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TM 10-3930-643-34
GENERAL SUPPORT ENGINE, FUEL, EXHAUST AND COOLING MAINTENANCE. (cont)
13-14.
Turbocharger. (Sheet 9 of 10)
ASSEMBLY (cont)
NOTE
Aline punch marks on
center housing.
Use
damage seal ring.
installation, engage
backplate and
care not to
To ease
open side of
43.
44.
45.
46.
47.
48.
49.
50.
-
-
-
seal ring in backplate bore first.
Install new seal ring (16) on
compressor side of
center
housing
(28).
Using a flat brass punch, install
spring (19) in backplate (15).
Install backplate (15) over shaft of
wheel assembly (10) and thrust collar
(17) in center housing (28).
Install lockplates (14) and four
bolts (13) in center housing (28).
Bend tabs on lockplate (14) to secure
four bolts (13).
Install impeller (11),
Lubricate threads of wheel assembly
(10) shaft and contact face of
locknut (9) with clean engine oil.
Install new locknut (9), finger
tight.
NOTE
Place center housing in soft-
jawed vise. Clamp on hex-end of
turbine wheel.
51.
Using a 9/16” socket and torque
wrench, tighten locknut (9) to 18 to
20 lb-ft. Tighten an additional 1/4
turn after reaching specification.
Go to sheet 10
13-94
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