Mercury MerCruiser D2.8L D-Tronic Service Manual page 820

TURBOCHARGER
Inspection
IMPORTANT: If turbine shaft bearing axial or radial play is excessive, replace
turbocharger.
AXIAL (END) PLAY - MEASURING
1. With turbocharger held in vise, attach dial indicator as shown following.
2. Move turbine shaft in direction shown. Maximum axial play (end play) is 0.15 mm
(0.0059 in.).
3. If measured value is greater than specified, replace the turbocharger.
RADIAL (SIDE) PLAY - MEASURING
1. With turbocharger held in vise, attach dial indicator as shown in following.
2. Move turbine shaft in direction shown. Maximum radial (side) play is 0.42 mm
(0.0165 in.).
3. If measured value is greater than specified, replace the turbocharger.
Page 7C-18
a. Measuring Axial (End) Play
a. Measuring Radial (Side) Play
SERVICE MANUAL NUMBER 22
70995
70996
90-860074--1 FEBRUARY 2002