tools and functions r7axws3bnu
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Tools and Functions
http://www.youtube.com/watch?v=tR7AxwS3BnU
Screwdrivers
• Philips • Robertson• Flat head• Torx• Allan• Different Sizes.
Pry bars
• Used in applications that require leverage to remove a part.
• Comes in many different sizes, angles.
Wrench's
• Why do we use different size wrenches? --Imperial example: 1/2 1/4 5/8 3/8 15/16 ---Metric example: 5mm, 10mm, 12mm, 17mm
- Toyota bolts- 10mm,12,14,17,19,21-Bmw- 10mm,11,14,16,18
Different types of wrench's• Open end: used in tight spots
• Close end: better grip of bolts
• Combinations: combinations of both
• 12 point
• 6 points
• Adjustable wrench
Sockets
• Chrome and impact
• Short and long
• 12 point and 6 point
• 1/4, 3/8 ,1/2 sizes
Socket handles
• Ratchets
• Breaker bar
• Speed handle
Extensions
• Comes in different lengths, sizes and materials.
• Used to increase the length of a socket
Torque Wrench's
• Measure how tight a nut or bolt is• Many cars nut and bolts should be tighten toa certain amount of torque specifications . - Torque specifications are expressed in Newton-metres (metric) or foot pounds
Files
• Used commonly to shape smooth metal edges. Very in sizes and coarseness.
Part 2
• http://www.youtube.com/watch?v=ezgXqyvfzUs&feature=related
Pliers
• Needle nose, have long, tapered jaws.• Used for holding small parts or for reaching
into tight spots.
Pliers
• Side cutters, used to cut electrical connections• Wires on a vehicle •
General Pliers
• Combination pliers/ General pliersUsed for many kinds of application process. Jaws
have both flat and curved surfaced for holding flat or round objects
Pliers
• Channel locks. Adjustable, used to grab different size bolts and nuts.
• Could also be used to grab objects. • used to pinch and grab without affecting the
distance between the handles.
Vice Grips/ locking pliers
• Intended to hold things that you can’t get a great grip on, and to provide leverage when you need it
Impact gun
- Impact gun, can be electric or pneumatic (air)-Used to loosen and tighten bolts and nutsfast
Air ratchet
• Like a hand held ratchet, uses to loose and tighten bolts and nuts.
• Pneumatic (air) operated• Comes in 1/4’ 3/8’ 1/2’ drive
Air drill and cut off wheel
• Used with compressed air to drill. Used just in the same manner as electric drill
• Die grinders used with compressed air to cut, trim metal. Can also be used to cut nuts and bolts
Hammers
• Uses are for driving nails, fitting parts, forging metal and breaking up objects. Hammers are often designed for a specific purpose, and vary widely in their shape and structure.
Punches/Chisels
- Chisels used to cut metal by driving them with a hammer
- Punches used for driving out pins, rivets, or aligning holes.
-
Floor jacks and jack stands
• Used to raise vehicle up. Most common type is hydraulic jacks.
• Floor jacks are placed under vehicle recommended lift points to support vehicle safely off the ground.
Tire pressure
• Tire pressure gauge, used to accurately measure tire pressure. Usually unit of measure is PSI (pounds per square inch)
• Tire chuck, used to add air to tires.
Quiz
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