Automotive Hand Tools PDF

Small Engine Automotive Technology and Servicing Topic: Automotive Hand Tools Presented: Wilmar L. Intes Professor: Prof. Randy T. Berina  WRENCHES Name of Open-End Wrench Tool Image Fun...

Small Engine Automotive Technology and Servicing Topic: Automotive Hand Tools Presented: Wilmar L. Intes Professor: Prof. Randy T. Berina  WRENCHES Name of Open-End Wrench Tool Image Function Used for gripping and turning nuts and bolts with flat surfaces. It is ideal for quick tasks where full rotation of the tool isn't possible. Operation Place the open end of the wrench over the nut or bolt. Turn the wrench to tighten or loosen the fastener. Safety Ensure the wrench fits the nut or bolt Measure snugly to avoid slipping and causing injury. Avoid using excessive force.  WRENCHES Name of Box-End Wrench Tool Image Function Encloses the bolt head or nut, providing a better grip, especially in tight spaces. Operation Fit the box end of the wrench over the nut or bolt. Turn the wrench to tighten or loosen. Safety Always ensure the wrench fully encloses Measure the nut or bolt before applying force. Keep fingers away from pinch points.  WRENCHES Name of Combination Wrench Tool Image Function Features an open end on one side and a box end on the other, providing versatility. Operation Use the open end for initial loosening or tightening, and switch to the box end for a more secure grip. Safety Use the box end for maximum grip and Measure the open end when space is limited. Never use a wrench on a fastener that is too small or large for the tool.  WRENCHES Name of Adjustable Wrench (Crescent Wrench) Tool Image Function Has an adjustable jaw to fit various sizes of nuts and bolts. Operation Adjust the jaw width to fit the fastener by turning the adjustment screw. Grip the fastener and turn to tighten or loosen. Safety Adjust the wrench to fit snugly around Measure the fastener to prevent slipping. Pull the wrench toward you to avoid injury if it slips.  WRENCHES Name of Socket Wrench (Ratchet) Tool Image Function Used for turning fasteners with interchangeable sockets. Allows for quick tightening or loosening. Operation Attach the correct socket to the ratchet handle. Turn the ratchet handle to tighten or loosen the fastener, using the ratcheting mechanism to allow continuous movement. Safety Select the correct socket size to avoid Measure rounding off fasteners. Do not use a ratchet handle as a hammer or pry bar.  WRENCHES Name of Torque Wrench Tool Image Function Measures and applies a specific torque to a fastener to ensure proper tightness without over-tightening. Operation Set the desired torque level on the wrench. Attach the correct socket and tighten the fastener until the wrench clicks or indicates the preset torque. Safety Always follow the manufacturer's torque Measure specifications. Reset the wrench to its lowest setting after use to maintain accuracy.  WRENCHES Name of Allen Wrench (Hex Key) Tool Image Function Used for driving bolts and screws with hexagonal sockets. Operation Insert the hex key into the socket of the fastener and turn to tighten or loosen. Safety Ensure the hex key is fully inserted into Measure the socket to avoid stripping. Use the correct size to prevent damage.  WRENCHES Name of Flare Nut Wrench Tool Image Function Designed for gripping and turning soft metal fittings, such as brake lines, without causing damage. Operation Fit the flare nut wrench over the nut or bolt. Turn to tighten or loosen, using the enclosed design to avoid damaging the fitting. Safety Use the correct size to prevent rounding Measure off fittings. Avoid over-tightening as it can damage the fitting.  Automotive Hand Tools Maintenance Wrenches General Maintenance Cleaning Wipe down wrenches with a clean cloth after each use to remove dirt, grease, and debris. For stubborn grime, use a mild degreaser. Storage Store wrenches in a dry, organized tool chest or on a wall rack to prevent rust and easy access. Lubrication Occasionally apply a light coat of oil to the moving parts of adjustable wrenches to ensure smooth operation and prevent rust.  Automotive Hand Tools Maintenance Specific Care Torque After each use, reset to its lowest setting to maintain Wrench accuracy. Store in a protective case to prevent damage to the calibration. Socket Periodically apply a few drops of oil to the ratcheting Wrench mechanism. Clean any dirt or debris from the teeth and (Ratchet) avoid overloading to prevent wear.  