1 | Main filter |
2 | Test strips |
A | Test strips without discoloration |
B | Test strips with discoloration |
W14.40-1490-06
Danger ! | 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. | |
| Notes on avoiding damage through contamination and foreign objects | ||
| Notes on use, material properties and handling of AdBlue® | ||
| Remove | ||
1 | Remove main filter (1) for the pump module | ||
| Check | ||
2 | Rub test strips (2) firmly between the lamella of the main filter (1) and on the inner wall of the connecting housing as well as the filter housing | Also assess the smell of the main filter (1), only if there is light discoloration occurring, since at least diesel is very easy to identify on the basis of the odor. | |
If there is no discoloration of the test strips (2) | |||
| |||
Proceed with step 7. | |||
If the test strips (2) are discolored, there are residues of oil, diesel, cold cleaning solvent or other hydrocarbon compounds in the AdBlue®. | |||
| |||
continue with operation step 3. | |||
3 | Replace all AdBlue® hose lines | ||
4 | Replace pump module | ||
5 | Replace AdBlue® container | ||
6 | Replace AdBlue® metering device | ||
| Install | ||
7 | Install main filter (1) for the pump module |