TM 9-2320-363-34-2
21.
22.
23.
24.
26.
26.
27.
C A U T I O N
Make sure bolts are tightened enough to prevent turbine housing from
contacting turbine wheel.
POSITION TURBINE HOUSING (26), AS MARKED IN DISASSEMBLY, AGAINST CENTER HOUSING
(2). COAT THREADS OF FOUR NEW BOLTS (27) WITH ANTISEIZE COMPOUND. INSTALL BOLTS
(27) AND TIGHTEN TO 160-190 LB-IN. (18.1 -21.5 N.m).
ATTACH DIAL INDICATOR (28) TO TURBINE HOUSING (26) SO DIAL INDICATOR PLUNGER (29)
RESTS ON HUB END OF TURBINE WHEEL ASSEMBLY.
APPLY MANUAL PRESSURE TO COMPRESSOR WHEEL AND TURBINE WHEEL ASSEMBLY TO
MOVE ASSEMBLY AS FAR AS IT WILL GO AWAY FROM TURBINE END OF TURBOCHARGER
(AWAY FROM DIAL INDICATOR PLUNGER (29)).
SET DIAL INDICATOR (28) AT ZERO.
APPLY MANUAL PRESSURE TO COMPRESSOR WHEEL AND TURBINE WHEEL ASSEMBLY TO
MOVE ASSEMBLY AS FAR AS IT WILL GO TOWARD TURBINE END OF TURBOCHARGER
(TOWARD DIAL INDICATOR PLUNGER (29)). NOTE MAXIMUM SHAFT MOVEMENT SHOWN ON
DIAL INDICATOR (28).
REPEAT STEPS 23, 24, AND 25 SEVERAL TIMES TO MAKE SURE MAXIMUM BEARING AXIAL
CLEARANCE, AS INDICATED BY MAXIMUM TURBINE WHEEL ASSEMBLY MOVEMENT, HAS BEEN
MEASURED. -
BEARING AXIAL CLEARANCE MUST BE 0.0020-0.0032 IN. (0.051-0.081
REPAIR TURBOCHARGER IF BEARING AXIAL CLEARANCE DOES NOT
mm). DISASSEMBLE AND
MEET SPECIFICATION.
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