Screwdrivers Name of Flathead Screwdriver Image Tool Function Used for turning screws with a slotted head. Operation Insert the blade into the slot of the screw and turn to drive in or out. Safety Choose the correct size to fit the Measure screw slot. Do not use a screwdriver as a pry bar.  Screwdrivers Name of Phillips Screwdriver Image Tool Function For screws with a cross-shaped head, providing more grip than a flathead. Operation Place the blade into the cross slot of the screw and turn to drive it in or out. Safety Use the correct size to prevent cam- Measure out (slipping out of the screw head). Do not apply excessive force.  Screwdrivers Name of Torx Screwdriver Image Tool Function Used for screws with a star-shaped head, providing higher torque transfer without slipping. Operation Insert the Torx blade into the star- shaped slot of the screw and turn. Safety Ensure the screwdriver fits snugly into Measure the screw head. Avoid using Torx drivers on other types of screws.  Screwdrivers Name of Stubby Screwdriver Image Tool Function Short-handled screwdriver for working in tight spaces. Operation Use for turning screws in tight spaces where a standard screwdriver is too long. Safety Keep fingers clear of the area Measure around the screw to avoid injury if the tool slips.  Screwdrivers Name of Precision Screwdrivers Image Tool Function Small screwdrivers for detailed work, such as electronics or small mechanical components. Operation Use for small, delicate screws typically found in electronics or small mechanisms. Safety Use a light touch and proper size Measure to avoid stripping small screws.  Automotive Hand Tools Maintenance Screwdrivers General Maintenance Cleaning Wipe screwdriver shafts and handles after use. Clean the tips to remove any material buildup. Storage Store screwdrivers in a designated holder or drawer to prevent the tips from getting damaged. Lubrication Regularly check the tips for wear or damage. Replace any screwdriver with a worn or chipped tip to avoid damaging screws.  Pliers Name of Slip-Joint Pliers Image Tool Function Adjustable for gripping different sizes of workpieces. Operation Adjust the pliers to the desired size using the slip-joint mechanism. Grip the object and turn or pull as needed. Safety Ensure the pliers are adjusted Measure correctly to grip the object securely. Avoid applying excessive force.  Pliers Name of Needle-Nose Pliers Image Tool Function Long, pointed jaws for reaching into tight spaces and performing precision tasks. Operation Use the pointed tips to grip, bend, or twist small components or reach into tight spaces. Safety Use for light-duty tasks to avoid Measure bending the jaws. Keep fingers clear of the gripping area.  Pliers Name of Locking Pliers (Vise-Grips) Image Tool Function Can lock onto objects to hold them securely. Operation Adjust the pliers to the size of the object, then lock the jaws in place by squeezing the handle. Safety Adjust the tension screw to hold Measure the object without damaging it. Release the lock carefully to avoid injury.  Pliers Name of Cutting Pliers (Diagonal Cutters) Image Tool Function Used for cutting wire, small pins, and other materials. Operation Position the wire or small pin in the cutting area and squeeze the handles to cut. Safety Wear eye protection to guard Measure against flying debris. Use the correct pliers for the material being cut.  Pliers Name of Channel-Lock Pliers Image Tool Function Adjustable jaws for gripping objects of various sizes. Operation Adjust the pliers to fit the object using the sliding pivot. Grip and turn or pull as needed. Safety Ensure proper adjustment to grip Measure the object securely. Avoid overextending the jaws.  Pliers Name of Snap Ring Pliers Image Tool Function Designed to install or remove snap rings or retaining rings. Operation Insert the tips into the holes of the snap ring and squeeze the handles to compress or expand the ring. Safety Use the correct tips for the snap Measure ring size. Wear eye protection as snap rings can spring out.  Automotive Hand Tools Maintenance Pliers General Maintenance Cleaning Wipe pliers clean after each use, paying special attention to the jaws and cutting edges. Storage Store in a dry place to prevent rust. Organize pliers in a tool drawer or on a rack. Lubrication Apply a drop of oil to the pivot point regularly to keep the jaws operating smoothly.  