INTRO Chap 4 Flashcards
One of the most important rules about working with power tools is to always what?
Disconnect the power source for any tool before you replace parts.
Any replacement part such as what? 3 bbd
Bits
Blades
Discs
Always ———-the power source before you perform maintenance on any tool.
Disconnect
Never activate the ——— on any power tool
Trigger lock
Tools powered by electricity.
Electric tools
Electric tools are operated either an——- or a ——–
Alternating current
Direct current
Alternating current source
Wall receptacle
Direct current source
battey
Tools powered by fluid pressure
Hydraulic tools
2 things used to produce fluid pressure.
Hand pumps
Electric pumps
Examples of hydraulic tools
Pipe benders
jack hammers
Porta-powers
All bits are held in the drill by the what
drill chuck
Chucks can either be
Keyed
Keyless
To prevent any shock, operate only those tools that are ————– with proper —————
Double insulated
Ground fault protection
Device protects the equipment from continued electrical current in case of a circuit fault.
Ground Fault Circuit Interrupter (GFCI)
The GFCI monitors the current flow and opens the circuit (which stops the flow of electricity) if it detects a difference between positive and negative flow.
T
How long does the interruption typically takes place
less than 1/10 of a second
Make sure the drill bit is ——-in the chuck before you start the drill.
Tightened.
Keep the drill’s air vent ——-with a small brush or small stick.
Clean
Crucial to the maintenance and safety of a drill.
Airflow
Powered by compressed air from an air hose.
Pneumatic drills
Pneumatic drills have many of the same parts, controls and uses as electric drills.
T
When is the Pneumatic drill typically used?
When there is no source of electricity.
The blade of a circular saw is protected by —– —–
2 guards
On top of a circular guard, a rigid plastic guard protects you from ———– & —————-
Flying debris
Touching the spinning blade (if you lean forward accidentally.)
Saber saws are sometimes reffered as ————
Jig Saws
Saber saws have
very fine blades
The Saber saw is very effective for doing ——— &————-
Delicate
Intricate
Saber saws can cut our patterns or irregular shapes from wood or thin, soft metals.
T
Before you plug the saw into a power source, make sure the switch is what
in the OFF position
The miter saw is what?
Miter Box + Circular Saw
The miter saw can make what?
Straight and miter cuts.
3 types of grinders?
Angle
End
Detail
Used to grind away hard, heavy materials and to grind surfaces such as pipes, plates or welds.
Angle Grinders
Always use the ———– as a support when you are grinding or beveling metal pieces.
Adjustable tool rest
( Bench Grinder) There should be a maximum gap of ——— between the tool rest and the wheel and ———- between the top guard and wheel.
1/8”
1/4”
Make sure the ———is placed on a secure surface.
bench grinder
When using a power nailer, 1st step is to …
Also wear what………..
Read the manufacturer’s instructions before using a pneumatically powered nailer.
Wear appropriate personal protective equipment.
Keep the nailer oiled according to the…………
manufacturer’s recommendations.
If the nailer is not firing,———-
disconnect the air hose before you attempt repairs.
For an air impact wrench…
Keep your body stance balanced
Air impact wrench is aka
impact wrench.
