W14.40-1234-08
1 | Intake connection of AdBlue | 6 | AdBlue / Air mixture outlet connection | B128 | Compressed air pressure sensor | ||
2 | Intake of AdBlue | 7 | Metering unit | B129 | AdBlue pressure sensor | ||
3 | Compressed air inlet | 8 | Compressed air piping | B130 | AdBlue temperature sensor | ||
4 | Sleeves | 9 | Compressed air connection | Y109 | AdBlue metering unit | ||
5 | AdBlue / Air mixture outlet | 10 | AdBlue supply hose |
7 | Metering unit |
11 | Electric wiring harness |
W14.40-1425-12
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. | |
| Remove/install | ||
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. | |
1 | Remove injection pipe | Remove/install injection line for exhaust aftertreatment system | |
Notes on use, material properties and handling of AdBlue® | . | ||
Installation: Replace the injection pipe after each removal. | |||
2 | Turn off ignition | ||
3 | Detach the electric connectors from the metering unit (7) | Installation: Observe that the electric wiring harness (11) is fastened with plastic catches so that the rubber sleeves (arrows) of the electric connections are folded down in relation to the metering unit (7), avoiding water penetration. | |
4 | Remove the compressed air pipe (8) at the metering unit (7) | Seal the orifice with an adequate closing plug. | |
Installation: Check the compressed air connection (9) and the compressed air piping (8) for foreign bodies, dirt or damages. | |||
Socket connection system of - "SCHÄFER SDF" compressed air in metallic material | |||
5 | Release the AdBlue supply hose (10) from the AdBlue inlet connection (1) and move it aside | Make sure AdBlue does not splash from the AdBlue flow hose on the electric connections, because it may damage the AdBlue metering unit (7). | |
Installation: Before the assembly check the AdBlue flow hose, for foreign matter, dirt and damages, replace if necessary. | |||
6 | Remove AdBlue inlet fitting (1) from metering unit (7) | Only when metering unit (7) is replaced. | |
.AdBlue inlet pipe opening on dosage unit | |||
7 | Remove the metering unit (7) with the bushings (4) | Installation: Remove the bushings (4). If necessary, replace it. | |
.Dosage unit on support | |||
8 | Install in reverse order | ||
9 | Starting engine | ||
10 | With the engine running, check the metering unit (7) for tightness |
Documenti citati
- ah1440n000101a Avvertenze sull'impiego, sulle caratteristiche e sulla manipolazione dell'AdBlue
- ar1440b2001tc
- 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
- 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