AR13.22-W-0003BB | Removing/installing the alternator poly-V-belt | 2.2.09 |
ENGINE 541.9 in MODEL 950, 952, 953, 954 with CODE (MZ5) Electromagnetic fan drive (Linnig clutch)
ENGINE 542.9 in MODEL 950, 952, 954 with CODE (MZ5) Electromagnetic fan drive (Linnig clutch)
W20.40-1052-09
Shown on removed fan
1 Radiator
2 Radiator mounting
3 Fan
4 Alternator poly-V-belt
9 Belt pulley (alternator)
10 Belt pulley on refrigerant compressor
Arrow: Spacer
5 Charge air hose (red)
6 Belt pulley (coolant pump)
7 Tensioning device
8 Belt pulley/vibration damper
| Removing | ||
Danger! | Risk of injury caused by being caught or pinched 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. | |
1 | Tilt cab | ||
| Notes on tilting the cab | ||
2 | Remove trim panel in front of radiator (1) | ||
3 | Remove soundproofing from the engine on the left and right | ||
4 | Detach coolant expansion tank on radiator (1) and place aside | Do not disconnect coolant lines. | |
5 | Detach oil dipstick guide tube and oil filler pipe at radiator (1) | ||
6 | Remove the charge air hose (5) | ||
7 | Unscrew bolts at the radiator mounting (2) on right and left and press radiator (1) to the front | Fix radiator (1) on right and left with spacers (arrow). | |
8 | Remove soundproofing below the radiator (1). | ||
Danger! | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under load | Only use approved tensioning devices; shield off hazard area if necessary. | |
9 | Swivel tensioning pulley of tensioning device (7) to the top and hold. | ||
10 | Remove alternator (4) poly-V-belt from belt pulley/vibration damper (8) and remove the belt pulley (6, 9) | On vehicles with code (H03) Air conditioning in front end, additionally on the belt pulley of the refrigerant compressor (10). | |
Danger! | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under load | Only use approved tensioning devices; shield off hazard area if necessary. | |
11 | Swivel back tensioning pulley of tensioning device (7) | ||
12 | Pull Alternator poly-V-belt (4) over the fan (3) and take out between fan (3) and radiator shroud toward bottom | Do not damage the poly-V-belt of the alternator (4) while removing it. | |
| Checking | ||
13 | Check belt pulleys and tensioning pulley for damage and smooth operation, replace if necessary | ||
14 | Check the condition of the poly-V-belt of the alternator (4), replace it if required. | ||
| Damage patterns for a poly-V-belt | ||
| Installing | ||
15 | Pull alternator (4) poly-V-belt over the fan (3) and lay on the belt pulley/vibration damper (8) and the belt pulley (6, 9) | On vehicles with code(H03) Air conditioning in front end, additionally on the belt pulley of the refrigerant compressor (10). | |
Observe poly-V-belt routing plan. | |||
Danger! | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under load | Only use approved tensioning devices; shield off hazard area if necessary. | |
16 | Swivel tensioning pulley of tensioning device (7) to the top and hold. | ||
17 | Fit Alternator poly-V-belt (4) onto the tensioning pulley of the tensioning device (7) and swivel back the tensioning device (7) again | Ensure the correct seating of the poly-V-belt of alternator (4). | |
18 | Install soundproofing below the radiator (1). | ||
19 | Push back radiator (1) and attach to radiator mounting (2) on right and left | ||
20 | Install charge air hose (5) | | |
21 | Attach oil dipstick guide tube and oil filler pipe at radiator (1) | ||
22 | Attach coolant expansion tank onto radiator (1) | ||
23 | Attach soundproofing to the engine on the left and right | ||
24 | Install trim panel in front of radiator (1) | ||
Danger! | Risk of injury caused by being caught or pinched 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. | |
25 | Tilt cab back into driving position | ||
| Notes on tilting the cab |
Charge air pipe/charge air cooling
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