I don't have a TM for the 2955 and am looking at a 2030 TM, which I think is similar. Look at the schematic in your technical manual. My manual shows the bypass valve normally would open to relive pressure above 50 psi from the transmission pump if the filter was restricted, so yes it would seem it should dump to the reservoir before exploding the cover. It also shows a surge relief valve and an inlet check valve in the line from the filter to the inlet of the main pump. The check valve is supposed to stop bleed back from the main pump when the transmission pump is not working. The surge relief is to take care of spikes over 100 - 140 psi in the main pump inlet line.Yes, there used to be a loader on the tractor, so there is a return from the loader spool valves into the ported cover of the hydraulic filter housing , which has been the case since the tractor was new . and the cover is cast aluminum,,, shouldn’t the filter bypass valve alleviate pressure ?
To be clear for future reference, you are saying the gasket material came off an end of the AR75603 filter element itself, inside the housing, not a piece of the housing sealing ring?Yep ! The gasket comes off of the hydraulic filter and ends up Plugging up the line at the transmission cooler and cannot flow oil and pop breaks the canister,, only took them a day to fix it.
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