Yanmar 6LY3 series - Checking the Rotor Radial Play

TURBOCHARGER
Turbocharger Periodic Inspections
12/05
6LY3 Service Manual
9-11
© 2007 Yanmar Marine International
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)).
3. Measure the travel with the dial indicator.
4. Compare readings with the maintenance
standard limits that follow:
Figure 9-5
Figure 9-5
1 – Dial Indicator
2 – Magnetic Base
3 – Move the turbine rotor shaft back and forth
evenly in a radial direction.
4 – Oil Inlet
Rotor Radial Play
0.11-0.18 mm (0.004-0.007 in.)
Limit: 0.215 mm (0.0084 in.)
(
1
)
(
2
)
(
3
)
(
4
)
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