AR07.15-W-1628A | Remove/install MR/PLD control unit | 23.4.08 |
ENGINES 904.9 in MODEL 374, 375, 673, 674, 676, 958, 970, 972, 975, 976
ENGINES 906.9 in MODEL 374, 958, 970, 972, 974, 975, 976
ENGINES 906.9 in MODEL 374, 375, 950, 952, 953, 954, 958
ENGINES 906.9 in MODEL 957 except CODE (MS8) Natural gas engine
W07.15-0080-06
Shown on engine 904.905
1 Spacer
2 Rubber damper
3 Washer
4.1 Nut
4.2 Screw
5 Electrical connector of vehicle wiring harness
6 Engine wiring harness electrical connector
7 Fuel heat exchanger (engine 904.9 up to engine end no. 033991)
8 Bolt (engine 904.9 up to engine end no. 033991)
9 Engine trim panel
10 Electrical connector
A6 Engine control (MR) control unit
| Remove/install | ||
1 | Switch off ignition | ||
Danger! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut. | |
2 | Tilt cab | For model 957 open the maintenance flap. | |
| Notes on tilting the cab | ||
3 | Remove soundproofing on frame at the left | ||
4 | Remove engine panel (9) | ||
5 | Remove electrical connector (10) | Only on vehicles with oil sensor. | |
6 | Disconnect fuel heat exchanger (7) and secure to one side | Only on engine 904.9. up to engine end no. 033991. | |
Do not detach fuel lines at fuel heat exchanger (7) | |||
7 | Remove electrical connector for vehicle wiring harness (5) and electrical connector for the engine wiring harness (6) and disconnect | Unlock by pressing the locking clip. | |
8 | Remove the engine control (MR) control unit (A6) | The engine control (MR) control unit (A6) must not be disassembled. | |
Installation: Install spacers (1) with damping rubbers (2) on the engine control (MR) control unit (A6). | |||
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9 | Install in the reverse order | ||
10 | Initialize all transponder keys | Only on model 374, 375, 950, 952, 953, 954, 957, 958, 970, 972, 974, 975, 976 when a new engine control (MR) control unit (A6) has been installed. |
Diesel injection system with unit pumps (MR/PLD)