I have just purchased a Zaxis 50U (roughly 2005) at a very reasonable price however it has slow hydraulics. When operating the machine the hydraulics take ages to build up pressure to work and when they do they move at such a slow speed. The previous owner had spend a lot of money trying to fix the issue. However it was a business and couldn't afford to keep the machine out of operation thus the reason for selling. The previous owner had performed the following repairs: - Repaired slipper plate and piston spool. - Reconditioned Pump - New Pilot Pump - Reinstall pump and tested - Blow out fuel lines - Cleaned pilot speed control valve - Reset valves to specifications - Drained Hydraulic Tank - Remove main control valve - Refilled and bled pumps - Reduce main pump output flow Could anyone shed some light on what may be the problem and how it could possibly be fixed. Also if anyone could supply a Technical manual for this machine would greatly appreciated. Many thanks, Chris
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