TM 5-2420-230-24-2
Section 10 - Air Intake System - Group 10
Turbocharger - Cleaning and Inspection for Reuse (10-01)
B Series Shop Manual
Page 10-5
Turbocharger - Cleaning and Inspec-
tion for Reuse (10-01)
Remove all carbon deposits and gasket material from
surfaces (1), (2), and (3).
Warning: When using a steam cleaner, wear protective
clothing and safety glasses or a face shield. Hot steam
will cause serious personal injury.
Caution: Tape or plug all openings to prevent solvent or
steam from damaging the oil cavities in the turbocharger.
Use solvent or steam to clean the exterior of the turbo-
charger. Dry with compressed air.
Inspection
Visually inspect the housings for damage.
Visually inspect the turbine wheel and compressor im-
peller (1) for fretting, cracked or broken vanes.
Turn the impeller in the direction shown with arrow (2), to
inspect the turbine shaft for freedom of rotation. The shaft
must rotate freely.
Replace damaged parts.
Measure the turbocharger shaft end clearance with the
Part No. ST-537 Dial Depth Gauge.
Push the rotor assembly away from the gauge.
Set the gauge on zero.
Push the rotor assembly toward the gauge and record the
data.
End Play
mm
in
0.03
MIN
[0.001]
0.08
MAX
[0.003]
L-414
