| 1. Check the profile pulleys and tensioning devices for damage and dirt, if necessary clean or replace. At the same time pay attention to the broken places of support and tensioning device wells on pulleys. |
| 2. V-ribbed belts with deposits of dirt between the ribs, weakened ribs, cracked, broken ribs and a fringe necessarily replace. |
| 3. Place the V-belt tensioning roller since, according to the sequence numbering in the |
| 4. Move the pointer to adjust the label (1). |
 | 5. Turn the tension nut (5) to the right until the pointer adjustment (13) coincides with the marking (2). |
| 6. Tighten the bolt (16) to a torque of 75 Nm |
| 7. Visually check up landing on the belt pulleys. |
| 8. Install the fan shroud ring, and turn the lock. |