Hammers and Mallets Name of Claw Hammer Image Tool Function General-purpose hammer used for driving and removing nails. Operation Use the flat side to drive nails into materials and the curved claw to remove nails. Safety Hold the hammer near the end of the Measure handle for better control. Strike nails squarely to avoid glancing blows.  Hammers and Mallets Name of Ball Peen Hammer Image Tool Function Used for metalworking, shaping, and striking punches and chisels. Operation Use the flat side for striking and the rounded peen for shaping metal or striking punches. Safety Use the rounded side for shaping Measure metal and the flat side for striking. Wear eye protection to guard against flying metal fragments.  Hammers and Mallets Name of Dead Blow Hammer Image Tool Function Minimizes rebound, applying force without damaging surfaces. Operation Use to strike objects with minimal rebound and to avoid marring surfaces. Safety Use for tasks where you need to avoid Measure marring surfaces. Ensure the hammer face is clean to prevent debris from being embedded in the workpiece.  Hammers and Mallets Name of Rubber Mallet Image Tool Function Provides a softer impact, often used in automotive work to avoid damaging parts. Operation Use for gentle strikes to avoid damage to parts or surfaces. Safety Use for light, controlled strikes to Measure avoid damage to parts. Keep the mallet face clean for even impact.  Automotive Hand Tools Maintenance Hammers and Mallet General Maintenance Cleaning Wipe down the hammerhead and handle after use. Ensure that any dirt or debris is removed. Inspection Regularly inspect the hammerhead for signs of damage, such as cracks or chips. Check the handle for splinters or cracks. Storage Store hammers in a dry place to prevent rust on the head and protect wooden handles from moisture. Rubber Avoid leaving the mallet exposed to sunlight or extreme temperatures, Mallet which can cause the rubber to harden or crack. Specific Care  Sockets and Accessories Name of Standard Sockets Image Tool Function Used with ratchets for general- purpose fastening tasks. Operation Attach to a ratchet handle and turn to tighten or loosen fasteners. Safety Used with ratchets for general- Measure purpose fastening tasks.  Sockets and Accessories Name of Deep Sockets Image Tool Function Designed for reaching bolts with long threads or recessed nuts. Operation Use for reaching recessed nuts or bolts. Attach to a ratchet and turn. Safety Ensure the socket fully engages the Measure fastener before applying torque. Avoid using deep sockets with heavy force on shallow fasteners.  Sockets and Accessories Name of Impact Sockets Image Tool Function Built to withstand the higher torque of impact wrenches. Operation Use with impact wrenches to handle higher torque loads. Safety Only use impact sockets with Measure impact tools. Inspect sockets regularly for cracks.  Sockets and Accessories Name of Socket Extensions Image Tool Function Extend the reach of a socket, allowing access to fasteners in tight spaces. Operation Attach between the socket and ratchet to extend reach. Safety Ensure the extension is securely Measure connected to the socket and ratchet. Do not apply excessive torque.  Sockets and Accessories Name of Universal Joints Image Tool Function Allows turning fasteners at odd angles. Operation Use to turn fasteners at angles by attaching between the socket and ratchet. Safety Use with care to avoid losing control Measure of the fastener. Avoid applying excessive force to prevent damage to the joint.  Measuring Tools Name of Tape Measure Image Tool Function For measuring length and width. Operation Extend the tape to measure length or width, then retract slowly. Safety Retract the tape slowly to avoid Measure injury. Keep fingers clear of the edges.  Measuring Tools Name of Caliper (Mechanical & Digital) Image Tool Function Provides precise measurements of internal and external dimensions. Operation Use to measure internal and external dimensions by sliding the jaws. Read the measurement on the scale or digital display. Safety Handle with care to avoid damaging Measure the measurement surfaces. Ensure the caliper is zeroed before use.  Measuring Tools Name of Micrometer (Mechanical & Digital) Image Tool Function Used for highly accurate measurements of thickness or diameter. Operation Use to measure thickness or diameter by rotating the thimble to bring the Digital Outside Micrometer anvils together. Safety Use gentle pressure when measuring Measure to avoid deforming the object. Clean the anvils before use.  