But be sure it is dry and no water is inside that could freeze. It does seem to make sense to release the loads.
As long as you asked about tension...
Pre-bend is the issue here. The experts tell me that pulling a line taunt from the mast head to the gooseneck and measuring the distance from the line to the mast at the spreader point is key. They say 1 1/2" of pre-bend is standard for the Tiger.
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