AR14.15-W-6302D | Remove, install engine brake flap fitting | 15.2.12 |
ENGINE 457.9 in MODEL 374, 375, 940, 942, 943, 944, 958 except CODE (MZ4) Turbobrake
W49.10-1024-11
Shown on model 944
1 Front muffler with exhaust pipe and exhaust flex pipe
2 Clip
3 Retaining strap
4 Heat shield
5 Clip
W14.15-1053-11
Shown on model 944
6 Compressed-air line
7 Engine brake cylinder
8 Engine brake flap connection
W14.15-1111-11
8 Engine brake flap connection
9 Injection line (only for code (MS4) BlueTec 4 or for code (MS5) BlueTec 5)
10 Injection nozzle (only for code (MS4) BlueTec 4 or for code (MS5) BlueTec 5)
| Remove/install | ||
| Notes on self-locking nuts and bolts | ||
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 tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut. | |
2 | Tilt cab | Installation: Only tilt cab back after leak test has been conducted. | |
| Notes on tilting the cab | ||
Danger! | Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices | No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards. Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground. Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers. | |
3 | Disconnect ground lead from battery | ||
| Notes on battery | ||
4 | Remove soundproofing on frame above on the right | ||
5 | Remove heat shield (4) on turbocharger and engine brake flap fitting (8) | | |
6 | Remove tensioning strap (3) | ||
7 | Take off clamp (2) to rear lifting eye | ||
8 | Remove clamp (5) on front muffler with exhaust pipe and exhaust flex pipe (1); push front muffler with exhaust pipe and exhaust flex pipe (1) to the rear and tire up | ||
9 | Remove compressed-air line (6) on engine brake cylinder (7) | ||
10 | Remove injection line (9) for exhaust aftertreatment system | Only for vehicles with code (MS4) BlueTec 4 or with code (MS5) BlueTec 5. | |
11 | Remove engine brake flap fitting (8) on turbocharger | Seal bore on turbocharger with a cap. | |
| |||
12 | Remove injection nozzle (10) for exhaust aftertreatment system on engine brake flap fitting (8) | Only for vehicles with code (MS4) BlueTec 4 or with code (MS5) BlueTec 5, if the engine brake flap fitting (8) was repaired or replaced. | |
13 | Install in the reverse order | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
14 | Start engine and carry out engine test run, check engine brake flap fitting (8) for leaks | ||
15 | Synchronizing time between tachograph disc and display |
Turbocharger
Number | Designation | Engine | ||
BA09.40-N-1005-01M | Bolt, heat shield to turbocharger and engine brake flap fitting | Nm | 20 | |
Engine brake