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- Feb 19, 2020
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Bert will straighten us out but I believe to a cool down period is like the one truck drivers do with their big rigs. Allowing time for things to cool down while running off load. Allowing the fans to cool the hydros after they had been working hard. Keeping them clean of debris keeps a lot too. Actually the whole mower should cleaned debris after mowing as it prevents a lot problems.I'm thinking Bert means to blow off the dirt/debris on the hydros after each use. A "Dirt blanket" left on them will cause incredible heat internally, & that is BAD.
I got a customer with a Super Z that I must keep the hydro radiator clean or you can cook a meal on the heat coming off it. He was instructed when finish mowing to allow the mower run until coming off the radiator is a lot cooler then when he first checks it. At it is a separate cooling fan system.
And this is a head up on those systems that have radiators for the hydros they must be keep clean of debris too. I had one customer with a stand on that lost both cylinder heads and the expensive engine shroud because he didn't keep the radiator clean. On that particular machine they mounted the radiator directly on the engine's cooling fan so everything overheated. What a repair bill.