3 minute read
Governor Drive
TURBOCHARGERS (3508)
DISASSEMBLE TURBOCHARGERS (AIRESEARCH TV61 AND TW61)
Tools Needed ABC D EF
9S6363 Turbocharger Fixture 1 Group 9S6343 Fixture Assembly 1 8S9946 Holder 1 5S9566 T-Wrench 1 5P6518 Fixture Group 1 FT745 Modified Pliers 1
start by: a) remove turbochargers
1. Install the turbocharger on tool (A) as shown. Put marks on the three housings of the turbo- charger for correct installation and alignment at assembly.
2. Loosen clamp (1) and remove compressor housing (2) and the clamp from the cartridge assembly.
3. Loosen clamp (3) and remove cartridge assembly (4) from turbine housing (5).
NOTICE To prevent a bent shaft, do not put a side force on the turbine shaft when the compressor wheel nut is loosened.
4. Install tool (C) in tool (B) and put the cartridge assembly in tool (C) as shown.
Use tool (D) to remove the nut that holds compressor wheel (6).
5. Use a press to push the turbine shaft out of compressor wheel (6) and the cartridge housing. Remove compressor wheel (6) from the cartridge housing.
TURBOCHARGERS (3508)
6. Put the turbine shaft in tool (C). Remove seal ring (8) and shroud (7) from the shaft.
7. Use tool (E) to make sure the turbocharger shaft is straight. See SPECIAL INSTRUCTION Form No. SMHS6998.
8. Bend the tabs of the locks from bolts (10) and remove the bolts and locks.
9. Remove backplate assembly (I1 ) from the cartridge housing. Remove spacer (9) from back- plate assembly (11).
10. Remove seal rings (12) from spacer (9).
11. Remove thrust collar (13) from the cartridge housing.
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TURBOCHARGERS (3508)
12. Remove seal ring (14) and thrust bearing (15) from the cartridge housing.
NOTE: If the bearings are to be used again, put identification on them as to their location for correct assembly.
13. Remove bearing (16) and the washer below the bearing from the cartridge housing.
14. Use tool (F) to remove snap rings (17) and (18) from the cartridge housing.
15. Remove bearing (19) and washer (20) from the cartridge housing.
16. Use tool (F) to remove snap ring (21) from the cartridge housing if necessary.
17. 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.
TURBOCHARGERS (3508)
ASSEMBLE TURBOCHARGERS (AIRESEARCH TV61 AND TW61) 1052-16
Tools Needed A B C D E
FT745 Modified Pliers 1 9S6343 Fixture Assembly 1 8S9946 Holder 1 8S2328 Dial Test Indicator Group 1 9S6363 Turbocharger Fixture Group 1
1. Make sure all of oil passages in the turbocharger cartridge housing, backplate assembly and bearings are clean and free of dirt and foreign material.
2. Put clean engine oil on all parts of the cartridge at assembly.
NOTE: Make sure the round edge of the snap rings are toward the bearings when the snap rings are installed.
3. If necessary, use tool (A) to install snap ring ( 1 ) in the turbine end of the cartridge housing.
4. Install washer (2) and bearing (3). Use tool (A) to install snap ring (4) to hold the washer and bearing in the cartridge housing.
5. Use tool (A) to install snap ring (5) in the cartridge housing.
6. Install the washer and bearing (6) until the washer makes contact with snap ring (5).
7. Install thrust bearing (8) over the dowels in the cartridge housing. Make sure the grooves in bearing (8) are toward the outside as shown.
8. Install seal ring (9) in the groove of the cartridge housing.
9. Put thrust collar (7) in position on the thrust bearing with the counterbore for the spacer up.
