AR09.40-W-5910J | Test turbocharger | 23.11.10 |
ENGINES 900.9 in MODELS 375.1, 970, 972, 975, 976
ENGINES 902.9 in MODEL 375.3, 950.5 /6, 952.5 /6, 953.6, 954.5
ENGINES 902.9 in MODEL 957 except CODE (MS8) Natural gas engine
ENGINES 902.9 in MODELS 375.1, 970, 972, 974, 975, 976
ENGINES 924.9 in MODELS 958.0, 970, 972, 974, 975, 976
ENGINES 925.9 in MODELS 970, 972, 974
ENGINES 926.9 in MODEL 950.5 /6, 952.5 /6, 953.6, 954.5, 957, 958.2
ENGINES 926.9 in MODEL 958.0
W09.40-1159-09
Shown on engine 926.9
1 Rotor shaft
2 Compressor impeller
3 Turbocharger compressor housing
6 Air intake hose
7 Turbocharger
4 Control unit
5 Air intake pipe
| Removing | ||
Danger! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut. | |
1 | Tilt cab | ||
| Notes on tilting the cab | ||
2 | Remove soundproofing on frame above on the right | ||
3 | Remove air intake hose (6) | ||
4 | Remove oil deposits by turning the rotor shaft (1) in turbocharger compressor housing (3) | ||
| Checking | ||
5 | Check turbocharger compressor housing (3) and compressor impeller (2) for damage | Possibly also replace turbocharger (7): | |
Engine 900.9, 924.9 | |||
Engine 902.9, 926.9 except in model 957 Engine 925.9 | |||
Engines 902.9, 926.9 in model 957 | |||
6 | Check air intake hose (6), air intake pipe (5) and turbocharger compressor housing (3) for oil deposits | ||
| Notes for evaluation of turbocharger in the event of engine blue smoke | ||
7 | Check rotor shaft (1) for easy and even running. | Possibly also replace turbocharger (7): | |
Engine 900.9, 924.9 | |||
Engine 902.9, 926.9 except in model 957 Engine 925.9 | |||
Engines 902.9, 926.9 in model 957 | |||
8 | Inspect axial play and radial play at rotor shaft (1) | ||
Axial play on rotor shaft | |||
Radial play on rotor shaft | |||
Dial indicator | |||
Dial indicator holder | |||
Extension | |||
Possibly also replace turbocharger (7): | |||
Engine 900.9, 924.9 | |||
Engine 902.9, 926.9 except in model 957 Engine 925.9 | |||
Engines 902.9, 926.9 in model 957 | |||
9 | Check control unit (4) | ||
Testing unit | |||
Possibly also replace turbocharger (7): | |||
Engine 900.9, 924.9 | |||
Engine 902.9, 926.9 except in model 957 Engine 925.9 | |||
Engines 902.9, 926.9 in model 957 | |||
| Install | ||
10 | Check condition of the air intake hose (6); replace if necessary | ||
11 | Install air intake hose (6) | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
12 | Allow engine to run and check in the area of the air intake hose (6), then stop engine | Visual inspection. | |
13 | Install soundproofing on frame above on the right | ||
Danger! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut. | |
14 | Lower cab | ||
| Notes on tilting the cab |
Check values for turbocharger
Number | Designation | Engines 900.9, 902.9 | Engine 924.9 | Engine 925.9, 926.9 | ||
BE09.40-N-1001-01G | Axial play on rotor shaft | mm | 0.1 | 0.1 | 0.1 | |
BE09.40-N-1002-01G | Radial play on rotor shaft | mm | 0.9 | 0.9 | 0.9 | |
124 589 15 21 00
Dial indicator holder
Tester
Dial indicator
Extension
001 589 53 21 00
363 589 02 21 00
366 589 00 21 05