AR13.22-W-1302B | Removing/installing poly-V-belt of fan | 2.2.09 |
ENGINE 541.9 in MODEL 950, 952, 953, 954 with CODE (ML3) High-speed fan drive with belt drive
ENGINE 542.9 in MODEL 950, 952, 954 with CODE (ML3) High-speed fan drive with belt drive
W13.22-1014-12
1 Poly-V-belt tensioning device fan
2 Coolant pump belt pulley
3 Belt pulley fan drive
4 Poly-V-belt fan
5 Fan with viscous fan clutch
6 Charge air hose (red)
Modification notes
15.3.05 | Detach coolant expansion tank on radiator and place aside - added. | Step 3 | |
Attach coolant expansion tank to radiator - added. | Step 19 |
| 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 soundproofing on the right side of the engine | ||
3 | Remove coolant expansion tank on radiator on and place aside | Do not disconnect coolant lines. | |
4 | Remove the charge air hose (6) | ||
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. | |
5 | Swivel tensioning pulley of poly-V-belt tensioning device fan (1) to the top and hold. | ||
6 | Remove poly-V-belt of fan (4) from the coolant pump belt pulley (2) | ||
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. | |
7 | Swivel back poly-V-belt tensioning device of fan (1) | ||
8 | Remove soundproofing below the radiator. | ||
9 | Detach fan with viscous fan clutch (5) at the belt pulley fan drive (3) | Block the belt pulley fan drive (3) with the corresponding tool. | |
10 | Remove poly-V-belt of fan (4) from the belt pulley fan drive (3) | Do not damage the poly-V-belt of the fan (4) when removing. | |
| Checking | ||
11 | Check belt pulleys and tensioning pulley for damage and smooth operation, replace if necessary | ||
12 | Inspect condition of poly-V-belt of fan (4), replace if necessary | ||
| Damage patterns for a poly-V-belt | ||
| Installing | ||
13 | Place poly-V-belt fan (4) onto the belt pulley fan drive (3) | ||
14 | Install fan with viscous fan clutch (5) at the belt pulley fan drive (3) | Block the belt pulley fan drive (3) with the corresponding tool. | |
| |||
15 | Install soundproofing below the radiator. | ||
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 poly-V-belt tensioning device fan (1) to the top and hold. | ||
17 | Place poly-V-belt fan (4) onto the coolant pump belt pulley (2) and once again swivel back the tensioning device | Ensure correct seating of poly-V-belt of fan (4). | |
18 | Install charge air hose (6) | | |
19 | Attach coolant expansion tank on the radiator | ||
20 | Attach soundproofing to right side of the engine | ||
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. | |
21 | Tilt cab back into driving position | ||
| Notes on tilting the cab |
Charge air pipe/charge air cooling
Number | Designation | Engine 541.9 | Engine 542.9 | ||
BA09.41-N-1006-01C | Clamp for charge air hose on charge air housing/charge air pipe and charge air cooler | Nm | 7.5 | 7.5 | |
Fan, fan clutch
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