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

Turbocharger Periodic Inspections
12/05

Checking the Rotor Radial Play

1. Set the magnetic dial indicator to measure
movement of the floating bearing as shown in
Figure 9-5.
2. Grasp both the turbine and impeller and move
them back and forth evenly in a radial direction
(Figure 9-5, (3)).
Figure 9-5
1 – Dial Indicator
2 – Magnetic Base
6LY3 Service Manual
3. Measure the travel with the dial indicator.
4. Compare readings with the maintenance
standard limits that follow:
( 1 )
( 4 )
Figure 9-5
3 – Move the turbine rotor shaft back and forth
4 – Oil Inlet
© 2007 Yanmar Marine International
TURBOCHARGER
Rotor Radial Play
0.11-0.18 mm (0.004-0.007 in.)
Limit: 0.215 mm (0.0084 in.)
( 2 )
( 3 )
0005898
evenly in a radial direction.
9-11