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Showing posts with label Power Tools Safety. Show all posts
Showing posts with label Power Tools Safety. Show all posts

SAFETY SERIES: - 4 | Portable Electric Hand Tools and Lights


Portable Electric Hand Tools and Lights

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Electrically operated power tools cause the same types of accidents as hand tools. But the injuries are usually more severe.
Electric shock is the chief potential hazard from electrically powered tools. Therefore, when using such tools, make sure they are grounded at all times.

Safe working instructions for these tools are briefed below.

  • The insulation on electric cords must not be broken, cracked, missing or damaged.
  • Never tamper with or remove three-prong grounding plugs or pins. This eliminates the grounding protection. When grounded outlets are not available – as may be found in older buildings – adapter plugs shall be used with the green grounding wire secured to a positive ground.
  • Double insulated tools with two-prong plugs or pins can be used instead of tools with three pin plugs, if they are distinctively marked with words “Double insulated”.
  • When using extension cords, make sure the cord is plugged into a grounded outlet of correct voltage and the cord is capable of carrying the expected load.
  • Flexible cords must be used in continuous lengths without splice or tape.
  • Electric cords must not be run through the holes in walls, ceilings or floors. If run through doorways, windows, or similar openings, they must be protected from damage.
  • Never use defective power tools or cord sets. When repairs cannot be made immediately, the tool must always be removed from service. As an additional precaution against unintended use, cut off the plug end when removing from service.
  • Portable lights shall be equipped with guards to prevent accidental contact with the bulb. Unless guards and handles are properly grounded, they must be made from non-conductive materials.
  • Portable lights must not be suspended by their electric cords, unless cords and lights are designed for this means of suspension.
  • Work areas, walkways and similar locations shall be kept clear of all cords so as not to create a hazard to employees or subject cords to damage.
  • Do not lift or lower portable electric tools by the power cord. Never throw tools, equipment or material from one work level to another.
  • Keep all cords coiled when not in use. To prevent cord damage do not wrap cords tightly around tools.
  • Disconnect power when adjusting the tool, brushing away chips, cleaning the tool etc. 

SAFETY SERIES:-1 | Power Tools Safety

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Safety Series: 1


While using power tools a large number of accidents occur, largely due to human error and deficiencies in Earthing. If proper precautions are followed, these accidents can be minimized considerably. To protect yourself follow the following guidelines:

  • Familiarize yourself with the tool before using it.
  • Always follow manufacturer’s instructions for operation and maintenance.
  • Make it a habit to inspect the tool before using it and ensure that it is not in damaged condition.
  • While using power tools, wear close fitting clothes and cover your hair, if it is long.
  • Wear correct type of personal protective equipment such as safety glasses.
  • If the power tool is fitted with a guard, never remove it.
  • Never leave power tools unattended, if they are plugged in.
  • Ensure that power tools are properly grounded and avoid using them in wet conditions.
  • Never use any power tool that has cracks or defective wires as it could lead to fire or electrical shock.
  • After use, clean and store the tools properly.
Hence Handle Power tools with care.

Tools Safety : Hazards of Power Tools ( Electric Tools )

Topic : Tools Safety

Hazards of Power Tools ( Electric Tools )

People using electric tools must be aware of several dangers. Among them most serious hazards are electrical shocks, burns and falls. Electric shocks can cause various injuries, which are explained in another chapter. It also can cause the user to fall off a ladder or other elevated work surface and be injured due to fall.

To prevent hazards associated with the use of power tools, workers should observe the following general precautions.

  • Use power tools having three wire system with ground, double insulated, or low voltage/ battery powered. Make sure of ground continuity for three wire cords.
  • Never carry an electric tool by the cord.
  • Never pull the cord to disconnect it from the receptacle.
  • Keep cords away from heat, water, oil and sharp edges.
  • Disconnect tools when not using them, before servicing and cleaning, and when changing accessories such as blades, bits, and cutters.
  • Keep all people not involved with the work at a safe distance from the work area.
  • Secure work with clamps or a wise .Use both hands to operate a power tool.
  • Avoid accidental starting. Do not hold fingers on the switch button while carrying a plugged in tool.
  • Maintain tools with care: Keep them sharp and clean for best performance.
  • Follow instructions in the users manual for lubricating and changing accessories.
  • Be sure to keep good footing and maintain balance when operating power tools.
  • Use proper PPE’s for the task. Loose clothing or jewelry can become caught in moving parts.
  • Remove all damaged portable electric tools from use and tag them “Do not use ”
  • Do not use electric tools in damp or wet locations.
  • Keep work areas well lighted when operating electric tools.
  • Ensure that cords and extensions do not present a tripping hazard.

Tools Safety : Pneumatic Tool Safety

Topic : Tools  Safety 

Pneumatic Tool Safety

Pneumatic tools are powered by compressed air and include chippers, drills, hammers, nail and staple guns and others. Air-powered tools present the same hazards as their electrically powered counterparts, plus hazards you may not have considered. 

Hazards to watch for:

  • Potential to be hit by one of the tool’s attachments you are using with the tool.
  • Inappropriate air pressure can cause the tool to malfunction.
  • Excessive noise levels.
  • Flying particles created by tool or by blowing air.

Safe procedures:

  • Review manufacturer’s instructions before use.
  • Ensure proper air pressure for the tool.
    • Pressure that is too high can cause too much torque and excessive force causing tool or work piece breakage and injury.
    • Pressure that is too low may cause the tool to under perform, which may encourage the user to apply excessive force causing tool breakage and injury.
  • Wear appropriate hearing protection. Pneumatic tools discharge exhaust air at or near the tool which typically is not muffled.
  • Be aware of the potential for oil or antifreeze in the supplied air being discharged in the user’s work environment.n Ensure proper ventilation.
  • If hands become oily, frequently wipe hands and tools to prevent loss of grip.
  • Wear gloves when necessary. If the air discharges on the user’s hands the temperature could be low enough to cause fingers to stiffen or even cause frostbite.
  • Ensure that all electrical power in the immediate work area is isolated to prevent electrical shock.
  • Inspect air hoses for cuts, bulges, and abrasions and protect hoses from damage. If an air hose is severed, it can whip around violently until the air is shut off.
  • Always wear eye and face protection. Compressed air and particles may fly from equipment and cause pain and injury.
  • Do not use compressed air for cleaning unless no alternate method of cleaning is available. When used for cleaning, the nozzle pressure must remain below 30 psi.
  • Do not carry any pneumatic tool by its hose.
Pneumatic tools work best when you give them the respect they deserve. Always maintain pneumatic tools and follow these safety guidelines to prevent injury and property damage.

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