H Working conditions
H Working condition boom combination
| Arm length(m) | Intermediate arm | ||
|
| 6m | 12mA | 12mB |
| 24 | — | — | — |
| 30 | 1 | — | — |
| 36 | 2 | — | — |
| 42 | 1 | 1 | — |
| 48 | 2 | 1 | — |
| 54 | 1 | 1 | 1 |
| 60 | 2 | 1 | 1 |
| 66 | 1 | 1 | 2 |
| 72 | 2 | 1 | 2 |
| 78* | 1 | 1 | 3 |
| 84* | 2 | 1 | 3 |
Note: The 24m basic boom consists of the main boom lower section, 10.5m boom, and main and auxiliary connecting sections. *Indicates that when the boom length is 78m or 84m, a waist rope must be used, otherwise the boom may break.

H Working range diagram
