The tractor disc mower is a crucial machine for harvesting lawns, and it is essential for farmers to have it available from spring to the end of summer. Despite technological advancements, these mowers still experience breakdowns. To understand the most frequent breakdowns in disc mowers, we specifically examined the performance of the Pӧttinger Novacat 266 F front disc mower. Our findings revealed that most failures occur inside the mower deck, where key components for the proper functioning of the mower are located. For example, we focused on the first gear pair and calculated the forces on the gears to understand why failures occur, such as the breakage of teeth on the pinion and how this failure chain affects the cutting ridge. Ultimately, we created a workshop drawing of the first gear pair based on our analysis.
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