W13.30-1126-09
1 | Power steering pump | 5 | Suction pipe | 9 | Coolant line (feed) | ||
2 | Compressed-air line | 6 | Oil separator | 10 | Sealing ring | ||
3 | Screw | 7 | Control line | 11 | Coolant line (return flow) | ||
4 | Resonator | 8 | Compressor | 12 | Cross plate |
8 | Compressor |
18 | Drive gear |
19 | Sealing rings |
20 | Sealing ring |
W13.30-1127-02
Caution | Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. | |
Warning | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
Warning | Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. | |
Topical note | Notes on self-locking nuts and bolts | ||
Topical note | Notes on coolant | ||
Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | |||
Notes on engine oil | |||
| Remove/install | ||
1 | Open engine hood and raise to vertical position | ||
Installation: Do not close the engine hood until after the leak test. | |||
2 | Remove upper cover on cab | ||
3 | Partially drain coolant at radiator | ||
Collect escaping coolant in a clean vessel. | |||
4 | Remove front section of front left fender | ||
5 | Remove bracket for front section of front left fender | ||
6 | Remove shield on the left on cab | Only for vehicles with body 949.899 | |
7 | Remove soundproofing on left | ||
8 | Disconnect suction line (5) on resonator (4) | Installation: Check sealing ring; replace suction line (5) if necessary. | |
9 | Remove screw/bolt (3) and resonator box (4) | Installation: Check seal; replace if necessary. | |
10 | Completely drain coolant at retarder | Only for vehicles with code BA1 (Performance-optimized Voith retarder) | |
11 | Remove front coolant pipes on retarder | Only for vehicles with code BA1 (Performance-optimized Voith retarder) | |
12 | Remove compressed-air line (2) and check for carbonization | Union nut, compressed air line to fitting | |
If the compressed-air line (2) is carbonized. | |||
| |||
Replace compressed-air line (2). In addition, check compressed-air lines between compressor (8), compressed-air drier and four-circuit protection valve. | |||
If the compressed-air lines between the compressor (8), the compressed-air drier or the four-circuit protection valve are carbonized. | |||
| |||
Replace respective compressed-air line. | |||
13 | Unfasten coolant line (11) | Union nut, coolant line to compressor fitting | |
14 | Remove coolant line (9) | Union nut, coolant line to compressor fitting | |
15 | Unfasten control line (7) | Banjo bolt, control line to compressor | |
16 | Remove power steering pump (1) on compressor (8) and place to one side | Do not disconnect steering gear oil lines. | |
Bolt, power steering pump to compressor | |||
17 | Remove cross plate (12) on power steering pump (1) or on compressor (8) | Installation: Secure cross plate (12) against sliding using grease. | |
Paste, hot lubrication 1 kg, DBL 6879.20 | |||
18 | Remove compressor (8) from timing case | Remove a screw/bolt through the opening of the oil separator (6) on the timing case at the rear. | |
Installation: Before the compressor (8) is placed on the timing case, insert the long screw/bolts. | |||
Bolt, compressor to crankcase | |||
19 | Check drive wheel (18) and drive wheel on camshaft for damage | If the drive wheel (18) on the compressor (8) is damaged. | |
| |||
Replace drive gear (18). | |||
If the drive gear on the camshaft is damaged. | |||
| |||
Replace drive wheel or camshaft. | |||
20 | Remove sealing rings (19, 20) at compressor (8) | ||
21 | Remove compressed-air line (2) fitting and suction line (5) fitting on compressor (8) | Only if compressor (8) was replaced or fitting is leaky. | |
Fitting, compressed air line to compressor | |||
Fitting, suction line to compressor | |||
22 | Remove fittings of coolant lines (9, 11) on compressor (8) | Only if compressor (8) was replaced or fitting is leaky. | |
Fitting, coolant line to compressor | |||
23 | Install in the reverse order | ||
24 | Fill in coolant | ||
25 | Check engine oil level with oil dipstick or on display, add oil if necessary | Observe engine oil quality set in maintenance system or Specifications for Operating Fluids. | |
26 | Start engine and perform an engine test run | ||
27 | Check compressed air line (2) for leaks | ||
28 | Stop engine and check in the area around the compressor (8) by means of visual inspection for leaktightness | ||
29 | Check retarder coolant hoses and retarder coolant hoses below on the retarder for leaktightness by means of a visual inspection | Only for vehicles with code BA1 (Performance-optimized Voith retarder) |
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