Yanmar 4BY - Tests and Adjustments; Engine Oil Flow

LUBRICATION
8-8
BY Service Manual
Tests and Adjustments
TESTS AND ADJUSTMENTS
Engine Oil Flow
Figure 8-1
1 – Camshaft Bearings
2 – Hydraulic Valve Adjuster
3 – Oil Galleries
4 – Piston Cooling Jet
5 – Crankshaft Bearings
6 – Oil Gallery for Pressure Regulator Valve
7 – Oil Pump
8 – Oil Return
9 – Oil Filter
10 – Timing Chain Lubrication Nozzle
11 – Port to Turbocharger Lubrication Line and
Oil Pressure Sensor Line
12 – Piston Cooling Oil Pressure Regulator
0003789
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