If there's still some clearance, slightly loosen the adjusting nut (for retraction of the boom).
如果还留有某些间隙，就稍微拧松调整螺母(对于起重臂缩回)。
2
If after adjusting the wrap nut still cannot meet clearance dimension value, the case shall then be fixed farrowed adjustment nut stent upward mention.
若调整握把螺母后仍达不到间隙尺度值，则应将固定拉线调整螺母的支架向上提一下。
3
When the required clearance reduction has been achieved, the pressure can be released and the hydraulic nut can be dismounted.