Red Seal Transport Trailer Technician case studies
Red Seal Transport Trailer Technician · Put your knowledge to work in context.
The Red Seal Transport Trailer Technician certification is an interprovincial trade credential for people who inspect, diagnose, repair, and maintain commercial trailers - van, flatdeck, tank, dump, and specialized units - along with their air brake, suspension, electrical, coupling, and accessory systems. It is written for apprentices finishing their training and for experienced technicians who want their skills recognized across Canada. The Red Seal Transport Trailer Technician case studies are 5 cases and about 3,720 words.
1Trailer Brake Releases Slowly on One Side
A 2019 53 ft dry van with tandem axles and spring brakes comes in after a 40 km highway run. The driver reports the trailer pulling right during the last few stops and the right rear wheels feeling hot.
762 words, about 4 min2Intermittent Turn Signal and Dim Marker Lamps on Aluminum Flatbed
A 2021 aluminum flatbed uses LED lighting and a seven-way cord. The driver reports that the right turn signal sometimes flashes quickly, the marker lamps dim when the brake pedal is applied, and the radio crackles when the lights are on.
727 words, about 4 min3Air-Ride Slider Vibration and Irregular Tire Wear
A 2020 53 ft reefer trailer with an air-ride slider suspension is brought in for a vibration felt at 90 to 105 km/h and irregular wear on the right front axle outer tire. The tread has diagonal scalloping, and the outside shoulder is worn more than the inside.
723 words, about 4 min4Fifth Wheel Wear and Bent Landing Gear Leg
A 2018 53 ft dry van is at a loading dock with the landing gear down. The driver reports that the fifth wheel did not lock positively on the last couple of hookups and that the landing gear crank is very hard to turn.
809 words, about 4 min5Cracked Crossmember on an Aluminum Flatbed
A 2016 48 ft aluminum combination flatbed has a 150 mm crack at the weld where a crossmember meets the main beam. The crack runs from the weld toe into the web of the main beam.
699 words, about 3 min