Pick-up by the master spreader (same procedure as for a standard box). Placement on the out-of-gauge cargo and simple locking by unlocking and relocking the spreader twistlocks. The twisting of the OHF's twistlocks is only possible if they are correctly aligned. All four safety pins have to be pushed in simultaneously. Clear optical indications of OHF twistlock position. All four TWLs rotate simultaneously and lock at a exactly 90?position. The spreader twistlocks activation angle is only 65? After having put down the cargo, the driver decides whether the OHF remains on the container or if the handling device takes it away.
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