AR13.25-W-3201A | Removing/installing poly-V-belt tensioning device for high-speed fan drive | 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
W13.25-1009-11
Shown on a removed fan and viscous fan clutch
1 Poly-V-belt tensioning device fan
2 Poly-V-belt fan
3 Belt pulley fan drive
4 Coolant pump belt pulley
Modification notes
| Removing/installing | ||
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 red charge air hose | | |
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 | Slacken poly-V-belt for fan (2) and take it off the belt pulley of the coolant pump (4). | Installation: Inspect condition of poly-V-belt fan (2), replace if necessary. | |
Observe poly-V-belt routing plan. | |||
| Damage patterns for a poly-V-belt | ||
6 | Detach poly-V-belt tensioning device of fan (1) at filter housing | Installation: Insert dowel pin at the poly-V-belt tensioning device of fan (1) in the hole of the oil filter housing. | |
| |||
7 | Install in reverse order |
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 | |
Belt tensioning device