Cranes 1 OSHA Office of Training Education Cranes
- Slides: 53
Cranes 1 OSHA Office of Training & Education
Cranes
Crane Parts 7 OSHA Office of Training & Education
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Stability Tripping failure OR Strength structure failure 13 OSHA Office of Training & Education
Stay out of the swing radius of the crane – Make sure there are barrier guards showing swing radius •
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Improper Load Improper loads or speeds can result in the tipping of the crane 29 OSHA Office of Training & Education
Improper Load 30 OSHA Office of Training & Education
Improper Load 31 OSHA Office of Training & Education
Guard Moving Parts Unguarded Chain Drive Guard moving parts such as gears or belts 32 OSHA Office of Training & Education
Swing Radius Stay out of the swing radius of the crane – Make sure there are barrier guards showing swing radius 33 OSHA Office of Training & Education
Operator Visibility Broken Window Make sure broken windows or other obstructions do not prevent the operator from seeing 34 OSHA Office of Training & Education
Ladders Ladder Use ladders to get to the upper portion of the cab 35 OSHA Office of Training & Education
Guardrails Runways and steps need to have guardrails, handholds and slip resistant surfaces 36 OSHA Office of Training & Education
Suspended Loads Don’t stand under suspended loads 37 OSHA Office of Training & Education
Boom Angle Indicator A boom angle indicator must be on the crane 38 OSHA Office of Training & Education
Supporting Surface Cranes must be on a firm supporting 39 OSHA Office of Training & Education surface and level within 1 percent
Sheaves The grooves must be smooth and free from surface defects which could cause rope damage 40 OSHA Office of Training & Education
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Rigging Equipment Slings Types of slings include alloy steel chain, wire rope, metal mesh, natural or synthetic fiber rope, and synthetic web. Chain 45 Wire rope Metal mesh OSHA Office of Training & Education Synthetic
Annual Inspections Inspection of the hoisting machinery must be made by a competent person The employer must maintain a record of these inspections Crane wasn’t inspected and tipped over 46 OSHA Office of Training & Education
What to Inspect Correct air pressure and no leaks Tires properly inflated • Clearance for tail swing Wire rope wear Physical damage to crane Loose or missing hardware, nuts, or bolts Fluid leaks 47 OSHA Office of Training & Education • • •
Remove From Service Immediately remove damaged or defective slings from service 48 OSHA Office of Training & Education
Damaged wire rope Crushed Rope Broken Strands Damaged wire rope must be taken out of service 49 OSHA Office of Training & Education
Worn Part 50 OSHA Office of Training & Education
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