Remove And Install NOX Sensor With Control Unit After SCR Catalytic Converter - Ar49.20-D-2062TSV
Motor 642, 651 in Type 907
Change notices
| 27.05.2021 | Method extended | Work steps 9, 10, 11 |
| Danger to life from the vehicle slipping or tipping over from the lift | Align the vehicle between the lifting platform columns and place the four support plates at the lifting platform support points prescribed by the vehicle manufacturer. | AS00.00-Z-0010-01A | |
| Risk of burns, suffocation and poisoning when working on the exhaust system and related components. danger of suffocation and danger of poisoning through inhalation of gaseous and solid components of the exhaust gas. Danger of poisoning through skin contact with solid components of the exhaust gas. | Wear protective clothing and goggles. Use suction. Remove people from the danger area. | AS49.00-Z-0001-01A | |
| Risk of injury to skin and eyes from handling hot or glowing objects | Wear protective gloves, protective clothing and, if necessary, protective goggles. | AS00.00-Z-0002-01A | |
| Risk of injury from cuts or scrapes on sharp-edged vehicle parts | Always wear protective gloves when working on or in the area of sharp, unburred vehicle parts. Deburr repair panels. | AS00.00-Z-0017-01A | |
| Instructions for avoiding damage to electronic components through electrostatic discharge | AH54.00-P-0001-01A | ||
| Removing, installing | |||
| 1 | Raise the vehicle. | AR00.60-D-1000-04TS | |
| Instructions for lifting and jacking up | AH00.60-N-0100-01TS | ||
| 2 | Remove heat shield (1). | If the spring washers (2) are damaged, ↓ Replace damaged spring washers (2). |
|
| 3 | Disconnect electrical plug connection (3). | ||
| 4 | Remove control unit (4). Notes on self-locking screws and nuts |
AH00.00-N-0001-01A | |
| *BA00.10-N-1002-01A | |||
| 5 | Unclip electrical wiring harness (6). | ||
| 6 | Remove NOx sensor (5) with control unit (4). Note on calculating the tightening torque when using insert or plug-on tools with different effective sounds |
AH00.00-P-0015-01CW | |
| *BA49.20-N-1002-03TS | |||
| Paste hot lubrication 1 kg, DBL 6879.20 | *BR00.45-Z-1005-06A | ||
| Fig 1 | |||
| Clean | |||
| 7 | Clean the sealing surfaces and the thread for the NO x sensor (5) on the SCR catalytic converter. | ||
| 8 | Install in reverse order. | ||
| 9 | Read out the fault memory with the diagnostic device. | If the NOx sensor (5) with control unit (4) has been replaced. | |
| Connect and disconnect diagnostic device | ↓ erase the fault memory. |
AD00.00-D-2000-06TS | |
| 10 | Carry out initialization of the control unit (4) with the diagnosis unit. | If the NOx sensor (5) with control unit (4) has been replaced. | |
| 11 | Dismantle the diagnostic device. | If the NOx sensor (5) with control unit (4) has been replaced. | |
| Connect and disconnect diagnostic device | AD00.00-D-2000-06TS | ||
| Check | |||
| Risk of accident due to automatic starting with the engine running. Risk of injury from bruises and burns when intervening during the starting process or while the engine is running | Secure the vehicle against starting by itself. Wear closed, close-fitting work clothing. Do not touch hot, hot or rotating parts. | AS00.00-Z-0005-01A | |
| 12 | Check the exhaust system for leaks with the engine running. |
| Number | Designation | 8.8 | 10.9 | ||
|---|---|---|---|---|---|
| BA00.10-N-1002-01A | M6 | galvanized | Nm | 9 | 13 |
| phosphated | Nm | 9 | 12 | ||
| Number | Designation | 12.9 | ||
|---|---|---|---|---|
| BA00.10-N-1002-01A | M6 | galvanized | Nm | 16 |
| phosphated | Nm | 14 | ||
Exhaust aftertreatment
| Number | Designation | Type 907 with Motor 642 | Type 907 with Motor 651 | |
|---|---|---|---|---|
| BA49.20-N-1002-03TS | NOx sensor on SCR catalytic converter / exhaust aftertreatment unit | Nm | 60 | 60 |
Repair agent
| Number | Description | Order number |
|---|---|---|
| BR00.45-Z-1005-06A | Paste Hot lubrication 1 kg, DBL 6879.20 | A 000 989 76 51 |