Yanmar 3TNV82A Service Manual page 285

TNV DI Service Manual
TURBOCHARGER
Before You Begin Servicing .......................................................... 10-3
Introduction.................................................................................... 10-5
Specifications ................................................................................ 10-5
Turbocharger Service Information ........................................... 10-5
Troubleshooting............................................................................. 10-6
Excessive Exhaust Smoke ...................................................... 10-6
Generates White Smoke ......................................................... 10-7
Sudden Oil Decrease .............................................................. 10-7
Decrease in Output.................................................................. 10-7
Poor (Slow) Response (Starting) of Turbocharger .................. 10-7
Abnormal Sound or Vibration .................................................. 10-7
Turbocharger Components ........................................................... 10-8
Turbocharger Component Functions........................................... 10-10
Theory of Operation............................................................... 10-11
Compressor Side Sealing Mechanism .................................. 10-11
Waste Gate Modulation ......................................................... 10-11
Washing Procedure..................................................................... 10-12
Periodic Inspection ...................................................................... 10-13
Visual Inspection ................................................................... 10-13
Inspection of Rotor Rotation .................................................. 10-13
Inspection of Rotor Play ........................................................ 10-13
Removal of Turbocharger...................................................... 10-13
Checking Rotor Play.............................................................. 10-14
Waste Gate Valve Test.......................................................... 10-14
Waste Gate Actuator Leak Test ............................................ 10-15
Installation of Turbocharger................................................... 10-15
TNV DI Service Manual
Section 10
Page
10-1