Education: Secondary (high) school graduation certificate. Tasks: Adjust, repair or replace parts and components of commercial transport truck systems. Inspect and test mechanical units to locate faults and malfunctions. Inspect mechanical units to locate faults and malfunctions. Review work orders . Adjust, repair or replace parts and components of truck-trailer systems. Repair or replace mechanical units or components. Test and adjust repaired systems to manufacturer's specifications. Estimate parts and labour cost to perform vehicle maintenance and repairs . Perform scheduled maintenance service. Test and adjust units to specifications. Complete reports to record problems and work performed. Experience: 1 to less than 7 months.