Transcript Slide 0 Introduction to Power Tools Module 00104-09 National Center for Construction Education and Research Core Curriculum Module 00104-09 Copyright © by NCCER, Published by Pearson Education, Inc. Slide 1 Objectives Upon completion.

Slide 0
Introduction to Power Tools
Module 00104-09
National Center
for Construction
Education and
Research
Core Curriculum
Module 00104-09
Copyright © by NCCER,
Published by Pearson Education, Inc.
Slide 1
Objectives
Upon completion of this module, you will be able to:
1.
2.
3.
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Identify power tools commonly used in the construction trades.
Use power tools safely.
Explain how to maintain power tools properly.
Core Curriculum
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Slide 2
Performance Tasks
1. Safely and properly use three of the following tools:
•
•
•
•
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Safely and properly operate an electric drill.
Safely and properly operate a circular saw.
Safely and properly operate a SawZall®.
Safely and properly operate a pneumatic power nailer.
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Slide 3
This module introduces three types of power tools:
electric, pneumatic, and hydraulic.
WARNING: If you have not completed the “BASIC SAFETY”
module, stop here! You must complete the Basic Safety module
first. Also, you must wear appropriate personal protective
equipment when you operate any power tool or when you are
near someone else who is operating a power tool.
One of the most important rules about working with power tools is
to always disconnect the power source for any tool before you
replace parts such as bits, blades, or discs.
Never activate the trigger lock on any power tool.
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Slide 4
Types of Power Drills:
•
•
•
•
•
•
Electric drills
Cordless drills
Hammer drills
Electromagnetic drills
Pneumatic drills
Electric screwdrivers
An example of an A/C power source is a
wall receptacle.
To protect from electric shock, power tools
should only be used with a GFCI
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Figure 1 – Parts of the power drill
Slide 5
Keep a drills air
vents clear with a
small stick or
brush.
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Figure 2 – Drill bits
Slide 6
Drill wood and plastic at lower speeds or
to drill metal at a lower speed.
Is used on wood and is particularly good
for drilling a flat bottomed hole.
Is used for drilling holes in wood.
A masonry bit has a carbide tip and is used
to drill holes in concrete, stone, slate, and
ceramic.
The auger bit is used to drill holes in wood
and other soft materials. It cannot be used on
metal!
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Drill bits are held in place by chucks.
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Slide 7
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Figure 3 – Chuck key
Slide 8
WARNING: Always remember to remove the key from the
chuck! Otherwise, when you start the drill, the key could
injure you or a co-worker.
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Figure 4 – Proper drill use
Slide 9
• Before you start
drilling, make sure
the drill is tightened
in the chuck.
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Figure 5 – Cordless drill
Slide 10
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Figure 6 – Loading the bit on a cordless drill
Slide 11
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Figure 7 – Hammer drill
Slide 12
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Figure 9 – Proper use of a hammer drill
Slide 13
• When using a power drill, proper ground fault
protection will prevent electric shock
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Slide 14
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Figure 10 – Electromagnetic drill
Slide 15
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Slide 16
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Figure 11 – Pneumatic drill
Slide 17
• A pneumatic drill is used when
there is no source of electricity.
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Figure 12 – Proper use of a pneumatic drill
Slide 18
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Figure 13 – Circular saw
Slide 19
• Before you plug ANY saw into a power
source, make sure the power switch is in the
OFF position.
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• Never use a circular saw without an upper
guard because the guard protects you from
touching the blade.
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Slide 20
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Figure 15 – Saber saws
Slide 21
• Saws with fine
blades that are
excellent for
delicate and
intricate cutting
are called saber
saws.
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Slide 22
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Figure 17 – Reciprocating saw
Slide 23
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Figure 19 – Portable handheld bandsaw
Slide 24
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Figure 20 – Proper use of a portable bandsaw
Slide 25
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Figure 21 – Miter saws
Slide 26
• A power miter saw
combines a miter
box with a circular
saw.
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Figure 22 – Abrasive cutoff saw
Slide 27
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Slide 28
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Figure 23 – Angle grinders
Slide 29
• An angle
grinder is
used to grind
hard, heavy
materials
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Figure 24 – End grinder
Slide 30
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Slide 31
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Figure 25 – Detail grinder and points
Slide 32
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Figure 26 – Bench grinder
Slide 33
• The tool rest on a bench grinder should be
positioned 1/8” from the wheel.
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Slide 34
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Slide 35
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Slide 36
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Figure 28 – Pneumatic nailer
Slide 37
• The first step when using a
pneumatically powered nailer is
to read the manufacturer’s
instructions.
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• Some manufacturers
suggest that each time
you use a pneumatic
nailer, the air inlet needs
a few drops of oil.
• If a pneumatic nailer is not
firing properly, before you
attempt repairs, you must
disconnect the air hose.
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Slide 38
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Slide 39
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Figure 30 – Powder-actuated fastening system
Slide 40
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Slide 41
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Slide 42
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Figure 31 – Air impact wrench
Slide 43
• When using an air wrench, keep
your body stance balanced.
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Figure 32 – Typical demolition tools and attachments
Slide 44
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Figure 32 – Typical demolition tools and attachments
Slide 45
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Figure 33 – Portable hydraulic jack
Slide 46
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Figure 34 – Porta-Power®
Slide 47
• A Porta Power is an example of a hydraulic
tool.
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Slide 48
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Slide 49
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Supplemental Art
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Slide 50
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Supplemental Art
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