hi guys, im having an issue with my 320d serial kgf 01510 after working for 5 mins the hydraulic pressure drops completely and machine goes dead (no load on engine), after that if i switch the engine off and on again the machine starts working normally again for a few mins.checking the pump pressure from the monitor at idle its around 4000 kpa and when it goes dead it drops to around 1200 kpa. no error codes! ive checked main relief valve,calibrations,hydraulic filters,oil cooler return line check valves and flow limit valve and found nothing. any ideas as to what else could be the problem? cheers
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