HAWE V30D Variable Servo Oil Pump on WinGD Engines | Principle, Troubleshooting, Maintenance

How the HAWE V30D-140 variable axial piston servo oil pump on WinGD engines works, how to diagnose it, and how to maintain and overhaul it: type code, hydraulic circuit port by port, operation and fallback, key data, installation, commissioning, pressure setting, troubleshooting, maintenance intervals, a step-by-step overhaul, overhaul groups, seal kits, piping and ordering spare parts. Independent training material, not affiliated with HAWE or WinGD. Always follow the latest official documentation and safety rules on board. 0:00 Intro 0:21 What it is 1:39 Reading the type code 2:17 General arrangement views 4:17 Hydraulic circuit 8:22 Operation 9:04 Key data and limits 9:44 Installation and commissioning 11:22 Pressure setting 13:44 Troubleshooting 15:38 On-site verification 16:14 Routine maintenance 17:18 Maintenance intervals and checks 20:06 Overhaul plan and sections 22:40 Seal kits 23:31 Overhaul step by step 28:51 Spare parts and piping 29:52 Ordering spare parts 30:39 Key points