Yanmar 4LHA-HTP User Manual

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

Yanmar 4LHA-HTP Specifications

General

Brand	Yanmar
Model	4LHA-HTP
Category	Engine
Language	English