20.5.7 Trunnion Lifting

Subject to observance of the following requirements, both eyebolts with link and collar eyebolts may be selected and used for trunnion lifting. (See Figure 20.5.7-1 )

  1. When an eyebolt with link is used as a trunnion with the load applied at 90° to the eyebolt axis, the SWL should not be more than 63% of the axial SWL marked on the eyebolt.

  2. When a collar eyebolt is used as a trunnion with the load applied at 90° to the eyebolt axis, the SWL should not be more than 25% of the axial SWL marked on the eyebolt. Care should be taken to ensure that the applied load is within ±5° of the plane of the eye of the eyebolt.

Figure 20.5.7-1 Trunnion lifting