AR09.40-W-5910C | Test the turbocharger | 13.9.06 |
ENGINE 457.9 in MODEL 374, 375, 940, 942, 943, 944, 958
W09.40-1044-05
Shown on engine without code (MZ4) Turbobrake
1 Turbocharger
1.1 Rotor shaft
2 Crankcase ventilation line
3 Air intake hose
4 Air intake pipe
Modification notes
| 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 at right on frame | ||
3 | Remove air intake hose (3) to crankcase breather line (2) as well as on turbocharger (1) and on air intake pipe (4) | ||
4 | Remove oil deposits by turning the rotor shaft (1.1) in turbocharger compressor housing | ||
| Checking | ||
5 | Check exhaust gas turbocharger compressor housing and compressor turbine wheel for damage | Possibly also replace turbocharger (1): | |
Without code (MZ4) Turbobrake | |||
With code (MZ4) Turbobrake | |||
6 | Check air intake manifold (4), air intake hose (3) and exhaust gas turbocharger compressor housing for oil deposits | ||
| Notes for evaluation of turbocharger in the event of engine blue smoke. | ||
7 | Check rotor shaft (1.1) for easy and uniform operation | Possibly also replace turbocharger (1): | |
Without code (MZ4) Turbobrake | |||
With code (MZ4) Turbobrake | |||
8 | Check axial and radial play for rotor shaft (1.1) | ||
Axial play of rotor shaft | |||
Radial play of rotor shaft | |||
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Feeler gauge | |||
Possibly also replace turbocharger (1): | |||
Without code (MZ4) Turbobrake | |||
With code (MZ4) Turbobrake | |||
| Install | ||
9 | Check condition of sealing surfaces, air intake hose (3) and clamps; replace if necessary | ||
10 | Attach air intake hose (3) to crankcase breather line (2) as well as on turbocharger (1) and on air intake pipe (4) | | |
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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. | |
11 | Start engine and perform an engine test run | ||
12 | Check area of air intake hose (3) for leaks then stop engine | Visual inspection. | |
13 | Install soundproofing on frame 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 | Engine | |
BE09.40-N-1001-01D | Axial play of rotor shaft | mm | 0.1 |
BE09.40-N-1002-01D | Radial play of rotor shaft | mm | 0.9 |
Air intake, air charging, general
Number | Designation | Engine | ||
BA09.00-N-1001-01B | Air intake hose clamp on air intake pipe | Nm | 4.5 | |
BA09.00-N-1002-01B | Clamp, air intake hose to turbocharger | Nm | 4.5 | |
BA09.00-N-1003-01B | Clamp, air intake hose to crankcase breather line | Nm | 4.5 | |
363 589 02 21 00
Extension
Dial indicator holder
Dial indicator
001 589 53 21 00
366 589 00 21 05
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