Policy ineffectiveness or offsetting behavior? An analysis of vehicle safety inspections
Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of...
-
Upload
shannon-robinson -
Category
Documents
-
view
222 -
download
0
Transcript of Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of...
![Page 1: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/1.jpg)
Office of Highway Safety
Vehicle FactorsVehicle Factors
![Page 2: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/2.jpg)
Vehicle IssuesVehicle Issues
• Postfire vehicle examination• Lack of systematic vehicle
maintenance/inspections• No Federal requirement for wheel
bearing inspections• Wheel bearing maintenance
information
![Page 3: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/3.jpg)
![Page 4: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/4.jpg)
![Page 5: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/5.jpg)
Prefire EventsPrefire Events
• At 5:50 a.m., motorist – Sees sparks– Sees wheel hub glowing orange–red– Stops motorcoach– Tells motorcoach driver of right-rear
wheel glowing orange–red
• Motorcoach driver pulls over to interstate shoulder
![Page 6: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/6.jpg)
![Page 7: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/7.jpg)
![Page 8: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/8.jpg)
![Page 9: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/9.jpg)
Damaged bearing rollers Undamaged wheel bearing
Accident Motorcoach Bearings
![Page 10: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/10.jpg)
Sources of Friction and HeatSources of Friction and Heat
• Lack of wheel bearing lubrication caused roller deformation
• Deformed rollers shifted brake components, causing friction and heat
• Temperatures increased within wheel well and ignited rubber tire
![Page 11: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/11.jpg)
Accident Vehicle MaintenanceAccident Vehicle Maintenance
• No evidence of systematic scheduled maintenance
• Driver did not conduct pretrip inspections or check hub oil levels
• Vehicle manufacturer specifies checking hub oil levels daily
• Global’s owner reported not paying drivers to conduct pretrip/posttrip vehicle inspections as required
![Page 12: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/12.jpg)
Federal Vehicle InspectionsFederal Vehicle Inspections
• Accident motorcoach manufacturer specified daily hub oil inspections
• No Federal requirements for inspection
![Page 13: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/13.jpg)
MCI Maintenance ManualMCI Maintenance Manual
• Lack of specific warning on consequences of inadequate wheel bearing lubrication
• Need to warn vehicle owners of this problem
![Page 14: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/14.jpg)
Motorcoach AssociationsMotorcoach Associations
• Advise members of dangers and consequences of wheel bearing failure
• Advise manufacturers to review maintenance manuals accordingly
• Advise manufacturers to disseminate customer advisory bulletins
![Page 15: Office of Highway Safety Vehicle Factors. Vehicle Issues Postfire vehicle examination Lack of systematic vehicle maintenance/inspections No Federal requirement.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649eef5503460f94bfebbe/html5/thumbnails/15.jpg)