6LY3 Service Manual
8-1
© 2007 Yanmar Marine International
6LY3 Service Manual
Section 8
LUBRICATION
Page
Safety Precautions .......................................................................... 8-3
Introduction...................................................................................... 8-3
Lubrication Components and Functions.......................................... 8-4
Oil Pump Components and Functions............................................. 8-5
Oil Pump Specifications............................................................. 8-5
Oil Pump Components .............................................................. 8-6
Removing the Oil Pump............................................................. 8-7
Inspecting the Oil Pump ............................................................ 8-7
Installing the Oil Pump............................................................... 8-7
Oil Pressure Control Valve Components and Functions ........... 8-8
Replacing the Oil Pressure Control Valve ................................. 8-8
Oil Filter Components and Functions .............................................. 8-9
Replacing the Oil Filter ............................................................. 8-9
Oil Cooler Components and Functions ......................................... 8-10
Inspecting the Oil Cooler ......................................................... 8-10
Rotary Waste Oil Pump Components and Functions (Optional) ... 8-10
Rotary Waste Oil Pump Components...................................... 8-11
Inspecting the Waste Oil Pump ............................................... 8-11