That point where work is performed on the material, such as cutting, shaping, boring, or forming of stock.
- Power transmission apparatus. …
- Other moving parts.
What are safety guards used for?
protective measures consisting of the use of specific technical means, called safeguards (guards, protective-devices), to protect workers from hazards that cannot be reasonably removed or sufficiently limited by design.”
What are the 4 types of machine guards?
- Fixed.
- Interlocked.
- Adjustable.
- Self-adjusting.
Hand And Power Tool Safety (2018)
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Which of the following are all machine safeguarding requirements except?
The following are all machine safeguarding requirements except: Must prevent workers from lubricating a machine without removing the safeguard.
Do exhaust machines need safeguards?
Yes, you really do need to safeguard machines in your workplace. But to what extent can be a matter of interpretation based on minimum safety requirements (OSHA regulations), or best safety practices (ANSI standards).
What do Guards do to protect the worker OSHA?
Guards provide physical barriers that prevent access to dangerous areas. Safeguarding devices either prevent or detect operator contact with the point of operation or stop potentially hazardous machine motion if any part of a worker’s body is within the hazardous portion of the machine.
What are the three primary categories of machine guarding?
- Guards – these are physical barriers that prevent contact. …
- Devices – these limit or prevent access to the hazardous area. …
- Automated Feeding and Ejection Mechanisms – These eliminate the operator’s exposure to the point of operation while handling stock (materials).
Are guards required on angle grinders?
Personal protective gear, such as safety glasses and a face shield, and other PPE are often required as well. OSHA regulations require the use of guarding on angle grinders.
What is the OSHA regulation code regarding tool safety?
1910.242 – Hand and portable powered tools and equipment, general.
Which OSHA parts always require guards?
General Requirements
29 CFR 1910.212(a)(1) states that one or more methods of machine guarding must be used to protect operators and other employees from hazards, including those created by point of operation, in-running nip points, rotating parts, flying chips and sparks.
What is a guard on a machine?
Machine guards are protective devices that cover moving pieces of machinery that may pose a danger to workers. Moving machine parts present a hazard to machine operators and flying debris can affect anyone in the vicinity of a machine.
What are the most common types of machine guarding?
- Fixed guards.
- Interlocking guards.
- Adjustable guards.
- Self-adjusting guards.
When using power tools you should guard exposed rotating parts?
Belts, gears, shafts, pulleys, sprockets, spindles, drums, fly wheels, chains, or other reciprocating, rotating or moving parts of equipment shall be guarded if such parts are exposed to contact by employees or otherwise create a hazard.
Cleaning and Boxing again my Power Tools Part 2
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Does OSHA require guards on grinders?
All grinding machines shall be supplied with sufficient power to maintain the spindle speed at safe levels under all conditions of normal operation. Guarding. Grinding machines shall be equipped with safety guards in conformance with the requirements of American National Standards Institute, B7.
Which OSHA standards cover hand and power tool safety?
1926.302 – Power-operated hand tools. Occupational Safety and Health Administration.
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