TM 10-4320-307-24
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TURBOCHARGER (HC3-16) REPAIR (CONT).
13. Position compressor housing (25) on bearing housing (2) and line up match marks made before disassembly.
14. Coat threads of capscrews (26) with high temperature antiseizecompound.
15. Install 10 capscrews (26) with lockwashers (27) and damp plates (28).
16. Position turbine housing (29) on bearing housing and line up match marks.
17. Install V-clamp (30) and tighten new locknut (31) to 120 in-lbs (13.5 Nm) to secure turbine housing (29) to bearing
housing (2).
18. After assembly, push rotating assembly as far as possible from turbine end, rotate and check for binding. Repeat
check, pushing from compressor end.
19. Use dial indicator to check total end clearance. Totalend clearance must be within 0.001 inch (0.03 mm) and 0.004
inch (0.10 mm).
20. Check compressor radial clearance as follows:
a.
Push shaft toward side of bore.
b.
Using feeler gauge, check minimum distance between tip of impeller vanes and bore. The distance must be
0.008 to 0.016 inch (0.20 to 0.41 mm).
21. Check turbine radial clearance in accordance with step 20. The clearance must be 0.011 to 0.019 inch (
0.28 to
0.48 mm).
22. Install turbocharger in accordance with paragraph 2-40.
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