Heavy Duty Trucking, February 2018
HDT FEBRUARY 2018 82 WWW TRUCKINGINFO COM Whats stopping you THE SURVEY SAYS ven with all the advances in braking technology most respondents are still opting for drum brakes when it comes to their tractors and trailers Close to 60 of the fleets surveyed do not use air disc brakes with less than 10 utilizing them on their entire fleet For those considering the switch to disc brakes more than 80 are looking to install them on their tractors while only about 20 are considering them for their trailers When it come to drum brake maintenance a quarter of the respondents say techs are still doing exactly what brake makers say not to do manually adjusting the automatic slack adjuster 0 10 20 30 40 50 60 0 25 50 75 100 10 20 30 40 50 60 70 80 StoppingabilityPrice0 Readjust the automatic slack adjusterReplace the slack adjusterand 0 10 20 30 40 50 CostWeightCost and weightS cam brakesdo an adequatejob0 10 20 30 40 50 60 70 80 StoppingabilityPrice0 20 40 60 80 100 TractorTrailer0 10 20 30 40 50 60 70 80 Readjust the automatic slack adjusterReplace the slack adjusterand le a warranty claimInspect the foundationbrake for loose worn ormissing components or other physical defects0 0 10 20 30 40 50 CostWeightCost and weightS cam brakesdo an adequatejob0 10 20 30 40 50 60 70 80 StoppingabilityPrice0 20 40 60 80 100 TractorTrailer0 10 20 30 40 50 60 70 80 Readjust the automatic slack adjusterReplace the slack adjusterand le a warranty claimInspect the foundationbrake for loose worn ormissing components or other physical defects0 10 20 30 40 50 60 0 25 50 75 100 10 20 30 40 50 60 70 80 StoppingabilityPrice0 Readjust the automatic slack adjusterReplace 10 20 30 40 50 60 0 10 20 30 40 50 CostWeightCost and weightS cam brakesdo an adequatejob0 10 20 30 40 50 60 70 80 StoppingabilityPrice0 20 40 60 80 100 TractorTrailer0 10 20 30 40 50 60 70 80 Readjust the automatic slack adjusterReplace the slack adjusterand le a warranty claimInspect the foundationbrake for loose worn ormissing components or other physical defects What portion of your fleet is currently using air disc brakes If you are presently considering a switch from drum to disc brakes are you planning to install them first on the tractors or trailers When an over stroking s cam brake is detected during a PM what steps do your technicians take to remedy the problem When purchasing aftermarket friction and brake drums do you consider their ability to meet DOTs reduced stopping distance requirements or do you buy on price alone If you are currently not considering switching to air disc brakes what is holding you back E This information was provided by members of the HDT Editorial Advisory Board For more information and to learn how to become a member contact Managing Editor Stephane Babcock at sbabcock@ truckinginfo com
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