AR49.10-W-5530C | Remove/install exhaust pipe | 21.2.12 |
ENGINES 457.9 in MODEL 374, 958
ENGINES 457.9 in MODEL 375, 940, 942, 943, 944 except CODE (MS4) BlueTec 4
ENGINES 457.9 in MODEL 375, 940, 942, 943, 944 except CODE (MS5) BlueTec 5
W49.10-1047-09
Shown on model 944 with code (KH8) Muffler with side tailpipe pointing downwards
1 Clamp (only on vehicles without code (K68) Vertical muffler(s) behind cab)
2 Bracket (only on vehicles without code (K68) Vertical muffler(s) behind cab)
3 Exhaust pipe (only on vehicles without code (K68) Vertical muffler(s) behind cab)
10 Clamp (only on vehicles without code (K68) Vertical muffler(s) behind cab)
11 Muffler (only on vehicles without code (K68) Vertical muffler(s) behind cab)
4 Clip
5 Clip
6 Exhaust pipe with exhaust flex pipe and front muffler
7 Tensioning strap
8 Bracket
9 Clip
W49.10-1048-09
Only on vehicles with code (K68) Vertical muffler(s) behind cab
4 Clip
12 Central soundproofing
13 Exhaust pipe
14 Muffler
18 Clip
A Distance
15 Clip
16 Heat shield
17 Bracket
| Remove/install | ||
| Notes on self-locking nuts and bolts | ||
1 | Switch off ignition | ||
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. | |
2 | Disconnect ground lead from battery | ||
| Notes on battery | ||
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. | |
3 | Tilt cab | Installation: Only tilt cab back after leak test has been conducted. | |
| Notes on tilting the cab | ||
4 | Remove central soundproofing (12) above the engine and transmission | Only on vehicles with code (K68) Vertical muffler(s) behind cab | |
5 | Remove soundproofing from frame on the upper left and right | ||
6 | Detach clamp (9) at engine brake valve fitting | | |
7 | Detach tensioning strap (7) at bracket (8) | | |
8 | Take off clamp (5) to rear lifting eye | | |
9 | Loosen clamp (4) | | |
10.1 | Pull out exhaust pipe with exhaust flex pipe and front muffler (6) at the exhaust pipe (3) | Vehicles without code (K68) Vertical muffler(s) behind cab | |
Installation: Check exhaust flex pipe for damage, replace if required. | |||
| Assembly notes and installed dimensions for exhaust flex pipes | ||
10.2 | Pull out exhaust flex pipe at exhaust pipe (13) | Vehicles with code (K68) Vertical muffler(s) behind cab | |
| Assembly notes and installed dimensions for exhaust flex pipes | ||
11.1 | Detach clamp (1) at bracket (2) | Vehicles without code (K68) Vertical muffler(s) behind cab | |
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11.2 | Detach clamp (15) at bracket (17) | Vehicles with code (K68) Vertical muffler(s) behind cab | |
Installation: Align clamp (15) with heat shield (16). There must be a distance (A) of around 30 mm between the fender and the heat shield (16). | |||
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12.1 | Release clamp (10) and pull out exhaust pipe (3) at muffler (11) | Vehicles without code (K68) Vertical muffler(s) behind cab | |
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12.2 | Release clamp (18) and pull out exhaust pipe (13) at muffler (14) | Vehicles with code (K68) Vertical muffler(s) behind cab | |
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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 the engine and check the exhaust system for leaktightness, then turn off the engine | ||
15 | Synchronize the time of the record sheet admission | Only on vehicles with MTCO tachograph. |
Exhaust system
Number | Designation | Engine | ||
BA49.10-N-1001-01K | Bolt connecting clamps to front muffler, exhaust pipe, muffler and exhaust flex pipe | Nm | 50 | |
BA49.10-N-1002-01K | Bolt, front muffler clamp to engine brake flap fitting/brake module for turbobrake | Nm | 15 | |
BA49.10-N-1005-01K | Bolt connecting clamps to bracket | Nm | 50 | |
BA49.10-N-1006-01K | Bolt connecting tensioning strap to front muffler on bracket | Nm | 25 | |