AR14.40-W-2009A | Remove/install pressure filter at pump module of exhaust aftertreatment system | 22.3.11 |
ENGINES 541.9 in MODEL 930, 932, 933, 934 with CODE (MS4) BlueTec 4
ENGINES 541.9 in MODEL 930, 932, 933, 934 with CODE (MS5) BlueTec 5
ENGINES 542.9 in MODEL 930, 932, 934 with CODE (MS4) BlueTec 4
ENGINES 542.9 in MODEL 930, 932, 934 with CODE (MS5) BlueTec 5
W14.40-1018-08
1 Pump module
2 Insulating hose
3 Line fitting (AdBlue feed line)
7 Pressure filter housing
8 Filter element
9 Filter cup
4 AdBlue line (feed line)
5 AdBlue line (return)
6 Line fitting (AdBlue return line)
Modification notes
21.9.07 | Wet O-ring on filter insert (8) and on filter cup (9) thinly with MB silicone grease before assembly. | Operation step 3 |
| Remove/install | ||
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 use, material properties and handling of AdBlue® | ||
1 | Open insulating tubing (2) in area of line fittings (3, 6) to a length of about 10 cm and push back | Installation: Replace removed cable tie and insulation tape. | |
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2 | Clamp off AdBlue lines (4, 5) | | |
3 | Remove filter cup (9) with filter insert (8) on pressure filter housing (7) | Installation: Clean pressure filter housing (7) and replace filter cup (9) with filter insert (8). Wet O-ring on filter insert (8) and on filter cup (9) thinly with MB silicone grease before assembly. | |
Always use the prescribed MB silicone grease as an antifriction agent. Also ensure that antifriction agent is used very sparingly otherwise this can lead to damage to the exhaust aftertreatment system. | |||
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4 | Install in the reverse order | ||
5 | Check filter cup (9) for leaks |
Exhaust aftertreatment
Number | Designation | Engine 541.9 | Engine 542.9 | |||
BA14.40-N-1001-02A | Filter cup on pump module | Nm | 32 | 32 | ||
950 589 01 37 00
Roller tongs
Clamping device
000 589 54 37 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1019-06A | ABS sensor grease | A 000 989 62 51 10 |