Screw Pump · Pumps
This equipment is commonly found in the engine room of marine vessels, where it plays a crucial role in the oil service operations. Designed to handle both lube oil and fuel oil, the LPD is a marine-rated three-screw pump that operates via an electric drive mechanism. Its primary function is to maintain the necessary oil service for the ship's engines. However, like any mechanical system, it can encounter several common issues such as low delivery pressure due to screw wear, mechanical seal leakage, noise and vibration caused by cavitation, and bearing wear because of low oil viscosity. To ensure reliable operation, it is essential to keep spare parts such as the mechanical seal, screws, bearings, gaskets, and relief valve kit on hand. Regular maintenance includes checking the pump pressure and noise levels during operation, cleaning the suction strainer, and inspecting the relief valve. Any signs of low pressure or abnormal vibration should prompt an overhaul to maintain the pump's efficiency and longevity.
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What our service work and the manufacturer documentation say about keeping this model running.
Check pump pressure and noise during operation. Clean suction strainer and inspect relief valve. Overhaul on low pressure or abnormal vibration.
Mechanical seal, screws, bearings, gaskets and relief valve kit should be kept for essential oil service.
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