| Working condition | Lateral clearance (mm) | Longitudinal clearance (mm) |
| Working condition 1 | 15 | 10 |
| Working condition 2 | 10 | 10 |
| Working condition 3 | 5 | 10 |
| Working condition 4 | 10 | 15 |
| Working condition 5 | 10 | 5 |