8
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 distrib-
uted loads. (Fig. 9)
Fig.9
For weight decread
Spring Nut