SI14.40-B-0005A | Service Information bulletin: Notes on exchanging the metering device (AdBlue) | 12.02.16 |
Vehicle 368.0, 368.1, 382.1, 384.07 with Cumbustion engine 926.9 with CODE MS5 (BlueTec 5 (Euro V))
Vehicle 368.0, 384.06, 384.2 with Cumbustion engine 924.9 with CODE MS5 (BlueTec 5 (Euro V))
Vehicle 382.1## #D, 634.0## #D with Cumbustion engine 457.9 with CODE MS5 (BlueTec 5 (Euro V))
Vehicle 693.3, 695.0, 958.0, 958.2 with Cumbustion engine 926.9 with CODE MS5 (BlueTec 5 (Euro V))
Vehicle 694.0, 958.0, 979.0 with Cumbustion engine 924.9 with CODE MS5 (BlueTec 5 (Euro V))
Vehicle 695.0, 958.4 with Cumbustion engine 457.9 with CODE MS5 (BlueTec 5 (Euro V))
W14.40-1312-76
Ref: Metering unit of the "SCR" system
This service information has the purpose of alerting on the possibility of replacement of some items comprising the "SCR" system metering unit on the correct procedure od cleaning, maintenance and repair, in the case of clogging in the AdBlue (ARLA32) pressure line, air pressure line, mixing chamber and diffuser. The release of the replacement parts as per list below has the purpose of avoiding the replacement of the entire assembly and to minimize the customer's costs.
Before replacing the "SCR" system metering unit, check the possibility of cleaning and repairing as indicated in the workshop documentation.
B128 Compressed air pressure sensor
B129 AdBlue pressure sensor
B130 AdBlue temperature sensor
Y109 Metering valve
2 Compressed air strainer filter
3 Inlet of compressed air
4 Limiting valve
5 Diffuser
6 Outlet connection
7 Adjusting screw
8 AdBlue inlet
9 AdBlue strainer filter
10 Heating element (R28)
Trucks | | ||
| Rinse the "SCR" system metering unit | Engine 457.9 in models 695, 958 | |
Engine 924.9, 926.9 | |||
| Remove and install the metering unit of the exhaust gas aftertreatment system | Engine 457.9 in models 695, 958 | |
Engine 924.9, 926.9 | |||
| Removing and installing the AdBlue pressure sensor | Engine 457.9 in models 695, 958 | |
Engine 924.9, 926.9 | |||
| Removing and installing the SCR compressed air pressure sensor | Engine 457.9 in models 695, 958 | |
Engine 924.9, 926.9 in models 693, 694, 695, 958, 979 | |||
| Replace the diffuser in the metering unit of the exhaust gas aftertreatment system | Engine 457.9 in models 695, 958 | |
Engine 924.9, 926.9 in models 693, 694, 695, 958, 979 | |||
| Removing and installing the compressed air inlet filter of the metering unit | Engine 457.9 in models 695, 958 | |
Engine 924.9, 926.9 in models 693, 694, 695, 958, 979 | |||
Bus chassis | | ||
| Rinse the "SCR" system metering unit | Engine 457.9 in models 382, 634 | |
Engine 924.9 926.9 in models 368, 382384 | |||
| Removing and installing the metering unit of the exhaust gas aftertreatment system | Engine 457.9 in models 382, 634 | |
Engine 924.9 926.9 in models 368, 382384 | |||
| Removing and installing the AdBlue pressure sensor | Engine 457.9 in models 382, 634 | |
Engine 924.9 926.9 in models 368, 382, 384 | |||
| Removing and installing the SCR compressed air pressure sensor | Engine 457.9 in models 382, 634 | |
Engine 924.9 926.9 in models 368, 382, 384 | |||
| Replace the diffuser in the metering unit of the exhaust gas aftertreatment system | Engine 457.9 in models 382, 634 | |
Engine 924.9 926.9 in models 368, 382, 384 | |||
| Removing and installing the compressed air inlet filter of the metering unit | Engine 457.9 in models 382, 634 | |
Engine 924.9 926.9 in models 368, 382, 384 |
Indicações de encomenda de peças
No. da peça | Denominação | Qtde. |
A000 140 20 39 | Complete metering unit | 01 |
A000 140 05 94 | Air filter screen / AdBlue filter screen (2, 9) | 02 |
A000 140 00 30 | Heater / Diffuser (10, 5) | 01 |
A002 997 78 71 | Outlet connection (6) | 01 |
A006 153 74 28 | Air pressure sensor (B128) | 01 |
A006 153 75 28 | AdBlue pressure sensor (B129) | 01 |
A006 153 45 28 | AdBlue temperature sensor (B130) | 01 |
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