A professional who examines and adjusts or repairs engines, chassis, electrical systems, and interior furnishings of buses. Respnsibilities include:

• Starts engine and listens for indications of malfunctions.
• Tests engine components, such as carburetors, distributors, radiators, and fuel pumps, to determine causes of malfunctions, using timers, gauges, and other testing devices.
• Inspects chassis for defects in parts, such as universal joints, drive shaft, and air-suspension units.
• Inspects electrical systems and equipment and interior furnishings.
• May be designated according to specialty as chassis inspector; electrical inspector; engine inspector.