put a flat washer and then lock washers on them. There will be movement to the assembled area and the bolts my loosen a little. with locktight on the bolt/nut will hold the bolt/nut 'together', but the bracket area can still loosen from movement. Same thought when changing a tire, tighten to torque and then 25miles down the road re tighten.
Tighten these bolts (with lock washer) and after several usages, re tighten again.
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Brother Les
2013 Forest River Salem Hemisphere SBT312QBUD
2001 CrewCab F-250 7.3 PowerStroke Diesel
SuperChip, BTS transmission, 6.0 Trans Cooler
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