Portable Power And Air Tools Flashcards
What are some key safety rules when using portable power and air tools?
- always wear eye protection
- inspect tools prior to use
- inspect each tool before use
- never run attachments faster then recommend speed
- never use or modify attachments
- insure guards are in place
- allow tool to run for a minute before using
- use tool for what it is designed
- always allow tool to freewheel to stop
- don’t wear loos clothing
- control direction of sparks
- corded power tools must have three prong grounding or be double insulated
What is a GFCI
A ground fault circuit interrupter constantly monitors electrical current flowing through a circuit.
GFIC provide three kinds of protection: overload, over current, and ground fault protection
When should GFCI be used?
When you could damage your extension cord.
When using in damp conditions.
What tools can you use with impact wrench’s?
Tools rated for impact service.
What determines the size of a drill?
The chuck
What are the characteristics of heavy-duty drills?
Slower speed/higher tourque
What are right angled drills for?
Close quarter drilling
What are hammer drills used for?
Drilling holes in masonry, concrete, or other hard materials .
How do hammer drills work?
Hammer drills add hammering action to the rotation of the bit to pulverize the material under the bit
What type of tip is on a masonry bit?
Carbide
What is a die grinder used for?
Polishing work, removing burrs.
What are the 5 types of portable grinding wheels?
Wire wheels Buffering wheels Grinding discs Sanding discs Flap wheels
What is the most important safety device for air tools?
The operator
What are the two main hazards when using die grinders and angle grinders?
Over speed and improperly placed guards.
What are the main hazards when using air drills?
Over speed, lack of proper bracing, and carelessness
