Chapter Objectives After studying this chapter you will be able to Identify common automotive hand tools List safety rules for hand tools Select the right tool for a given job Maintain and store tools properly ID: 445603
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Slide1
3
Basic Hand Tools
Chapter Slide2
ObjectivesAfter studying this chapter, you will be able to:
Identify common automotive hand tools.List safety rules for hand tools.
Select the right tool for a given job.
Maintain and store tools properly.
Use hand tools safely.
Explain why insulated tools must be used when servicing electric drive trains.
Correctly answer ASE certification test questions referring to hand tools.Slide3
Tool RulesPurchase quality tools, they are lighter, stronger, easier to use, and more dependable than off-brand, bargain toolsKeep tools organized
Keep tools clean- wipe clean and dry after useUse right tool for jobSlide4
Tool StorageToolboxStores and protects tools not in use
Tools left lying on the floor are a safety hazard
(Snap-on Tool Corp.)Slide5
WrenchesWrenchesUsed to install and remove nuts
and bolts Wrench sizeMeasured across wrench jaws
S
tamped
on
side
of
wrenchConventional (inches)Metric (millimeter)Slide6
Socket Wrenches
Socket
Cylinder-shaped
Remove nuts and bolts
1/4”, 3/8” and 1/2” drive sizes
6pt and 12pt (most common)
Deep or shallow
Chrome or impact
Socket size printed onSocket (ex 13/16” or 21mm)Slide7
Other Wrench TypesAllen wrenchHexagonal (six-sided) shaft-type wrench
Used for set screws on pulleys, gears, and knobsSlide8
ScrewdriversRemove or install screwsCome in many shapes and sizes
Standard has single bladePhillips has 2 crossing blades
(Snap-on Tool Corp.)Slide9
Types of WrenchesOpen-end wrenchesBox-end wrenches
Combination wrenchesLine wrenchesRatcheting wrenches
Socket wrenchesSlide10
Tools
Socket
Torque Wrench
Ratchet
ExtensionSlide11
PliersUsed to grip, cut, crimp, hold, and bend various partsVarious typesSlide12
HammersUsed for operations that involve striking tool or partVarious types
Slide13
Chisels and PunchesChiselsCut off damaged or rusted nuts, bolts, and rivet heads
Punches
(Snap-on Tool Corp., OTC/SPX Corp., and Proto Tools)Slide14
FilesRemove burrs, nicks, sharp edgesPerform other smoothing operations
Classified by length, shape, and cutting surface
(Starrett)Slide15
Hacksaw and viseHacksawCut metal
Select appropriate blade for jobTeeth should point away from handle
Place one hand on handle and other on end of frame
Vise
– used to hold parts during cuttingSlide16
Tools
C Clamp
Pry Bars
Wire Brush
Scraper
Insulated Pliers
Claw type pick up tool