TM 5-3805-281-24-2
Air Intake and Exhaust System
PERFORM AXIAL BEARING END PLAY TEST
This test will give an indication of the condition of the
thrust bearing within the center housing and rotating
assembly.
1. Mount magnetic base dial indicator (arrow) so that
indicator tip rests on flat surface on turbine end of
shaft. Preload indicator tip and zero dial on indicator.
2. Move shaft axially back and forth by hand.
3. Observe and record total dial indicator movement.
Turbocharger Shaft Axial Bearing--Specification
Checking Axial Bearing End Play
End Play ........................................................................ 0.064--0.114 mm
(0.0025--0.0045 in.)
If bearing end play is not within specification, install a
replacement turbocharger or replace center housing and
rotating assembly. See REPLACE CENTER HOUSING
ASSEMBLY AND ASSEMBLE TURBOCHARGER, later in
this group.)
RG,RG34710,1261
1923OCT971/1
