Guards
The exposed moving parts of power tools need to be safe-guarded. 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 (cutting, shearing, punching, etc.)
- in-running nip points
- rotating parts
- flying chips and sparks
Safety guards must never be removed or modified when a tool is being used.
Follow these rules when using circular saws:
- Portable circular saws with a blade greater than 2 inches (5.08 centimeters) in diameter must be equipped at all times with guards.
- 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- The lower guard must automatically return to the covering position when the tool is withdrawn from the work material.
Grooming
Protect your hair, scalp, and head. Pull back long hair in a band or a cap to keep it from getting caught in tools or moving parts. Be extremely careful with long hair when using a drill or drill press.
Knowledge Check Choose the best answer for the question.
2-2. Portable circular saws must be equipped at all times with guards if their blades are greater than _____ in diameter.
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