The XRV 127 utilizes a dual-action slide valve mechanism operated by hydraulic oil pressure drawn from the lubrication system.
While similar, the XRV 127 has specific impeller dimensions (127 cm diameter) and unique bearing spacing. Using a different model’s manual can lead to incorrect part orders or unsafe maintenance intervals. howden xrv 127 manual
Misaligned drive coupling; worn thrust bearings; liquid slugging. The XRV 127 utilizes a dual-action slide valve
Record suction/discharge pressures, oil pressure, oil temperature, and vibration levels. Check Oil Level Verify oil level in the primary separator vessel. Every 1,000 Hours Oil Analysis worn thrust bearings
Verify oil level and ensure all gas/oil/water valves are open. Ensure the capacity control valve is in the fully unloaded Confirm the Vi liquid factor screw is correctly set.