Checking The Rotor Axial Play - Yanmar 6LY3 series Service Manual

TURBOCHARGER

Checking the Rotor Axial Play

1. Remove the turbocharger from the engine.
2. Cover all inlet openings to prevent any ingestion
of debris.
3. Install a magnetic dial indicator as shown in
Figure 9-4.
Figure 9-4
( 6 )
1 – Turbine Housing
2 – Oil Outlet
3 – Magnetic Base
9-10
4. Move the turbine / impeller back and forth in an
5. Compare readings with the maintenance
( 3 )
( 1 )
( 2 )
( 5 )
Figure 9-4
© 2007 Yanmar Marine International
Turbocharger Periodic Inspections
axial direction (Figure 9-4, (6)) and measure
travel on the dial indicator.
standard limits that follow:
Rotor Axial Play
0.06-0.09 mm (0.002-0.003 in.)
Limit: 0.11 mm (0.004 in.)
( 4 )
0005897
4 – Dial Indicator
5 – Oil Inlet
6 – Move the turbine rotor shaft in an axial
direction.
6LY3 Service Manual