Automotive Electrical and Electronic Systems Classroom Manual Fifth Edition Update by John F. Kershaw
www.TechnicalBooksPDF.comFigure 1-24.Using a die to cut threads on a rod.Figure 1-23.on the right.Various punches on the left and a chiselTAP HOLDERSTAPSDIESTHREAD CHASERSDIE HOLDERFigure 1-25. Dies are used to make threads on the outside of round stock. Taps are usedto make threads inside holes. A thread chaser is used to clean threads without removingmetal.Figure 1-26. Starting a tap in a drilled hole. The hole diametershould be matched exactly to the tap size forproper thread clearance. The proper drill size to use iscalled the tap drill size.9
www.TechnicalBooksPDF.com10 Chapter OneTOOL SETS ANDACCESSORIESA beginning service technician may wish to startwith a small set of tools before spending a lot ofmoney on an expensive, extensive tool box. SeeFigures 1-27 through 1-29.BRAND NAME VERSUSPROPER TERMTechnicians often use slang or brand names oftools rather than the proper term. This results insome confusion for new technicians. Some examplesare given in the following table.(a)Figure 1-28. An inexpensive muffin tin can be usedto keep small parts separated.(b)Figure 1-27. (a) A beginning technician can startwith some simple basic hand tools. (b) An experienced,serious technician often spends several thousanddollars a year for tools such as those found in thislarge (and expensive) tool box.Figure 1-29. A good fluorescent trouble light is essential.A fluorescent light operates cooler than an incandescentlight and does not pose a fire hazard aswhen gasoline is accidentally dropped on an unprotectedincandescent bulb used in some trouble lights.
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10 Chapter One
TOOL SETS AND
ACCESSORIES
A beginning service technician may wish to start
with a small set of tools before spending a lot of
money on an expensive, extensive tool box. See
Figures 1-27 through 1-29.
BRAND NAME VERSUS
PROPER TERM
Technicians often use slang or brand names of
tools rather than the proper term. This results in
some confusion for new technicians. Some examples
are given in the following table.
(a)
Figure 1-28. An inexpensive muffin tin can be used
to keep small parts separated.
(b)
Figure 1-27. (a) A beginning technician can start
with some simple basic hand tools. (b) An experienced,
serious technician often spends several thousand
dollars a year for tools such as those found in this
large (and expensive) tool box.
Figure 1-29. A good fluorescent trouble light is essential.
A fluorescent light operates cooler than an incandescent
light and does not pose a fire hazard as
when gasoline is accidentally dropped on an unprotected
incandescent bulb used in some trouble lights.