SOLAS Heavy Vehicle Mechanic case studies
SOLAS Heavy Vehicle Mechanic · Put your knowledge to work in context.
The Heavy Vehicle Mechanic apprenticeship is a craft apprenticeship listed in Ireland's national apprenticeship system, which is coordinated by SOLAS and promoted through the Generation Apprenticeship portal. It is aimed at people who want to train as mechanics working on trucks, buses, coaches and other large commercial vehicles, combining on-the-job training with an employer and off-the-job phases in a training centre or college. The SOLAS Heavy Vehicle Mechanic case studies are 5 cases and about 3,769 words.
1Low Air Warning on a 6x2 Tractor Unit
A 2018 6x2 tractor unit with 420,000 km on the odometer is brought in after the driver reports a low-pressure warning and a brief drag from the spring brakes while descending a long gradient. In the workshop the compressor builds from 0 to 6.0 bar in 3 min 40 s; governor cut-out is 8.0 bar and cut-in is 6.6 bar.
797 words, about 4 min2Euro 6 Truck in Derate After Short-Journey Duty
A 2019 Euro 6 18-tonne rigid used for stop-start urban deliveries has 260,000 km and comes in with the engine derated and a DPF warning lamp on. The driver says the truck has done mostly short runs with frequent cold starts and that the warning appeared after a week of low-speed work.
803 words, about 4 min3Battery Drain on a 24 V Recovery Truck
A 2020 24 V recovery truck with two 12 V batteries in series is recovered after standing for three days; the batteries are flat and the starter will not crank. Both batteries pass a conductance test and are 14 months old.
768 words, about 4 min4AMT Clutch Judder When Hot
A 2017 18-tonne rigid with an automated manual transmission has 310,000 km and judders when pulling away from rest once the driveline is hot, especially after 20 minutes of stop-start traffic. There are no transmission fault codes.
717 words, about 4 min5Chassis Rail Crack After an Unapproved Weld Repair
A 2015 26-tonne rigid used with a demountable body has a 60 mm crack in the left chassis rail, starting at the lower flange near the rear spring hanger. The area has previously been welded by a mobile repairer; the weld is lumpy and there is a second short crack at the edge of the weld.
684 words, about 3 min