Detroit Diesel EPA07, Workshop Manual

Page: 146 / 442

11.4 INSTALLATION OF DD15 TURBOCHARGER
11.4 INSTALLATION OF DD15 TURBOCHARGER
Install as follows:
1. If removed, install the gear box. Refer to section 13.4.
2. If removed, install the axial power turbine. Refer to section 12.4.
3. If removed, loosely install the install turbocharger support bracket to the cylinder block
4. Install interstage duct onto turbocharger.
PERSONAL INJURY
To avoid injury when removing or installing a heavy engine
component, ensure the component is properly supported
and securely attached to an adequate lifting device to
prevent the component from falling.
5. Attach a chain hoist and a suitable lifting sling to the turbocharger assembly.
6. Remove any covers that were placed over the openings of the air inlet and exhaust outlet
openings on the engine and turbocharger when the turbocharger was removed.
7. Remove any covers on the oil and coolant inlet and drain lines, and the oil and coolant
inlet and drain openings on the turbocharger.
8. Install new turbocharger fl ange gasket with the tab facing the rear of the engine.
NOTICE:
The turbocharger must be supported after it has been installed to
the exhaust manifold flange to avoid damage to the turbocharger.
9. Secure the turbocharger to the exhaust fl ange. Hand tighten bolts.
NOTE:
Do not use any type of lubricant on the inside of any air inlet hose or on the hose contact
surfaces of the turbocharger compressor housing, CAC ducting or the intake manifold.
NOTE:
When installing the turbocharger, use care when moving the turbocharger into position
onto the interstage duct.
10. Install turbocharger to turbocharger support bracket and hand tighten bolts.
11. Torque the turbocharger-to-exhaust manifold bolts to 50 N·m (37 lb·ft).
12. Tighten the interstage duct clamp to 12 N·m (9 lb·ft).
13. Torque turbine housing bracket bolts to 25 N·m (18 lb·ft).
All information subject to change without notice.
11-8
DDC-SVC-MAN-0081 2010 Copyright © 2010 DETROIT DIESEL CORPORATION