My understanding of the anti-drain back valve is that when a filter is positioned is a position other than vertical it prevents the filter from draining and causing a dry startup. The filter on the Cub is horizontal and without actually measuring, it appears the top level of the reservoir is slightly below mid level of the filter.
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Doug
Dad's 122 w/42" cast deck, spring assist, lights,weights, rear lift
1250 w/hydraulic lift, lights,weights, spring assist.
50C deck converted to an A with front wheels
44C deck converted to an A with front wheels.
QA-36A
42" blade
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