AR09.40-I-6263A | Dismantle, assemble turbocharger | 9.3.10 |
ENGINE 384.907 in MODEL 397
ENGINE 384.906 /907 in MODEL 684
N09.40-2020-06
1 Compressor housing
2 Sealing ring
4 Locking plate
6 Lock nut
7 Compressor turbine wheel
8 Compressor rear wall
9 Sealing ring
10 Piston ring
11 Thrust ring
12 Fit bearing
13 Retaining pin
14 Circlip
15 Radial bearing
16 Bearing housing
17 Locking plate
19 Heat shield
20 Piston ring
21 Rotor shaft with turbine wheel
22 Turbine housing
24 Locking plate
| Remove/Install | ||
1 | Remove turbocharger | ||
| Disassemble/assemble | ||
2 | Mark position of compressor housing (1), compressor rear wall (8) and turbine housing (22) to bearing housing (16) | ||
3 | Open locking plates (24) and detach turbine housing (22) from the bearing housing (16) | Carefully loosen turbine housing (22) if required using a plastic mallet from the bearing housing (16). | |
Installation: Replace locking plates and bolts (24). Coat bolts with sealing compound | |||
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4 | Open locking plate (4) and remove compressor housing (1) from the compressor rear wall (8) | Installation: install new sealing ring (2), locking plate (4) and bolts. Coat bolts with sealing compound | |
KKK turbocharger | |||
Garret turbocharger | |||
5 | Insert turbine wheel side of bearing housing (16) into the retainer and unscrew locknut (6) | To loosen the locknut (6), use a T-head key to avoid warping the rotor shaft with the turbine wheel (21). | |
Installation: replace locknut (6) and apply threadlocks. | |||
KKK turbocharger | |||
Garret turbocharger | |||
| Retainer for turbine wheel | ||
6 | Remove compressor wheel (7) from rotor shaft with turbine wheel (21) | ||
7 | Open locking plates (17) and detach compressor rear wall (8) from the bearing housing (16) | Installation: install new sealing ring (9), locking plate (17) and bolts. Coat bolts with sealing compound Note the piston ring (10) . | |
KKK turbocharger | |||
Garret turbocharger | |||
8 | Remove thrust ring (11) with fitted bearing (12) from rotor shaft with turbine wheel (21) | Installation: ensure the thrust ring (11) and fitted bearing (12) are seated correctly in the retaining pins (13). | |
9 | Press fitted bearing (12) out of thrust ring (11) | Installation: Install new thrust ring (11). | |
10 | Remove piston ring (10) from fitted bearing (12) | Installation: Install new piston ring (10). | |
11 | Remove bearing housing (16) from rotor shaft with turbine wheel (21) | ||
12 | Remove heat shield (19) from rotor shaft with turbine wheel (21) | ||
13 | Remove piston ring (20) on turbine side from rotor shaft with turbine wheel (21) | The Garret turbocharger is equipped with a piston ring (20), on the KKK turbocharger there are two piston rings (20). | |
Installation : Install new piston ring (20). | |||
14 | Remove circlip (14) from bearing housing (16) | ||
15 | Remove both radial bearings (15) from the bearing housing (16) | Installation: replace radial bearings (15) and lubricate with engine oil. | |
| Check | ||
16 | Clean all parts of turbocharger, check for wear and damage, and replace if necessary. | Replace worn or damaged parts. | |
17 | Check concentricity deviation of the rotor shaft with turbine wheel (21) | ||
KKK turbocharger | |||
Garret turbocharger | |||
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18 | Assemble in reverse order | ||
19 | Check unobstructed movement of the rotor shaft with turbine wheel (21) | ||
20 | Install in the reverse order |
Inspection data of turbocharger
Number | Designation | Engine 384.906/ | ||
BE09.40-N-1001-01C | KKK turbocharger rotor shaft | Axial play | mm | 0,16 |
Radial play | mm | 0,46 | ||
Concentricity tolerance | mm | 0,007 | ||
BE09.40-N-1002-01C | Garret turbocharger rotor shaft | Axial play | mm | 0,10 |
Radial play | mm | 0,76 | ||
Concentricity tolerance | mm | 0,007 | ||
Turbocharger
Number | Designation | Engine 384.906/ | ||
BA09.40-N-1006-01G | Bolt of turbine housing to bearing housing | Nm | 20 | |
BA09.40-N-1007-01G | Bolt of compressor housing to compressor rear wall on KKK turbocharger | Nm | 10 | |
BA09.40-N-1008-01G | Bolt of compressor housing to compressor rear wall on Garret turbocharger | Nm | 20 | |
BA09.40-N-1009-01G | Bolt of compressor housing to bearing housing on KKK turbocharger | Nm | 10 | |
BA09.40-N-1010-01G | Bolt of compressor housing to bearing housing on Garret turbocharger | Nm | 20 | |
BA09.40-N-1011-01G | Locknut of turbocharger wheel to rotor shaft on KKK turbocharger | 1st stage | Nm | 10 |
2nd stage | ° | 60 | ||
BA09.40-N-1012-01G | Locknut of turbocharger wheel to rotor shaft on Garret turbocharger | 1st stage | Nm | 20 |
2nd stage | ° | 90 | ||
343 589 00 40 00
Dial indicator holder
Dial indicator
001 589 53 21 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1035-01A | Never Seeze NS 160 sealant | - |
BR00.45-Z-1040-02A | Adhesive fastening, Loctite 648 | A 003 989 32 71 |
Referenced documents
- ar0940i6020a Remove/install turbocharger
- ar0940i626301a Check concentricity deviation of rotor shaft:
- wf5850n094002a Retainer for turbine wheel