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Accidents related to tyre inflation

INFORMATION. Accidents related to tyre inflation. Two lethal cases reported from the Finnish market, involving trained and experienced tyre fitters Parkkola accident Lyks accident. Parkkola accident. Two workers died (June 2003)

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Accidents related to tyre inflation

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  1. INFORMATION Accidents related to tyre inflation Two lethal cases reported from the Finnish market, involving trained and experienced tyre fitters Parkkola accident Lyks accident

  2. Parkkola accident • Two workers died (June 2003) • Accident investigated by Mr Seppo Wallenius Autorengasliitto Ry, and MD Vuoksen Kumi Oy

  3. Parkkola accident • Inflating a new-fitted 33 inch earth-mover tire on a 5 piece rim with a damaged lock-ring. • Lock-ring was bent and one worker tried to get it into place by hitting it with a sledge hammer. The assembly disengaged at a pressure of approx. 600 kPa • The man with sledge was killed from rim parts and discharged pressure when the rim assembly “exploded” • The other man was killed when the 1175 kg tyre fell over him

  4. Presumable reasons for the accident /Mr. Wallenius investigation Rim parts and grooves were not cleaned properly Deformation of lock-ring was not found or they did not care No use of tyre fitting lubricant Tire inflated without distance filling Rush

  5. Cord break up Lyksaccident • Tyre fitter inflated a used tire to check casing condition • Tire bursted from cord break-up • Tire fitter died instantly from head injury

  6. Utmost care must be taken when inflating tyres Truck tyre at a pressure 800 kPa releases a chock-wave of 32 tons if it explodes

  7. Safety precautions • Never use damaged rim and rim-parts • Use proper lubricant • If lock ring is displaced, deflate before adjusting • Do not use force and never hammer on inflated assemblies • Always use safety-cage when inflating • If no safety-cage is available, stand well away and use distance filling

  8. Safety precautions • Never sit or lean against a tyre while inflating • Always supervise the tyre during inflation

  9. Safety precautions • Never inflate passenger and truck tyres over 300 kPa without safety-arrangements • Never inflate Off the Road and agricultural tires over 150 kPa without safety arrangements

  10. Training • During 2003 Training for Finnish tire fitters has been given by: Kumiteollisuus (Finnish rubber ind.)and Autorengasalan työalatoimikunta (tyre dealers association) • 94 workers from 14 companies participated • Make sure that safety information is followed !!!

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