Fig 7-2
Flange for connections 202, 203, dry sump (4V32A0506a)
The lubricating oil sump is of wet sump type for auxiliary and diesel-electric engines. Dry sump
is recommended for main engines operating on HFO. The dry sump type has two oil outlets
at each end of the engine. Two of the outlets shall be connected to the system oil tank.
The direct driven lubricating oil pump is of gear type and equipped with a pressure control
valve. The pump is dimensioned to provide sufficient flow even at low speeds. A stand-by
pump connection is available as option. Concerning suction height, flow rate and pressure of
the pump, see Technical data.
The pre-lubricating pump is an electric motor driven gear pump equipped with a safety valve.
The pump should always be running, when the engine is stopped. Concerning suction height,
flow rate and pressure of the pump, see Technical data.
The lubricating oil module built on the engine consists of the lubricating oil cooler, thermostatic
valve and automatic filter.
The centrifugal filter is installed to clean the back-flushing oil from the automatic filter.
7-4
Wärtsilä 20 Product Guide - a13 - 6 September 2016
Wärtsilä 20 Product Guide
7. Lubricating Oil System
Содержание WARTSILA 20
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