Lubrication System - Yanmar 2TNV70 Service Manual

TNV IDI Service Manual
LUBRICATION
Before You Begin Servicing ............................................................ 9-3
Introduction...................................................................................... 9-4
Oil Pump Service Information.......................................................... 9-4
Engine Oil Pressure................................................................... 9-4
Outer Rotor Outside Clearance ................................................. 9-4
Outer Rotor Side Clearance ...................................................... 9-4
Outer Rotor to Inner Rotor Tip Clearance ................................. 9-4
Inner Rotor and Gear Boss Clearance ...................................... 9-5
Lubrication System Diagram ........................................................... 9-6
Checking Engine Oil Pressure ........................................................ 9-7
Trochoid Oil Pump........................................................................... 9-7
Oil Pump Components .............................................................. 9-7
Disassembly of Oil Pump .......................................................... 9-8
Cleaning and Inspection ............................................................ 9-9
Reassembly of Oil Pump ......................................................... 9-10
TNV IDI Service Manual
Section 9
SYSTEM
Page
9-1