Technical expertise on the cause of final drive unit failure of the VAZ Niva
Journal Title: Invention Journal of Research Technology in Engineering & Management - Year 2018, Vol 2, Issue 5
Abstract
The article concerns the case of damaged front axle final drive unit of the VAZ Niva and the methodology a technical expert applied to identify a direct cause of failure. The final drive unit failure occurred when operating a vehicle after 22, 804 km service, the failure being manifested by oil leakage, damage to the crown wheel teeth and bevel gear pinion (pear-shaped), and damage to the shaft assembly bearings of conical gears. The above-mentioned failure had to be assessed by a technical expert to determine whether it had been caused by a material defect or occurred because of the mode of using the vehicle. To determine the cause, a vehicle has been inspected on the car service station premises, where a technical expert was present and according to his instructions, diagnostic and subsequent disassembly works were done. The procedure of evaluating the key characteristics on individual parts, their display and the resulting evaluation are described
Authors and Affiliations
Ján Mandelík
Keywords
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