AR14.40-B-2047TB | Check pump module of exhaust aftertreatment system for fuel/oil residues | 12.02.16 |
Cumbustion engine 457 with Vehicle 958.434, 958.443, 958.441, 958.444, 958.453, 958.452, 958.454
Cumbustion engine 457.910 with Vehicle 958.431, 958.433, 958.451, 958.471, 958.472, 958.478
Cumbustion engine 457.911 with Vehicle 695.053, 695.023
Cumbustion engine 460.984 with Vehicle 934.### #R, 934.### #S
W14.40-1490-06
1 AdBlue filter (pressure filter)
2 Test strips
A Test strip with no coloration
B Test strip with coloration
| REMOVAL | ||
Danger! | Risk of burns and scalding while working on AdBlue pipes and on components connected to them. Risk of injury on skin and eyes at contact with AdBlue. Risk of poisoning from swallowing AdBlue | Only catch AdBlue in appropriate containers. Only start working on the exhaust gas aftertreatment system after relieving the pressure. | |
| Indications for applications, material properties and handling AdBlue | ||
1 | Remove the AdBlue filter (1) from the pump module | ||
| Inspect | ||
2 | Vigorously rub the test strip (2) between the lamellae of the AdBlue filter (1) and against the inside wall of the filter housing, as well as in the filter bowl | If no coloration is shown on the test strip (2): | |
Continue with the step 6 of the job. | |||
If the test strips (2) present coloration change, as residue of oil, Diesel, solvents or other hydrocarbons in the AdBlue: | |||
Continue with the step 3 of the job. | |||
| Maintenance information: Erroneous AdBlue reservoir filling | ||
3 | Replace all AdBlue hoses | ||
4 | Replace the pump module | ||
5 | Replace the AdBlue reservoir | ||
| Installing | ||
6 | Install the AdBlue filter (1) in the pump module |