If the hour meter isn't showing any additional hours after mowing 2-3 hours after 422.9 reading, it ain't accurate. I believe the 1/10 dial (6 minutes interval) will move the 1 hour dial when .9 is reached and in the process of going into the next hour....therefore it could be stuck.
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Two 125's and a 124 all with 42" decks
Plow blade
#2 Cart
QA36 snowthower
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