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Tools and Safety

Tools and Safety. General Tool Safety. Wear proper eye protection, ear protection, and protective clothing. Secure hair and loose clothing. Work in areas with good lighting. Make sure all personnel are at a safe distance before using the tool.

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Tools and Safety

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  1. Tools and Safety

  2. General Tool Safety • Wear proper eye protection, ear protection, and protective clothing. • Secure hair and loose clothing. • Work in areas with good lighting. • Make sure all personnel are at a safe distance before using the tool. • Keep tools free of oil, grease, and foreign matter. • Use the tool for its designed use. • Secure small work in a clamp or vise. • Repair or replace damaged tools. • Report any injuries to the supervisor.

  3. Tool Types • Hand Tools • Hand tools are tools that are powered by hand. • Power Tools • Power tools are tools that are electrically, pneumatically, or hydraulically powered for greater efficiency when performing service and repair tasks. • Power tools can be portable or stationary. • Portable power tools can be transported with the operator. Stationary power tools cannot be transported, and are commonly installed in a fixed position. • Power tools may cause serious injury if proper safety procedures are not followed.

  4. Hand Tool Safety • Keep tools sharp and in proper working order. Look for wear that could cause an injury, such as a pitted hammer face, damaged insulation on a pliers, or splintered handle. • Point cutting tools away from the body during use. • Grind excess metal from mushroomed chisels. • Organize tools to protect and conceal sharp cutting surfaces.

  5. Hand Tool Safety • Never use a hammer on another hammer. The impact of the hardened surfaces may cause the heads to shatter. • Do not carry tools in a pocket. Transport sharp tools in a holder or with the blade pointed down. • Remove fasteners by pulling the tool toward the body or pushing the tool away from the face

  6. Power Tool Safety • Follow all manufacturers’ recommended operating instructions. • Use UL or CSA approved power tools that are installed in compliances with the NEC. • Do not use electrical tools on or near a wet or damp area. • Use power tools that are doubled-insulated or have a third conductor grounding terminal to provide a path for fault current. • Ensure power switch is in OFF position before connecting to power source.

  7. Power Tool Safety • Ensure that all safety guards are in place before starting. • Arrange cords and hoses to prevent accidental tripping. • Stand to one side when starting and using a grinder. • Stand clear of operating power tools. Keep hands and arms away from moving parts. • Use tools designed for compressed air service. • Shut off, lock out, and tag out disconnect switches of power tools requiring service.

  8. Classification of Tools • Measuring • Fastening – Wrenches • Fastening – Screwdrivers • Fastening – Pliers • Cutting • Striking/Driving • Testing • Specialty Tools

  9. Measuring • Feeler Gauges • Micrometer • Telescoping Gauge • Dial Caliper • Tachometer • Ruler A B C D E F

  10. Measuring Tools Feeler Gauge – To verify distance between parts. Ie. The gap in a spark plug. Micrometer - measure thickness and diameter

  11. Measuring Tools Telescoping Gauge – transfer distance from parts to measurement tool Dial Caliper – measure inside, outside, and depth of parts

  12. Measuring Tools Tachometer – measure engine speed in RPM Ruler – Measure linear distance

  13. Fastening – Wrenches • Open End • Box End • Combination • Ratchet & Socket • Adjustable • Hex • Impact • Torque A E B F C G D H

  14. Wrenches Open End – Loosen/tighten bolt or nut with contact on two flats Box End – Loosen/tighten bolt or nut; less likely to slip off than open end wretch Combination- Loosen/tighten bolt or nut with convenience of open end and box end on same wrench

  15. Wrenches Ratchet and Socket – Loosen/tighten bolt or nut in tight locations Adjustable – Loosen/tighten bolt or nut in tight locations Hex – Loosen/tighten hex screws

  16. Wrenches Impact – Loosen/tighten bolt or nut with air or electric power with short, rapid impulses to socket Torque – Tighten bolt or nut specified torque

  17. Fastening – Screwdrivers • Standard • Phillips • Torx • Offset • Hex A B C D C A B B

  18. Screwdrivers Standard – Drive slotted head fastener Phillips – Drive Phillips head fastener

  19. Screwdrivers Torx – Drive Torx head fastener Offset – Drive slotted, Phillips, or Torx head fasteners in tight locations

  20. Fastening – Pliers A • Slip Joint • Adjustable • Locking • Needle Nose • Snap Ring D B E C

  21. Pliers Slip-Joint – Grip fasteners and parts Adjustable – Grip large fasteners and parts Locking – Lock on fasteners and/or hold parts

  22. Pliers Needle Nose – Grip fasteners and/or parts in tight locations Snap Ring – Install and remove snap ring fasteners

  23. Cutting • Hacksaw • Drill • Cold Chisel • File • Tap • Die • Snip • Diagonal Cutting Pliers E A F B G H C D

  24. Cutting Hacksaw – Cut metal Drill – Drill holes in material Cold Chisel – Cut and/or remove fasteners and metal

  25. Cutting Tap – Cut internal threads in predrilled holes Die – Cut external threads File – Form and/or smooth material

  26. Cutting Snips – Cut sheet metal Diagonal Cutting Pliers – Cut wire and other material

  27. Striking/Driving A D • Ball Peen Hammer • Rubber Mallet • Soft-Faced Hammer • Center Punch • Drive Pin Punch B E C

  28. Striking/Driving Ball Peen Hammer – Hammer and/or shape parts Rubber Mallet – Hammer parts without damaging surfaces Soft-Faced Hammer – Hammer/drive tools and parts without damaging surfaces

  29. Striking/Driving Center Punch – Mark center point for drilling a hole Drive Pin Punch – Drive fasteners, shafts, and bearings

  30. Testing A • Digital Multi Meter (DMM) • Spark Tester • Cylinder Leakdown Tester B C

  31. Testing DMM – Measure electrical values Spark Tester – Test condition of ignition system Cylinder Leakdown Tester – Test sealing capability of compression components

  32. Specialty A D • Valve Spring Compressor • Flywheel Puller • Starter Clutch Wrench • Ring Compressor • Flywheel Holder • Tab Bender B E C F

  33. Specialty Valve Spring Compressor – Compress valve springs for installation or removal Flywheel Puller – Remove flywheel Starter Clutch Wrench – Remove and torque rewind started clutch

  34. Specialty Ring Compressor – Compress piston rings for installation Flywheel Holder – Hold flywheel while removing or installing flywheel nut or rewind starter clutch Tab Bender – Adjust governor tabs for top no-load speed

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