Yanmar 4LHA-HTP User Manual

Chapter 4 Intake and Exhaust System
4. Turbocharger
4LHA Seriesi
(2) Inspection of turbine shaft play
Remove the turbocharger from the engine and inspect the turbine shaft play in the axial and radial
directions according to the procedures below.
After removing the turbocharger from the engine, always blind the oil inlet and outlet ports with
gummed tape.
1) Turbine shaft play in axial direction
Magnet base
Turbine wheel chamber
Dial indicator
0
rvr
tei
fa
Service standard
Wear limit
0.06 to 0.09 mm
0.11 mm
(Play in axial direction)
Move the turbine
* • shaft in the axial
direction.
2) Turbine shaft play in radial direction
Dial indicator
Magnet base
Service standard : 0.10 to 0.17 mm
Wear limit : 0.205 mm
(Play in radial direction)
Move the turbine
shaft in the radial
direction at the
same time on the
left and right sides.
4-10

Yanmar 4LHA-HTP Specifications

General

Brand	Yanmar
Model	4LHA-HTP
Category	Engine
Language	English