Explains the uses, selection, safety, and care of industrial power tools: electric drills, electric hammers, pneumatic drills and hammers, screwdrivers, nutrunners, wrenches, linear-motion and circular saws, routers and planes, electric sanders, grinders, and shears. Covers tool sharpening techniques for selected tools.

Lesson 1 - Electric Drills

Topics:

Construction; Light- and heavy-duty drills; Accessories; Drill sizes and bits; Use and maintenance; Safety

Learning Objectives:

• Name four parts that are common to both the light-duty drill and the heavy-duty drill.
• Name the parts of a drill bit.
• Explain how to drill a blind hole.
• Explain how to inspect a drill bit, both visually and through testing.
• List the safety rules to follow when using electric power tools.

Lesson 2 - Electric Hammers

Topics:

Operation; Bits and chisels; Self-drilling anchors; Mechanical, electrical, and environmental safety

Learning Objectives:

• Explain the difference in hammering action between a percussion hammer and a rotary hammer.
• Select the proper chisel to use for each of the following jobs: brick cleaning; general demolition work; edging, chipping, and channeling; and removing floor tile.
• List the precautions that should be taken to ensure electrical safety when using an electric hammer.
• Name two safety items to use when operating an electric hammer in damp or wet areas.

Lesson 3 - Pneumatic Drills and Hammers

Topics:

Drill types and sizes; Bits; Operation; Hammer types; Chipping and scaling; Star drilling; Riveting; Tampers; Needle scalers; Diggers; Maintenance

Learning Objectives:

• Explain how drill size is determined.
• Describe the chiseling action of a bull point chisel when it is used to clean masonry seams.
• Describe how to use a rivet buster.
• Explain drill speed requirements.
• Identify various types of drill bits used in pneumatic hammers.

Lesson 4 - Screwdrivers, Nutrunners, and Wrenches

Topics:

Types; Clutch mechanisms; Power wrenches; Bits and sockets; Operation; Lubricators and moisture separators; Safety

Learning Objectives:

• Identify the operating advantages of pneumatic tools.
• Define stalling torque.
• Describe the clutch action of direct drive, positive drive, and adjustable torque drive.
• Explain how to install a bit in an electric screwdriver.
• Describe how to install multiple fasteners correctly in a circular pattern.
• List safety rules to follow when using power screwdrivers and wrenches.
• Describe the difference between pneumatic and electric nutrunners.

Lesson 5 - Linear-Motion Saws

Topics:

Straight-blade power saws; Saber saws; Plunge and straight cutting; Cutting metal; Reciprocating saws and blades; Band saws

Learning Objectives:

• List other names for both the saber saw and the reciprocating saw.
• Describe the cutting action of a saber saw.
• Explain how to draw a saw blade with regular set teeth and one with wavy set teeth.
• Explain how to plunge cut a rectangular opening.
• List the types of band saw blades described in this Lesson and a few characteristics of each

Lesson 6 - Circular Saws

Topics:

Blades; Crosscutting; Ripping; Angular cutting; Plunge cutting; Notching and grooving; Cut-off wheels; Arbors; Accessories; Safety

Learning Objectives:

• Name the major parts of a circular saw.
• Describe the cutting action of a circular saw.
• List the factors that determine feed speed.
• State the definition of an arbor.
• Identify different types of blades.

Lesson 7 - Routers and Planes

Topics:

Router characteristics; Collet chucks; Bits; Direction of feed; Grooves and dadoes; Rabbet cuts; Trim; Circular cuts; Plane characteristics; Safety

Learning Objectives:

• Discuss how to use a router.
• Name the major parts of a router.
• Explain how to use a router and bit.
• Identify a rabbeting joint, a straight joint, and a mortising joint.
• Explain how to adjust and use a power plane.

Lesson 8 - Electric Sanders

Topics:

Belt, pad, orbital, and oscillating sanders; Use and maintenance; Disk sanders; Safety

Learning Objectives:

• Explain how to install a sanding belt.
• Identify different types of sanding belts.
• Explain how to flush the gear chamber of a belt sander.
• Discuss the assembly of a sanding disk.
• List the safety rules to follow when using a disk sander.

Lesson 9 - Grinders and Shears

Topics:

Grinder selection; Wheel classification; Mounting grinding wheels; Maintenance; Safety; Shears and nibblers selection and use

Learning Objectives:

• State the meaning of each symbol in the six-symbol standard marking system for grinding wheels.
• Explain the correct procedure for mounting a grinding wheel.
• List safety rules to follow when using a grinder.
• Discuss how to maintain grinders.

Lesson 10 - Tool Sharpening

Topics:

Whetstones; Using a bench grinder; Sharpening chisels, drill bits, screwdrivers, pointed tools, reamers, taps, and dies; Other methods

Learning Objectives:

• State the reasons for sharpening tools.
• Explain the use of whetstones
• Identify a bench stone.
• Explain how to sharpen taps, dies, screwdrivers, and chisels.