STARTING MOTOR GP-ELECTRIC 1068553 - Caterpillar

Disassemble Turbocharger (F552)
START BY:a. remove turbocharger (F552) 1. Install the turbocharger in tool group (A). Put alignment marks on the three housings of the turbocharger for correct installation and alignment at assembly. Remove "V" clamp (2) and compress housing (1). 2. Remove "V" clamp (3). Remove cartridge housing (5) from turbine housing (4). 3. Put the cartridge assembly in tool (B) a shown.
When the nut is loosened, do not put a side force on the shaft.
4. Use tool (C), and remove the nut that holds compressor wheel (6). Remove compressor wheel (6) and O-ring seal (7). 5. Remove turbine shaft (8) from the cartridge housing. 6. Remove seal ring (9) from turbine shaft (8). 7. Remove ring (10) that holds insert (11) in position. 8. Remove insert (11) with tooling (E). 9. Remove O-ring seal (13) and sleeve (12) from insert (11). Remove the seal rings from sleeve (12). 10. Remove deflector (14) and the ring from the cartridge housing. 11. Remove bearing (15), sleeve (16) and the ring from the cartridge housing. The oil hole in bearing (15) must be open or a bearing failure will be the result. 12. Use tool (F), and remove the ring that holds bearing (17) in position. Remove bearing (17), and put a long dye mark on the top face of the bearing. 13. Turn the cartridge assembly over. Use tool (F), and remove ring (18). Remove sleeve (19) and bearing (20) from the cartridge housing. Put a short dye mark on the top face of bearing (20). The dye marks are used for identification of the bearings when they are installed. 14. Use tool (G) to remove ring (22). Remove shroud (21) from the cartridge housing.15. If necessary, remove the two rings that hold the bearings in position from the cartridge housing with tool (F).16. 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 Part, Form No. SEBF8018-01.Assemble Turbocharger (F552)
1. Make sure all of the oil passages in the turbocharger cartridge housing are clean and free of dirt and foreign material.2. Put clean engine oil on all parts of the cartridge assembly.3. Make a replacement of the two inside rings that hold the bearings in position in the cartridge housing if necessary.4. Put shroud (2) in position on the cartridge housing, and install ring (1) to hold the shroud. The ring must be installed with the round edge of the outside diameter toward the inside. 5. Install bearing (5) in the cartridge housing with the short dye mark up. Install sleeve (4).6. Use tool (B) to install ring (3) in the cartridge housing. 7. Turn the cartridge assembly over, and install bearing (7) with the long dye mark up. Use tool (B), and install ring (6) to hold the bearing in position. Make sure the oil hole in bearing (8) is open and clean to