Working on a 345bl. Cant curl the bucket, boom wont lift tracks off the ground and r.side track doesn't want to move. Track gets tight but wont travel. Pilot pressures are in spec. (700 psi). Checked main hydraulic pressure and got (600 psi). Adjusting main relief doesn't effect pressure readings. Have E.T. and no codes are present or logged.
Check your filters for metal. Later Bob
Is the pump even responding (sound like the engine even lugs down slightly) ? Is 600psi more than standby ? Both pumps acting the exact same ? Are the pump compensators getting NFC signals from the valve bank ?
I'd check the filters for metal before you run it too much more.