G49.20-3208-08
1 | Line fitting | 7 | Metering device | 14 | SCR AdBlue® pressure sensor | ||
2 | AdBlue® inlet | 8 | Compressed-air line | 15 | SCR AdBlue® temperature sensor | ||
3 | Compressed air inlet | 10 | AdBlue® feed hose | 16 | Heating element | ||
4 | Decoupling sockets | 11 | Injection line | 17 | SCR AdBlue® metering valve | ||
5 | AdBlue® outlet | 12 | Heat shield | ||||
6 | Line fitting | 13 | SCR compressed-air pressure sensor |
Caution | Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. | |
Warning | Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | |
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 burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue | Pour AdBlue into suitable containers only. Wait until the pressure is released before starting any work on the exhaust aftertreatment system. | |
Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | |||
Notes on use, material properties and handling of AdBlue® | |||
| Remove | ||
1 | Switch off ignition. | ||
2 | Remove injection line (11). | ||
3 | Remove AdBlue® feed hose (10) from the line fitting (1). | | |
4 | Remove compressed-air line (8) from the metering device (7). | Seal bore with a suitable stop plug. | |
5 | Disconnect electrical connectors from the metering device (7). | ||
6 | Remove line fitting (1) from the metering device (7). | Only when replacing the metering device (7). | |
7 | Remove metering device (7) with the decoupling sockets (4). | ||
| Clean | ||
8 | Clean banjo union of the compressed-air line (8) with a lint-free dry cloth. | ||
9 | Clean AdBlue® feed hose (10) with a lint-free dry cloth. | ||
| Check | ||
10 | Check banjo union of the compressed-air line (8) for damage. | If there is a problem, | |
| |||
replace compressed-air line (8). | |||
11 | Check AdBlue® feed hose (10) for damage. | If there is a problem, | |
| |||
replace AdBlue® feed hose (10). | |||
| Install | ||
12.1 | Install metering device (7) with the decoupling sockets (4). | If a metering device (7) with heating element (16) was installed. | |
Metering device on bracket | |||
12.2 | Retrofit metering device (7) with heating element (16) and larger heat shield (12). | If a metering device (7) without heating element (16) was installed. | |
Install electrical subharness for the heating element of the metering device (7) | |||
| Metering device for exhaust aftertreatment system modified | ||
Metering device on bracket | |||
13 | Attach line fitting (1) to the metering device (7). | Only when replacing the metering device (7). | |
Replace seal. | |||
Pipe connection for AdBlue® input to metering device | |||
14 | Connect electrical connectors to the metering device (7). | ||
15 | Attach compressed-air line (8) to the metering device (7). | Banjo bolt, compressed air line to metering device | |
16 | Shorten AdBlue® feed hose (10) in the area of the pressure mark of the hose clamp by approx. 2 cm. | Only when reusing the AdBlue® feed hose (10). | |
If the overall length of the AdBlue® feed hose (10) is no longer sufficient due to being shortened, | |||
| |||
replace AdBlue® feed hose (10). | |||
17 | Attach AdBlue® feed hose (10) to the line fitting (1). | Replace hose clamp. | |
18 | Install injection line (11). | ||
Install new injection line (11) after each removal. | |||
19 | Start engine. | See information from body manufacturer. | |
20 | Check metering device (7) with the engine running for leak tightness and switch off engine. |
Documenti citati
- ah0000p001501cw Avvertenza per il calcolo della coppia di serraggio in caso di impiego di attrezzi ad innesto con lunghezze effettive differenti
- ah1440n000101a Avvertenze sull'impiego, sulle caratteristiche e sulla manipolazione dell'AdBlue
- ar4920g1061ci Smontare e montare il condotto di iniezione del sistema di post-trattamento dei gas di scarico
- ar4920g2036ch
- as0000z000201a Pericolo di lesioni alla pelle e agli occhi nel maneggiare oggetti caldi o incandescenti
- as0000z000501a Pericolo di infortunio per l'avviamento fortuito del veicolo con motore in funzione. Pericolo d'infortuni a causa di schiacciamenti o ustioni in caso di interventi durante l'avviamento o il motore acceso
- as0000z001701a Pericolo di lesioni a causa di tagli o abrasioni provocati dai bordi taglienti dei componenti del veicolo.
- as1440z000101a Pericolo di ustioni e scottature dovute a liquido bollente durante i lavori sulle tubazioni AdBlue e sui componenti ad esse collegati. Pericolo di lesioni alla pelle e agli occhi durante la manipolazione di AdBlue. Pericolo di
- bt1440w000201a Dosatore del sistema di post-trattamento dei gas di scarico modificato