5.2.2 Based on the weight added or subtracted on the boom, adjust the Spring Nut. Tighten
the nut clockwise if the weight increased. Loosen the nut counter-clockwise if the weight
decreased. When adjusting, all nuts should be turned at the same cycles, in order to avoid the
unevenly distributed loads. (Fig. 9)
Fig.9
For weight decread
Spring Nut
BLANCO
8
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