ENGINE AR-PRIMARY 5130937 - Caterpillar

start by:a) remove turbocharger 1. Put the turbocharger in position on tool (A).2. Put a mark on the compressor cover and housings for installation purpose.3. Remove bolts (1) and plates from compressor housing.4. Remove the compressor housing. 5. Remove bolts (2) and locks from turbine housing.6. Remove cartridge (3) from turbine housing. 7. Install tool (B) in tool (C). Install cartridge in tool (C).8. Remove nut (4) from the compressor wheel.
When the nut is loosened, do not put a side force on the shaft.
The compressor wheel can often be removed from the cartridge assembly without the use of the oil cooker. The oil cooker can be used for easier disassembly.
If removal of the compressor wheel is too difficult, damage to parts can be the result.
The oil used to heat the compressor wheel must have a flash point (the temperature at which the oil will burn) above 400°F (204°C).
9. Install tool (D) on an oil heater. Heat the oil to 350°F (176°C). Install the cartridge on tool (D) with only the compressor wheel in the hot oil. Keep the compressor wheel in the hot oil for ten minutes. 10. Put tool (D) and cartridge on tool (E) under a press. Install driver (F) and push the shaft out of the compressor wheel. Step 10 must be done before the compressor wheel gets cold.11. Remove compressor wheel and shroud. Remove turbine wheel and shaft.12. After removal of shaft and wheel assembly from housing, install on tool (H). See SPECIAL INSTRUCTION Form No. SMHS6998-01 to make sure the turbocharger shaft is straight.13. Remove compressor wheel and shroud. Remove turbine wheel and shaft. 14. Remove the four bolts (5) and locks from plate (6). 15. Remove plate (6), spacer, collar and thrust bearing from cartridge.16. Remove seal from plate and ring from spacer. 17. Remove bearing (7), washer (11) and snap ring (8) from compressor side of cartridge.18. Remove snap ring (13), washer (10), bearing (12) and snap ring (9) from turbine side of cartridge.19. Check all the parts of the turbocharger for damage. If the parts have damage, use new parts for replacement. See SPECIAL INSTRUCTION, Form No. SMHS6854 for TURBOCHARGER RECONDITIONING. Also see GUIDELINE FOR REUSABLE PARTS, Form No. SEBF8018.Assemble Turbocharger (Airesearch T18)
1. Make sure all oil passages are open and clean. Put clean engine oil on all parts before assembly 2. Install snap ring (6), bearing (3), washer (7) and snap ring (4) in turbine side of cartridge. Install the two snap rings with tool (A). Install the snap rings with the rounded edge toward the bearing.3. Install snap ring (2), washer (5) and bearing (1) in compressor side of cartridge. 4. Install seal (12) on plate (8) and ring (9) on spacer.5. Install collar (10) in plate and spacer (11) in collar. 6. Install thrust bearing (13) with the three radial grooves toward the outside.7. Install plate (8), bolts and locks. Tighten bolts to a torque of 35 5 lb. in. (4.0 0.6 N m). Put