hand tools teknik kendaraan ringan semester 1 st class x dasar kompetensi kejuruan sk-kd 5

HAND TOOLS

Teknik Kendaraan RinganSemester 1st Class X

Dasar Kompetensi KejuruanSK-KD 5

DIAGRAM ALUR PENCAPAIAN KOMPETENSI

Tool Material

Teknologi dan Rekayasa

high strength alloy steel, should be light and easy to use in tight quarters, slim and properly designed for your hand.

Quality Tools are heated treated.

Machine to a close tolerance.

A 3/4 opening is a 3/4. Tools are polished Good lifetime

guarantee.

Tips to Remember


KEEP YOUR TOOLS CLEAN Separate cutting tools Lightly oil any tool that might rust Delicate measuring tools- keep in protective

containers, such as micrometers etc. Mark your tools with Drivers license. Put

Name & license Number on all tools

Screw drivers


Flat blade - conventional - blade should fit slot snug and be the same width

Screw drivers


Phillips

Screw drivers


Reed and Prince

clutch

Pozidrive

Screw drivers


Allen or Hex tip

Scurlox or Square Drive

Torx

Screw drivers


Hand Impact Drivers

Used to remove stubborn screws

insert right size bit turn in direction you want to go and strike with a hammer.

Screw drivers


Offset

Screwdrivers are classed in size of shank such as 3/16, 1/4, 5/16, and length of shank such as 2", 4", 6". Some manufactures take length of shank and handle. Normally just the shank is measured.

Pliers


Diagonal side cutters

Combination slip joint pliers

Needle nose

Adjustable Joint

Pliers


Combination pliers

Locking Pliers or Vise grips

Wire Strippers and Crimpers

Snap ring - internal external

Punches & Chisels


Center punch - use before drilling or to mark metal

Punches & Chisels


Aligning punch sometimes called a Long Taper or Line up

Drift or Pin punch same size shaft

Chisels


Flat Cold chisel: most common, safety glasses should be worn,

make sure cutting edge is sharp. Striking surface or top of chisel should

not be mushroomed, it should be smooth with a slight taper.

Mushroomed chisels

Hammer


Tips on Hammer use

1. Strike face of hammer head squarely 2. Make sure head is secure on hammer handle

(Hammer Head is wedged on in both directions)

3. Never swing hammer in the direction that someone is standing

4. Keep handle clean and dry, is handle cracked or broken.

5. Use the proper size hammer for the job.

Hammer


Ball Peen - most common General purpose head may weigh

Claw Hammer - this is Auto shop not Wood shop

•Dead blow - shot filled, plastic coating

Who


Rubber Mallet

Plastic Tipped - with replaceable tips

Brass Hammer

Plastic Tipped

Wrenches


Wrenches are a way to remove and replace bolts etc but they are slow use as a last resort you should use air tools or ratchets if at all possible

(Remember, pull with a wrench you have better control, if you do push, push with palm open.)

Wrenches


open end size is determined by width of opening, end is usually

offset 15 degrees, each end is a different size

Box end WrenchEnd is totally enclosed in 6 or 12 point openings. Can be double offset or box offset 15 degrees for clearance for hand.

Wrenches


Combination WrenchOne end open, one end boxed both the same size can be different lengths

Boxed ends can be either 6 or 12 point.

Wrenches


Adjustable open end Wrench

Not a replacement for all other wrenches, discuss proper use, tends to slip. Adjust jaws firmly. Try to always use the correct size wrench. Should only put pressure on the fixed jaw.

Wrenches


Sockets Sockets come in many sizes with different openings.

6 pt. & 12 pt. Are the most common 8 pt or double square are used on square nuts.

Square (4 sided) sockets are also used in special applications

6 point 8 point 12 point

Wrenches


Drive size common to Automotive are 1/4, 3/8, 1/2, 3/4 - square hole

•Shallow or Regular size chrome and Impact

deep sockets chrome and Impact

Wrenches


Socket handles

Swivel Ratchet

ratchet - short and long

Wrenches


Socket handles

speed handle - and swivel speed handle

flex handle or breaker bar long and short

sliding T bar

Torque wrenches


•beam

Dial type sometimes referred to as a Micrometer type

Split beam torque wrench

Torque wrenches


Come in inch lbs and foot lbs Always look up tightening sequence Always look up the amount of Torque If large number divide the torque into smaller

amounts and torque in steps. Pull with a steady pull, do not jerk Make sure threads are clean Remember that it takes more force to start a

fastener then to keep it turning.

Hack saws


Used to cut metalBlade length 8, 10, 12, Semi-flexible blades, High speed

blades.

Hack saws Blades


Teeth per inch (T.P.I.)

Teeth on hack saw go forward

Learn how to properly hold the hacksaw

Files


Single cut - rows of teeth run in one direction

Double cut - teeth run at an angle to each other

Shapes of files

Gasket Scrapers/Cleanup tools


putty knifes

Gasket scrapers

razor blades (not shown)

Pick up tools


Heavy dutyTelescopingMagnetic Pick up tool

TelescopingMagnet

Flexible FingersPick up tool

snips


Tin snips / Straight Tinner Snips

Offset model aviation snips

Left cut model - for cutting straight and tight left curves Right cut model - for cutting straight and tight right curves Straight cut model - for cutting straight and mild curves both left and right

Drills


Twist Drills

Safety Hints

1. Firm grip on the drill 2. Unplug drill before removing or installing

drill bit 3. Don't wear loose clothing 4. Secure the work firmly 5. Wear safety glasses 6. Make sure drill is properly grounded 7. Do not stand on wet surface when using

power tools

Tap & Dies


Taps are used to cut internal threads

Tap & Dies


Dies

Dies are used to cut external threads on stock or bolts

Tap & Dies


Tap wrench

Die Stock

Solder Guns


If solder gun does not work do these three things1. Tighten the nuts, the screw or allen set screw on the soldering tip. (do not over tighten as it gets hot then cold it will expand then contract these will always come lose)2. Clean and sand the tip of the solder gun3. Tin the tip of the solder gun

Pullers


Two jaw

Three jaw

Steering wheel Harmonic balance puller

Slide Hammer Puller


Special Tools

ring compressors Use for install piston

into cylinder

ring expanders Use for Install and

remove Piston ring

Special Tools


valve spring compressors Use for Install or remove

valve unit to Cylinder Head

Brake Spoon Use for adjust brake

clearance

Special Tools


Grease Gun

Test Light Use to test for power


BIBLIOGRAPHY:

PHS Automotive Sales

Thanks very much

Presented by Aloysius SudibyoSMK Negeri 1 Magelang

hand tools teknik kendaraan ringan semester 1 st class x dasar kompetensi kejuruan sk-kd 5

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