Measuring Tools Name of Feeler Gauge Image Tool Function Measures gaps, such as valve clearances. Operation Insert the correct thickness blade into the gap to measure the clearance. Safety Select the correct thickness for Measure accurate measurements. Handle the gauge blades carefully to avoid bending.  Measuring Tools Name of Dial Indicator Image Tool Function Measures small distances or variations in position. Operation Mount the indicator securely and use the probe to measure small distances or variations. Safety Ensure the indicator is securely Measure mounted and zeroed before taking measurements. Handle the probe gently.  Automotive Hand Tools Maintenance Measuring Tools General Maintenance Cleaning Wipe measuring tools clean after use, especially the measuring surfaces, to ensure accuracy. Calibration Regularly check the calibration of precision tools like calipers, micrometers, and dial indicators. Have them professionally calibrated if necessary. Storage Store in protective cases to prevent damage. Avoid exposure to extreme temperatures or humidity, which can affect accuracy.  Cutting Tools Name of Hacksaw Image Tool Function Used for cutting metal, plastic, or other materials. Operation Use a back-and-forth motion to cut through metal, plastic, or other materials. Safety Ensure the blade is tight and suitable Measure for the material. Wear gloves and eye protection to guard against debris.  Cutting Tools Name of Utility Knife Image Tool Function General-purpose cutting tool. Operation Use a smooth, controlled motion to cut through materials. Extend or retract the blade as needed. Safety Keep the blade sharp and retract Measure it when not in use. Always cut away from your body.  Cutting Tools Name of Tin Snips Image Tool Function For cutting sheet metal. Operation Use for cutting sheet metal by squeezing the handles. Safety Use the correct snips for the Measure material thickness. Wear gloves to avoid cuts from sharp edges.  Cutting Tools Name of Wire Cutters Image Tool Function Designed for cutting wire and small pins. Operation Position the wire in the cutting area and squeeze the handles to cut. Safety Wear eye protection to guard Measure against flying wire pieces. Use the correct tool for the wire gauge.  Automotive Hand Tools Maintenance Cutting Tools General Maintenance Cleaning Clean the cutting edges after use to remove any residue or debris. For tools like hacksaws, clean the blade and frame. Sharpening Regularly sharpen cutting tools like utility knives and tin snips to maintain effective cutting performance. Storage Store in a safe place, such as a tool drawer or cabinet, with blade guards on to protect both the tool and the user.  Holding and Clamping Tools Name of C-Clamp Image Tool Function Holds parts securely in place during work. Operation Ensure the clamp is tight enough to hold the object but not so tight that it causes damage. Use padding to protect delicate surfaces. Safety Position the clamp around the parts Measure and tighten the screw to hold them securely.  Holding and Clamping Tools Name of Bench Vise Image Tool Function Mounted on a workbench to hold parts securely. Operation Ensure the workpiece is clamped securely before working. Keep fingers clear of the moving parts. Safety Place the workpiece in the vise jaws Measure and tighten  Holding and Clamping Tools Name of Locking Pliers Image Tool Function Grip and hold parts tightly. Operation Position the jaws around the workpiece and squeeze the handles together. Safety Adjust the tension carefully to Measure avoid damaging the workpiece. Release the lock slowly to avoid pinching fingers.  Holding and Clamping Tools Name of Spring Clamps Image Tool Function Used for holding smaller components together temporarily. Operation Place the clamp around the components to be held together. Safety Ensure the clamp is positioned Measure correctly before releasing. Keep fingers clear of the clamping area.  Prying and Spreading Tools Name of Pry Bar Image Tool Function For prying apart components or panels. Operation Insert the flat end of the pry bar between the components or panels to be separated. Safety Apply force gradually to avoid Measure damaging parts. Use a pry bar of the appropriate size and strength for the job.  