Service Specifications - Yanmar 4LHA-HTP Operation Manual

Chapter 4 Intake and Exhaust System
4. Turbocharger
4-3

Service Specifications

4-3-1 Service standards
Turbine shaft Turbine shaft journal outside diameter (A)
Turbine side seal ring groove width (E)
Compressor side seal ring groove width (G)
Turbine shaft runout
Floating bearing inside diameter (C)
Bearing
Floating bearing outside diameter (D)
Bearing case inside diameter (B)
Thrust bearing width (J)
Thrust
bearing
Thrust bushing groove to groove distance (K)
Turbine side (bearing wheel chamber) (F)
Seal ring
inserting area
Compressor side (seal plate) (H)
Turbine shaft play in axial direction
Turbine shaft play in radial direction
Inspection item
4-7
(Unit:
Usable limit Remarks
11.380
1.330
1.520
0.011
11.460
15.980
16.110
4.280
4.480
17.030
14.050
Service standard:
0.110
0.06 to 0.09
Service standard:
0.205
0.10 to 0.17
4LHA Seru
mm)