Shown on engine 457.9 with fan removed |
1 | Poly-V belt for alternator |
2 | Tensioner pulley |
3 | Screw |
4 | Tensioning device |
W20.40-1065-06
Warning | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves. | |
| Remove/install | ||
1 | Detension the alternator poly-V belt (1) and remove it from the tensioner pulley (2). | ||
| Damage profiles for a poly-V belt | ||
Routing diagram | |||
Check alternator poly-V-belt (1) for wear and damage. | |||
If damage or wear is discernible, | |||
| |||
Replace alternator poly-V-belt (1). | |||
2 | Remove screw/bolt (3) from clamping device (4). | Bolt, clamping device to engine support | |
3 | Remove tensioning device (4). | Installation: First insert pins at reverse side of the tensioning device (4) into the mounting bores. | |
4 | Install in the reverse order. |