Prying and Spreading Tools Name of Trim Removal Tool Image Tool Function Removes interior panels and trim without damage. Operation Use gentle pressure to avoid breaking clips or damaging the trim. Select the correct tool for the specific trim piece. Safety Use gentle pressure to avoid breaking Measure clips or damaging the trim. Select the correct tool for the specific trim piece.  Prying and Spreading Tools Name of Panel Clip Pliers Image Tool Function Removes plastic fasteners without damaging them. Operation Place the tips of the pliers around the panel clip or fastener. Safety Ensure the tool is properly Measure positioned before applying pressure. Work slowly to avoid breaking clips.  Prying and Spreading Tools Name of Seal Puller Image Tool Function Removes seals from engines and other parts. Operation Insert the puller’s hook or prong behind the seal. Safety Be careful not to damage Measure surrounding components. Use the correct size and type of puller for the seal.  Automotive Hand Tools Maintenance Prying and Spreading Tools General Maintenance Cleaning Clean prying tools after use, especially the working ends. Remove any dirt or debris that could affect performance Inspection Regularly inspect for any signs of bending, cracking, or wear. Replace any tools that show significant damage. Storage Store in a dry place to prevent rust. Organize tools to prevent damage to their prying edges. Trim Store separately from metal tools to avoid damaging the plastic Removal edges. Tool  Specialty Automotive Tools Name of Oil Filter Wrench Image Tool Function Used for removing and installing oil filters. Operation Place the oil filter wrench around the oil filter, ensuring a snug fit. Safety Ensure the wrench fits snugly Measure around the filter. Avoid over- tightening the filter during installation.  Specialty Automotive Tools Name of Spark Plug Wrench Image Tool Function Used for removing and installing spark plugs. Operation Place the spark plug wrench over the spark plug. Safety Ensure the engine is cool before Measure removing spark plugs. Use the correct size wrench to avoid damaging the plugs.  Specialty Automotive Tools Name of Brake Caliper Tool Image Tool Function Retracts brake calipers during brake pad replacement. Operation Place the tool on the brake caliper piston. Safety Ensure the tool is properly Measure aligned with the caliper piston. Do not apply excessive force.  Specialty Automotive Tools Name of Battery Terminal Puller Image Tool Function Removes battery terminals without damage. Operation Place the puller around the battery terminal. Safety Disconnect the battery before Measure using the tool. Use the puller carefully to avoid damaging the terminal.  Specialty Automotive Tools Name of Oxygen Sensor Socket Image Tool Function Used for removing and installing oxygen sensors. Operation Rotate the socket counterclockwise to remove the sensor or clockwise to install it. Safety Ensure the socket is the correct size Measure for the sensor. Avoid applying excessive force to prevent damage.  Specialty Automotive Tools Name of Timing Light Image Tool Function Used for checking and setting ignition timing. Operation Attach the timing light leads to the battery terminals and the ignition coil or spark plug wire. Safety Follow the manufacturer's Measure instructions carefully. Avoid contact with moving engine parts.  Specialty Automotive Tools Name of Timing Light Image Tool Function Used for checking and setting ignition timing. Operation Attach the timing light leads to the battery terminals and the ignition coil or spark plug wire. Safety Follow the manufacturer's Measure instructions carefully. Avoid contact with moving engine parts.  Automotive Hand Tools Maintenance Specialty Automotive Tools General Maintenance Cleaning Wipe down specialty tools after each use, removing any grease, oil, or debris. Inspection Regularly inspect these tools for wear or damage. Replace any components that show signs of excessive wear. Storage Store in their original cases or protective covers to prevent damage and keep them organized. Timing Store in a cool, dry place to protect the electronics. Avoid Light dropping or subjecting it to shock, which can damage the light or its calibration. Those tools functions, safety measures, operations, and general maintenance are essential for ensuring that automotive work is done efficiently and safely. Always follow proper procedures and wear appropriate personal protective equipment (PPE) to minimize the risk of injury.