TM-9-2990-205-34&P Parts Manual, Tools and Maintenance for Turbocharger Model 5HDR Download
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TM 9--2990--205--34&P 0005 00--3 TROUBLESHOOTING INSTRUCTIONS -- CONTINUED 0005 00 TABLE 2--1. TROUBLESHOOTING MALFUNCTION PROBABLE CAUSE(S) CORRECTIVE ACTION 1. Compressor wheel or turbine wheel does not turn freely when spun by hand. a. Dirt build up behind compressor wheel, or dirt or carbon build--up behind turbine wheel. Disassemble and clean turbo. Refer to WP 0008 00--1. b. Foreign object damage, worn bearings or thrust surfaces, or damaged compressor wheel or turbine wheel. Disassemble turbo and replace worn or damaged parts. Refer to WP 0008 00--1. 2. Evidence of compressor wheel rubbing. Worn or damaged bearings or thrust rings, worn bore in bearing housing; worn or bent shaft, or bent or damaged compressor wheel. Disassemble the turbo and replace worn or damaged parts. Refer to WP 0008 00--1. 3. Evidence of turbine wheel rubbing. Worn sleeve bearing, or bent or damaged turbine wheel, or worn bore in bearing housing; worn or bent shaft. Disassemble the turbo and replace worn or damaged parts. Refer to WP 0008 00--1. 4. Excessive radial movement. Refer to WP 0005 00--1. Worn sleeve bearings, or worn shaft and turbine wheel assembly, or worn bore in bearing housing. Disassemble the turbo and replace worn or damaged parts. Refer to WP 0008 00--1. 5. Excessive oil leaking into compressor housing from bearing housing. Flinger sleeve metal seal ring worn or broken. Disassemble the turbo and replace flinger sleeve metal seal ring. Refer to WP 0008 00--1. 6. Excessive oil leaking into the turbine from the bearing housing. Turbine wheel and shaft assembly metal seal ring worn or broken. Disassemble the turbo and replace metal seal ring. Refer to WP 0008 00--1. 7. End play greater than 0.006 inch. Worn thrust surfaces on thrust bearing and thrust rings. Disassemble the turbo and replace worn or damaged parts. Refer to WP 0008 00--1. 8. End play less than 0.004 inch. Dirt build--up behind turbine wheel or dirt build--up behind compressor wheel. Disassemble and clean turbo. Refer to WP 0008 00--1. 9. Turbo makes excessive noise. Dirt build--up between bearings and housing. Disassemble and clean turbo. Replace worn or damaged bearings. Refer to WP 0008 00--1. END OF WORK PACKAGE 0005 00--3/4 blank