Post on 29-Dec-2015
transcript
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Portable Powered Tools
Use the Right Tool
the Right Way
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Section I
Introduction
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Introduction:
• Hazards• Injuries• Quality, design• Job set-up• PPE• Inspection• Maintenance, repair• Types of tools
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Section II
Hazards and injuries
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Injuries:
• Cuts• Punctures• Abrasions• Contusions• Fractures• Burns
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Hazards of wrong tool:
• Electrically insulating
• Hazardous atmospheres
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Section III
Tool quality and design
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Tool quality, design:
• Designed for safety
• Durable
• Use appropriate parts
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Tool quality, design:
• Handles
• Balance
• Control
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Section IV
Job set-up and PPE
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Job set-up:
• Easy reach
• Secure materials
• Screens, barricades
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PPE:
Personal
Protective
Equipment
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Eye and face:
• Chips
• Splashes
• Sparks
• Dust
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PPE:
• Hands
• Feet
• Head
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PPE:
• Hearing
• Respirators
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Section V
Tool inspection
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Inspection:
• Handles, casings, guards
• Shafts
• Cords, hoses
• Gripping, striking surfaces
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Section VI
Maintenance and repair
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Maintenance, repair:
• Clean
• Sharp
• Lubricated
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Maintenance, repair:
• “Do Not Use”
• Authorized employees
• Inspect repairs
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Maintenance, repair:
• Storage
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Section VII
• General precautions
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Power sources:
• Electric
• Pneumatic
• Hydraulic
• Liquid fuel
• Powder-actuated
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Precautions - cord, hose:
• Don’t carry by cord, hose
• Don’t yank cord/hose
• Don’t damage
• Tripping hazards
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Disconnect tools:
• Not in use
• Changing parts
• Before servicing
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Work area:
• Well lit
• Clean, dry
• No loose clothing, hair
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Guards - moving parts:
• Point of operation
• In-running nip points
• Rotating parts
• Flying chips, sparks
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Control switches:
• Constant-pressure
• Positive “on - off”
• “Lock-on”
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Section VIII
Electric tools
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General precautions:
• Damp, wet areas
• Flammable atmosphere
• Tripping hazard
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Electrocution and shock:
• Three-wire grounded cord
• Double insulated
• Low-voltage isolation transformer
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Section IX
Abrasive wheel tools
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Abrasive wheel tools:
• Inspect
• Ring-test
• Speed rating
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Abrasive wheel guards:
• Wheel surface
• Chips
• Wheel fragments
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Abrasive wheel tools:
• Eye protection
• Off when not in use
• Hand-held grinders
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Section X
Pneumatic tools
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Pneumatic tools:
• Compressed air
• Locking device
• Screens
• Eye, face, hearing protection
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Compressed air contains:
• Chips
• Oil droplets
• Particles
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Compressed air for cleaning:
• Reduced pressure
• Less than 30 p.s.i.
• Chip guarding
• PPE
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Compressed air guns:
• Never point toward anyone
• Never “dead-end” against anyone
• Never blow off clothing
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Section XI
Hydraulic tools
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Recommended pressures:
• Hoses
• Valves,
• Pipes
• Filters
• Fittings
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Section XII
Lawnmowers
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Lawnmowers:
• Guards• Shut-off device• Controls identified• Start in “neutral”• Instruction manual
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Section XIII
Jacks
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Jacks:
• Upper limit device
• Load limit
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Jack set-up:
• Firm, level surface
• Centered
• Head bears against level surface
• Apply even force
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Jacks:
• Maintenance
• Lubrication
• Inspections
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Section XIV
Powder-actuated tools
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Powder-actuated tools:
Loaded gun
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Inspect before use:
• Clean
• Parts move freely
• Barrel unobstructed
• Shield, guards
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Powder-actuated tools:
• Not in hazardous atmosphere
• Wear eye, face protection
• Don’t point at anybody
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Powder-actuated tools:
• Load only when in use
• Loaded tool not left unattended
• Unauthorized persons
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Misfires:
• Wait at least 30 seconds
• Then try firing it again
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Misfires:
• Wait another 30 seconds
• Strict instructions to remove load
• Place cartridge in water
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Defective tool:
• Take out of service
• Tag “Do Not Use”
• Repairs meet specifications
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Fasteners:
• Thin, brittle material
• Edges, corners, holes
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Section XV
Conclusion
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Summary:
• Hazards• Injuries• Quality, design• Job set-up• PPE• Inspection• Maintenance, repair• Types of tools
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Questions?