Volvo Penta D1-13 Workshop Manual page 40

20-0 Engine Information, General
1 Oil filter
2 Oil pressure monitor
3 Pressure relief valve
4 Inlet pipe with strainer
5 Main oil duct
6 Oil pump
7 Oil delivery pipe (outer) to valve mechanism
8 Crankcase ventilation, valve
38
Group 22: Lubrication System
The engines are provided with a complete pressure
lubrication system. The lubricating oil pump is a gear
wheel pump, and is driven by the crankshaft. Lubricat-
ing oil is led through an external pipe to the valve
mechanism.
The lubrication system has a relief valve which limits
the maximum oil pressure in the engine.
The oil filter is of full-flow type and is fitted with an
overflow valve.
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